diff --git a/pcsx2/gui/AppInit.cpp b/pcsx2/gui/AppInit.cpp
index 47f0b3da19..88727bea97 100644
--- a/pcsx2/gui/AppInit.cpp
+++ b/pcsx2/gui/AppInit.cpp
@@ -46,13 +46,13 @@ void Pcsx2App::DetectCpuAndUserMode()
 	x86caps.CountCores();
 	x86caps.SIMD_EstablishMXCSRmask();
 
-	if (!x86caps.hasStreamingSIMD2Extensions)
+	if (!x86caps.hasStreamingSIMD4Extensions)
 	{
-		// This code will probably never run if the binary was correctly compiled for SSE2
-		// SSE2 is required for any decent speed and is supported by more than decade old x86 CPUs
+		// This code will probably never run if the binary was correctly compiled for SSE4
+		// SSE4 is required for any decent speed and is supported by more than decade old x86 CPUs
 		throw Exception::HardwareDeficiency()
-			.SetDiagMsg(L"Critical Failure: SSE2 Extensions not available.")
-			.SetUserMsg(_("SSE2 extensions are not available.  PCSX2 requires a cpu that supports the SSE2 instruction set."));
+			.SetDiagMsg(L"Critical Failure: SSE4 Extensions not available.")
+			.SetUserMsg(_("SSE4 extensions are not available.  PCSX2 requires a cpu that supports the SSE4 instruction set."));
 	}
 #endif
 
diff --git a/pcsx2/gui/Panels/PluginSelectorPanel.cpp b/pcsx2/gui/Panels/PluginSelectorPanel.cpp
index 6ef3d431d4..ff8152caf4 100644
--- a/pcsx2/gui/Panels/PluginSelectorPanel.cpp
+++ b/pcsx2/gui/Panels/PluginSelectorPanel.cpp
@@ -684,7 +684,6 @@ void Panels::PluginSelectorPanel::OnEnumComplete( wxCommandEvent& evt )
 
 				int index_avx2 = -1;
 				int index_sse4 = -1;
-				int index_sse2 = -1;
 
 				for( int i = 0; i < count; i++ )
 				{
@@ -692,12 +691,10 @@ void Panels::PluginSelectorPanel::OnEnumComplete( wxCommandEvent& evt )
 					
 					if( x86caps.hasAVX2 && str.Contains("AVX2") ) index_avx2 = i;
 					if( x86caps.hasStreamingSIMD4Extensions && str.Contains("SSE4") ) index_sse4 = i;
-					if( str.Contains("SSE2") ) index_sse2 = i;
 				}
 
 				if( index_avx2 >= 0 ) m_ComponentBoxes->Get(pid).SetSelection( index_avx2 );
 				else if( index_sse4 >= 0 ) m_ComponentBoxes->Get(pid).SetSelection( index_sse4 );
-				else if( index_sse2 >= 0 ) m_ComponentBoxes->Get(pid).SetSelection( index_sse2 );
 				else m_ComponentBoxes->Get(pid).SetSelection( 0 );
 			}
 			else
diff --git a/pcsx2/x86/iMMI.cpp b/pcsx2/x86/iMMI.cpp
index 99a4c98fb3..4a18e828ab 100644
--- a/pcsx2/x86/iMMI.cpp
+++ b/pcsx2/x86/iMMI.cpp
@@ -215,17 +215,9 @@ void recPMTHL()
 
 	int info = eeRecompileCodeXMM( XMMINFO_READS|XMMINFO_READLO|XMMINFO_READHI|XMMINFO_WRITELO|XMMINFO_WRITEHI );
 
-	if ( x86caps.hasStreamingSIMD4Extensions ) {
-		xBLEND.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_S), 0x5);
-		xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_S), 0xdd);
-		xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_HI), 0x72);
-	}
-	else {
-		xSHUF.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_S), 0x8d);
-		xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_S), 0xdd);
-		xSHUF.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_LO), 0x72);
-		xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_HI), 0x72);
-	}
+	xBLEND.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_S), 0x5);
+	xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_S), 0xdd);
+	xSHUF.PS(xRegisterSSE(EEREC_HI), xRegisterSSE(EEREC_HI), 0x72);
 
 	_clearNeededXMMregs();
 }
@@ -400,47 +392,12 @@ void recPMAXW()
 	EE::Profiler.EmitOp(eeOpcode::PMAXW);
 
 	int info = eeRecompileCodeXMM( XMMINFO_READS|XMMINFO_READT|XMMINFO_WRITED );
-	if ( x86caps.hasStreamingSIMD4Extensions ) {
-		if( EEREC_S == EEREC_T ) xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		else if( EEREC_D == EEREC_S ) xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		else if ( EEREC_D == EEREC_T ) xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		else {
-			xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-			xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		}
-	}
+	if( EEREC_S == EEREC_T ) xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
+	else if( EEREC_D == EEREC_S ) xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
+	else if ( EEREC_D == EEREC_T ) xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
 	else {
-		int t0reg;
-
-		if( EEREC_S == EEREC_T ) {
-			xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		}
-		else {
-			t0reg = _allocTempXMMreg(XMMT_INT, -1);
-			xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_S));
-			xPCMP.GTD(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-
-			if( EEREC_D == EEREC_S ) {
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-			}
-			else if( EEREC_D == EEREC_T ) {
-				int t1reg = _allocTempXMMreg(XMMT_INT, -1);
-				xMOVDQA(xRegisterSSE(t1reg), xRegisterSSE(EEREC_T));
-				xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(t1reg));
-				_freeXMMreg(t1reg);
-			}
-			else {
-				xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-			}
-
-			xPOR(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-			_freeXMMreg(t0reg);
-		}
+		xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
+		xPMAX.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
 	}
 	_clearNeededXMMregs();
 }
@@ -1173,18 +1130,7 @@ void recPABSW() //needs clamping
 	xPCMP.EQD(xRegisterSSE(t0reg), xRegisterSSE(t0reg));
 	xPSLL.D(xRegisterSSE(t0reg), 31);
 	xPCMP.EQD(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T)); //0xffffffff if equal to 0x80000000
-	if( x86caps.hasSupplementalStreamingSIMD3Extensions ) {
-		xPABS.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T)); //0x80000000 -> 0x80000000
-	}
-	else {
-		int t1reg = _allocTempXMMreg(XMMT_INT, -1);
-		xMOVDQA(xRegisterSSE(t1reg), xRegisterSSE(EEREC_T));
-		xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		xPSRA.D(xRegisterSSE(t1reg), 31);
-		xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-		xPSUB.D(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg)); //0x80000000 -> 0x80000000
-		_freeXMMreg(t1reg);
-	}
+	xPABS.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T)); //0x80000000 -> 0x80000000
 	xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg)); //0x80000000 -> 0x7fffffff
 	_freeXMMreg(t0reg);
 	_clearNeededXMMregs();
@@ -1203,18 +1149,7 @@ void recPABSH()
 	xPCMP.EQW(xRegisterSSE(t0reg), xRegisterSSE(t0reg));
 	xPSLL.W(xRegisterSSE(t0reg), 15);
 	xPCMP.EQW(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T)); //0xffff if equal to 0x8000
-	if( x86caps.hasSupplementalStreamingSIMD3Extensions ) {
-		xPABS.W(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T)); //0x8000 -> 0x8000
-	}
-	else {
-		int t1reg = _allocTempXMMreg(XMMT_INT, -1);
-		xMOVDQA(xRegisterSSE(t1reg), xRegisterSSE(EEREC_T));
-		xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		xPSRA.W(xRegisterSSE(t1reg), 15);
-		xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-		xPSUB.W(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg)); //0x8000 -> 0x8000
-		_freeXMMreg(t1reg);
-	}
+	xPABS.W(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T)); //0x8000 -> 0x8000
 	xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg)); //0x8000 -> 0x7fff
 	_freeXMMreg(t0reg);
 	_clearNeededXMMregs();
@@ -1228,47 +1163,12 @@ void recPMINW()
 	EE::Profiler.EmitOp(eeOpcode::PMINW);
 
 	int info = eeRecompileCodeXMM( XMMINFO_READS|XMMINFO_READT|XMMINFO_WRITED );
-	if ( x86caps.hasStreamingSIMD4Extensions ) {
-		if( EEREC_S == EEREC_T ) xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		else if( EEREC_D == EEREC_S ) xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		else if ( EEREC_D == EEREC_T ) xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		else {
-			xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-			xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
-		}
-	}
+	if( EEREC_S == EEREC_T ) xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
+	else if( EEREC_D == EEREC_S ) xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
+	else if ( EEREC_D == EEREC_T ) xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
 	else {
-		int t0reg;
-
-		if( EEREC_S == EEREC_T ) {
-			xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-		}
-		else {
-			t0reg = _allocTempXMMreg(XMMT_INT, -1);
-			xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-			xPCMP.GTD(xRegisterSSE(t0reg), xRegisterSSE(EEREC_S));
-
-			if( EEREC_D == EEREC_S ) {
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-			}
-			else if( EEREC_D == EEREC_T ) {
-				int t1reg = _allocTempXMMreg(XMMT_INT, -1);
-				xMOVDQA(xRegisterSSE(t1reg), xRegisterSSE(EEREC_T));
-				xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(t1reg));
-				_freeXMMreg(t1reg);
-			}
-			else {
-				xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
-				xPAND(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				xPANDN(xRegisterSSE(t0reg), xRegisterSSE(EEREC_T));
-			}
-
-			xPOR(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-			_freeXMMreg(t0reg);
-		}
+		xMOVDQA(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_S));
+		xPMIN.SD(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T));
 	}
 	_clearNeededXMMregs();
 }
@@ -1718,12 +1618,6 @@ void recPMADDW()
 {
 	EE::Profiler.EmitOp(eeOpcode::PMADDW);
 
-	if( !x86caps.hasStreamingSIMD4Extensions ) {
-		_deleteEEreg(_Rd_, 0);
-		recCall(Interp::PMADDW);
-		return;
-	}
-
 	int info = eeRecompileCodeXMM( (((_Rs_)&&(_Rt_))?XMMINFO_READS:0)|(((_Rs_)&&(_Rt_))?XMMINFO_READT:0)|(_Rd_?XMMINFO_WRITED:0)|XMMINFO_WRITELO|XMMINFO_WRITEHI|XMMINFO_READLO|XMMINFO_READHI );
 	xSHUF.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_HI), 0x88);
 	xPSHUF.D(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_LO), 0xd8); // LO = {LO[0], HI[0], LO[2], HI[2]}
@@ -1775,18 +1669,8 @@ void recPSLLVW()
 			xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 		else {
-			if ( x86caps.hasStreamingSIMD4Extensions ) {
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
-			}
-			else {
-				int t0reg = _allocTempXMMreg(XMMT_INT, -1);
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_D));
-				xPSRA.D(xRegisterSSE(t0reg), 31);
-				xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				_freeXMMreg(t0reg);
-			}
+			xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
+			xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 	}
 	else if( _Rt_ == 0 ) {
@@ -1813,16 +1697,8 @@ void recPSLLVW()
 		xPSLL.D(xRegisterSSE(t1reg), xRegisterSSE(t0reg));
 
 		// merge & sign extend
-		if ( x86caps.hasStreamingSIMD4Extensions ) {
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-			xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
-		}
-		else {
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-			xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_D));
-			xPSRA.D(xRegisterSSE(t0reg), 31); // get the signs
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-		}
+		xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
+		xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 
 		_freeXMMreg(t0reg);
 		_freeXMMreg(t1reg);
@@ -1843,18 +1719,8 @@ void recPSRLVW()
 			xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 		else {
-			if ( x86caps.hasStreamingSIMD4Extensions ) {
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
-			}
-			else {
-				int t0reg = _allocTempXMMreg(XMMT_INT, -1);
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_D));
-				xPSRA.D(xRegisterSSE(t0reg), 31);
-				xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				_freeXMMreg(t0reg);
-			}
+			xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
+			xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 	}
 	else if( _Rt_ == 0 ) {
@@ -1881,16 +1747,8 @@ void recPSRLVW()
 		xPSRL.D(xRegisterSSE(t1reg), xRegisterSSE(t0reg));
 
 		// merge & sign extend
-		if ( x86caps.hasStreamingSIMD4Extensions ) {
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-			xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
-		}
-		else {
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
-			xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_D));
-			xPSRA.D(xRegisterSSE(t0reg), 31); // get the signs
-			xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-		}
+		xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t1reg));
+		xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 
 		_freeXMMreg(t0reg);
 		_freeXMMreg(t1reg);
@@ -1903,11 +1761,6 @@ void recPMSUBW()
 {
 	EE::Profiler.EmitOp(eeOpcode::PMSUBW);
 
-	if( !x86caps.hasStreamingSIMD4Extensions ) {
-		_deleteEEreg(_Rd_, 0);
-		recCall(Interp::PMSUBW);
-		return;
-	}
 	int info = eeRecompileCodeXMM( (((_Rs_)&&(_Rt_))?XMMINFO_READS:0)|(((_Rs_)&&(_Rt_))?XMMINFO_READT:0)|(_Rd_?XMMINFO_WRITED:0)|XMMINFO_WRITELO|XMMINFO_WRITEHI|XMMINFO_READLO|XMMINFO_READHI );
 	xSHUF.PS(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_HI), 0x88);
 	xPSHUF.D(xRegisterSSE(EEREC_LO), xRegisterSSE(EEREC_LO), 0xd8); // LO = {LO[0], HI[0], LO[2], HI[2]}
@@ -1957,11 +1810,6 @@ void recPMULTW()
 {
 	EE::Profiler.EmitOp(eeOpcode::PMULTW);
 
-	if( !x86caps.hasStreamingSIMD4Extensions ) {
-		_deleteEEreg(_Rd_, 0);
-		recCall(Interp::PMULTW);
-		return;
-	}
 	int info = eeRecompileCodeXMM( (((_Rs_)&&(_Rt_))?XMMINFO_READS:0)|(((_Rs_)&&(_Rt_))?XMMINFO_READT:0)|(_Rd_?XMMINFO_WRITED:0)|XMMINFO_WRITELO|XMMINFO_WRITEHI );
 	if( !_Rs_ || !_Rt_ ) {
 		if( _Rd_ ) xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
@@ -2455,18 +2303,8 @@ void recPSRAVW()
 			xPXOR(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 		else {
-			if ( x86caps.hasStreamingSIMD4Extensions ) {
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
-			}
-			else {
-				int t0reg = _allocTempXMMreg(XMMT_INT, -1);
-				xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
-				xMOVDQA(xRegisterSSE(t0reg), xRegisterSSE(EEREC_D));
-				xPSRA.D(xRegisterSSE(t0reg), 31);
-				xPUNPCK.LDQ(xRegisterSSE(EEREC_D), xRegisterSSE(t0reg));
-				_freeXMMreg(t0reg);
-			}
+			xPSHUF.D(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_T), 0x88);
+			xPMOVSX.DQ(xRegisterSSE(EEREC_D), xRegisterSSE(EEREC_D));
 		}
 	}
 	else if( _Rt_ == 0 ) {
diff --git a/pcsx2/x86/ix86-32/iR5900-32.cpp b/pcsx2/x86/ix86-32/iR5900-32.cpp
index 355491f2ee..ba26361e04 100644
--- a/pcsx2/x86/ix86-32/iR5900-32.cpp
+++ b/pcsx2/x86/ix86-32/iR5900-32.cpp
@@ -508,8 +508,8 @@ static void recReserve()
 {
 	// Hardware Requirements Check...
 
-	if ( !x86caps.hasStreamingSIMD2Extensions )
-		recThrowHardwareDeficiency( L"SSE2" );
+	if ( !x86caps.hasStreamingSIMD4Extensions )
+		recThrowHardwareDeficiency( L"SSE4" );
 
 	recReserveCache();
 }
diff --git a/pcsx2/x86/microVU.cpp b/pcsx2/x86/microVU.cpp
index e2d9cee3e8..f5db622152 100644
--- a/pcsx2/x86/microVU.cpp
+++ b/pcsx2/x86/microVU.cpp
@@ -47,7 +47,7 @@ void mVUreserveCache(microVU& mVU) {
 // Only run this once per VU! ;)
 void mVUinit(microVU& mVU, uint vuIndex) {
 
-	if(!x86caps.hasStreamingSIMD2Extensions) mVUthrowHardwareDeficiency( L"SSE2", vuIndex );
+	if(!x86caps.hasStreamingSIMD4Extensions) mVUthrowHardwareDeficiency( L"SSE4", vuIndex );
 
 	memzero(mVU.prog);
 
diff --git a/pcsx2/x86/microVU_Alloc.inl b/pcsx2/x86/microVU_Alloc.inl
index fa65645b61..1634c34cf8 100644
--- a/pcsx2/x86/microVU_Alloc.inl
+++ b/pcsx2/x86/microVU_Alloc.inl
@@ -166,13 +166,7 @@ __fi void getQreg(const xmm& reg, int qInstance)
 
 __ri void writeQreg(const xmm& reg, int qInstance)
 {
-	if (qInstance) {
-		if (!x86caps.hasStreamingSIMD4Extensions) {
-			xPSHUF.D(xmmPQ, xmmPQ, 0xe1);
-			xMOVSS(xmmPQ, reg);
-			xPSHUF.D(xmmPQ, xmmPQ, 0xe1);
-		}
-		else xINSERTPS(xmmPQ, reg, _MM_MK_INSERTPS_NDX(0, 1, 0));
-	}
+	if (qInstance)
+		xINSERTPS(xmmPQ, reg, _MM_MK_INSERTPS_NDX(0, 1, 0));
 	else xMOVSS(xmmPQ, reg);
 }
diff --git a/pcsx2/x86/microVU_Clamp.inl b/pcsx2/x86/microVU_Clamp.inl
index e1ebef153b..5a145ed373 100644
--- a/pcsx2/x86/microVU_Clamp.inl
+++ b/pcsx2/x86/microVU_Clamp.inl
@@ -56,33 +56,10 @@ void mVUclamp1(const xmm& reg, const xmm& regT1, int xyzw, bool bClampE = 0) {
 // so we just use a temporary mem location for our backup for now... (non-sse4 version only)
 void mVUclamp2(microVU& mVU, const xmm& reg, const xmm& regT1in, int xyzw, bool bClampE = 0) {
 	if ((!clampE && CHECK_VU_SIGN_OVERFLOW) || (clampE && bClampE && CHECK_VU_SIGN_OVERFLOW)) {
-		if (x86caps.hasStreamingSIMD4Extensions) {
-			int i = (xyzw==1||xyzw==2||xyzw==4||xyzw==8) ? 0: 1;
-			xPMIN.SD(reg, ptr128[&sse4_maxvals[i][0]]);
-			xPMIN.UD(reg, ptr128[&sse4_minvals[i][0]]);
-			return;
-		}
-		//const xmm& regT1 = regT1b ? mVU.regAlloc->allocReg() : regT1in;
-		const xmm& regT1 = regT1in.IsEmpty() ? xmm((reg.Id + 1) % 8) : regT1in;
-		if (regT1 != regT1in) xMOVAPS(ptr128[mVU.xmmCTemp], regT1);
-		switch (xyzw) {
-			case 1: case 2: case 4: case 8:
-				xMOVAPS(regT1, reg);
-				xAND.PS(regT1, ptr128[mVUglob.signbit]);
-				xMIN.SS(reg,   ptr128[mVUglob.maxvals]);
-				xMAX.SS(reg,   ptr128[mVUglob.minvals]);
-				xOR.PS (reg,   regT1);
-				break;
-			default:
-				xMOVAPS(regT1, reg);
-				xAND.PS(regT1, ptr128[mVUglob.signbit]);
-				xMIN.PS(reg,   ptr128[mVUglob.maxvals]);
-				xMAX.PS(reg,   ptr128[mVUglob.minvals]);
-				xOR.PS (reg,   regT1);
-				break;
-		}
-		//if (regT1 != regT1in) mVU.regAlloc->clearNeeded(regT1);
-		if (regT1 != regT1in) xMOVAPS(regT1, ptr128[mVU.xmmCTemp]);
+		int i = (xyzw==1||xyzw==2||xyzw==4||xyzw==8) ? 0: 1;
+		xPMIN.SD(reg, ptr128[&sse4_maxvals[i][0]]);
+		xPMIN.UD(reg, ptr128[&sse4_minvals[i][0]]);
+		return;
 	}
 	else mVUclamp1(reg, regT1in, xyzw, bClampE);
 }
diff --git a/pcsx2/x86/microVU_Lower.inl b/pcsx2/x86/microVU_Lower.inl
index 6a761f1b44..850ddc9a3f 100644
--- a/pcsx2/x86/microVU_Lower.inl
+++ b/pcsx2/x86/microVU_Lower.inl
@@ -28,11 +28,7 @@ static __fi void testZero(const xmm& xmmReg, const xmm& xmmTemp, const x32& gprT
 {
 	xXOR.PS(xmmTemp, xmmTemp);
 	xCMPEQ.SS(xmmTemp, xmmReg);
-	if (!x86caps.hasStreamingSIMD4Extensions) {
-		xMOVMSKPS(gprTemp, xmmTemp);
-		xTEST(gprTemp, 1);
-	}
-	else xPTEST(xmmTemp, xmmTemp);
+	xPTEST(xmmTemp, xmmTemp);
 }
 
 // Test if Vector is Negative (Set Flags and Makes Positive)
@@ -298,18 +294,8 @@ mVUop(mVU_EEXP) {
 
 // sumXYZ(): PQ.x = x ^ 2 + y ^ 2 + z ^ 2
 static __fi void mVU_sumXYZ(mV, const xmm& PQ, const xmm& Fs) {
-	if (x86caps.hasStreamingSIMD4Extensions) {
-		xDP.PS(Fs, Fs, 0x71);
-		xMOVSS(PQ, Fs);
-	}
-	else {
-		SSE_MULPS(mVU, Fs, Fs);	   // wzyx ^ 2
-		xMOVSS		(PQ, Fs);		  // x ^ 2
-		xPSHUF.D	  (Fs, Fs, 0xe1); // wzyx -> wzxy
-		SSE_ADDSS(mVU, PQ, Fs);	   // x ^ 2 + y ^ 2
-		xPSHUF.D	  (Fs, Fs, 0xd2); // wzxy -> wxyz
-		SSE_ADDSS(mVU, PQ, Fs);	   // x ^ 2 + y ^ 2 + z ^ 2
-	}
+	xDP.PS(Fs, Fs, 0x71);
+	xMOVSS(PQ, Fs);
 }
 
 mVUop(mVU_ELENG) {
diff --git a/pcsx2/x86/microVU_Misc.inl b/pcsx2/x86/microVU_Misc.inl
index 98a945131c..47c4a3b5e2 100644
--- a/pcsx2/x86/microVU_Misc.inl
+++ b/pcsx2/x86/microVU_Misc.inl
@@ -59,72 +59,29 @@ void mVUsaveReg(const xmm& reg, xAddressVoid ptr, int xyzw, bool modXYZW)
 	return;*/
 
 	switch ( xyzw ) {
-		case 5:		if (x86caps.hasStreamingSIMD4Extensions) {
-						xEXTRACTPS(ptr32[ptr+4], reg, 1);
-						xEXTRACTPS(ptr32[ptr+12], reg, 3);
-					}
-					else {
-						xPSHUF.D(reg, reg, 0xe1); //WZXY
-						xMOVSS(ptr32[ptr+4], reg);
-						xPSHUF.D(reg, reg, 0xff); //WWWW
-						xMOVSS(ptr32[ptr+12], reg);
-					}
+		case 5:		xEXTRACTPS(ptr32[ptr+4], reg, 1);
+					xEXTRACTPS(ptr32[ptr+12], reg, 3);
 					break; // YW
 		case 6:		xPSHUF.D(reg, reg, 0xc9);
 					xMOVL.PS(ptr64[ptr+4], reg);
 					break; // YZ
-		case 7:		if (x86caps.hasStreamingSIMD4Extensions) {
-						xMOVH.PS(ptr64[ptr+8], reg);
-						xEXTRACTPS(ptr32[ptr+4],  reg, 1);
-					}
-					else {
-						xPSHUF.D(reg, reg, 0x93); //ZYXW
-						xMOVH.PS(ptr64[ptr+4], reg);
-						xMOVSS(ptr32[ptr+12], reg);
-					}
+		case 7:		xMOVH.PS(ptr64[ptr+8], reg);
+					xEXTRACTPS(ptr32[ptr+4],  reg, 1);
 					break; // YZW
-		case 9:		if (x86caps.hasStreamingSIMD4Extensions) {
-						xMOVSS(ptr32[ptr], reg);
-						xEXTRACTPS(ptr32[ptr+12], reg, 3);
-					}
-					else {
-						xMOVSS(ptr32[ptr], reg);
-						xPSHUF.D(reg, reg, 0xff); //WWWW
-						xMOVSS(ptr32[ptr+12], reg);
-					}
+		case 9:		xMOVSS(ptr32[ptr], reg);
+					xEXTRACTPS(ptr32[ptr+12], reg, 3);
 					break; // XW
-		case 10:	if (x86caps.hasStreamingSIMD4Extensions) {
-						xMOVSS(ptr32[ptr], reg);
-						xEXTRACTPS(ptr32[ptr+8], reg, 2);
-					}
-					else {
-						xMOVSS(ptr32[ptr], reg);
-						xMOVHL.PS(reg, reg);
-						xMOVSS(ptr32[ptr+8], reg);
-					}
+		case 10:	xMOVSS(ptr32[ptr], reg);
+					xEXTRACTPS(ptr32[ptr+8], reg, 2);
 					break; //XZ
 		case 11:	xMOVSS(ptr32[ptr], reg);
 					xMOVH.PS(ptr64[ptr+8], reg);
 					break; //XZW
-		case 13:	if (x86caps.hasStreamingSIMD4Extensions) {
-						xMOVL.PS(ptr64[ptr], reg);
-						xEXTRACTPS(ptr32[ptr+12], reg, 3);
-					}
-					else {
-						xPSHUF.D(reg, reg, 0x4b); //YXZW				
-						xMOVH.PS(ptr64[ptr], reg);
-						xMOVSS(ptr32[ptr+12], reg);
-					}
+		case 13:	xMOVL.PS(ptr64[ptr], reg);
+					xEXTRACTPS(ptr32[ptr+12], reg, 3);
 					break; // XYW
-		case 14:	if (x86caps.hasStreamingSIMD4Extensions) {
-						xMOVL.PS(ptr64[ptr], reg);
-						xEXTRACTPS(ptr32[ptr+8], reg, 2);
-					}
-					else {
-						xMOVL.PS(ptr64[ptr], reg);
-						xMOVHL.PS(reg, reg);
-						xMOVSS(ptr32[ptr+8], reg);
-					}
+		case 14:	xMOVL.PS(ptr64[ptr], reg);
+					xEXTRACTPS(ptr32[ptr+8], reg, 2);
 					break; // XYZ
 		case 4:		if (!modXYZW) mVUunpack_xyzw(reg, reg, 1);
 					xMOVSS(ptr32[ptr+4], reg);		
@@ -146,8 +103,14 @@ void mVUsaveReg(const xmm& reg, xAddressVoid ptr, int xyzw, bool modXYZW)
 void mVUmergeRegs(const xmm& dest, const xmm& src, int xyzw, bool modXYZW)
 {
 	xyzw &= 0xf;
-	if ( (dest != src) && (xyzw != 0) ) {
-		if (x86caps.hasStreamingSIMD4Extensions && (xyzw != 0x8) && (xyzw != 0xf)) {
+	if ( (dest != src) && (xyzw != 0) ) 
+	{
+		if (xyzw == 0x8)
+			xMOVSS(dest, src);
+		else if (xyzw == 0xf)
+			xMOVAPS(dest, src);
+		else
+		{
 			if (modXYZW) {
 				if		(xyzw == 1) { xINSERTPS(dest, src, _MM_MK_INSERTPS_NDX(0, 3, 0)); return; }
 				else if (xyzw == 2) { xINSERTPS(dest, src, _MM_MK_INSERTPS_NDX(0, 2, 0)); return; }
@@ -156,56 +119,6 @@ void mVUmergeRegs(const xmm& dest, const xmm& src, int xyzw, bool modXYZW)
 			xyzw = ((xyzw & 1) << 3) | ((xyzw & 2) << 1) | ((xyzw & 4) >> 1) | ((xyzw & 8) >> 3);
 			xBLEND.PS(dest, src, xyzw);
 		}
-		else {
-			switch (xyzw) {
-				case 1:  if (modXYZW) mVUunpack_xyzw(src, src, 0);
-						 xMOVHL.PS(src, dest);		 // src = Sw Sz Dw Dz
-						 xSHUF.PS(dest, src, 0xc4); // 11 00 01 00
-						 break;
-				case 2:  if (modXYZW) mVUunpack_xyzw(src, src, 0);
-						 xMOVHL.PS(src, dest);
-						 xSHUF.PS(dest, src, 0x64);
-						 break;
-				case 3:	 xSHUF.PS(dest, src, 0xe4);
-						 break;
-				case 4:	 if (modXYZW) mVUunpack_xyzw(src, src, 0);
-						 xMOVSS(src, dest);
-						 xMOVSD(dest, src);
-						 break;
-				case 5:	 xSHUF.PS(dest, src, 0xd8);
-						 xPSHUF.D(dest, dest, 0xd8);
-						 break;
-				case 6:	 xSHUF.PS(dest, src, 0x9c);
-						 xPSHUF.D(dest, dest, 0x78);
-						 break;
-				case 7:	 xMOVSS(src, dest);
-						 xMOVAPS(dest, src);
-						 break;
-				case 8:	 xMOVSS(dest, src);
-						 break;
-				case 9:	 xSHUF.PS(dest, src, 0xc9);
-						 xPSHUF.D(dest, dest, 0xd2);
-						 break;
-				case 10: xSHUF.PS(dest, src, 0x8d);
-						 xPSHUF.D(dest, dest, 0x72);
-						 break;
-				case 11: xMOVSS(dest, src);
-						 xSHUF.PS(dest, src, 0xe4);
-						 break;
-				case 12: xMOVSD(dest, src);
-						 break;
-				case 13: xMOVHL.PS(dest, src);
-						 xSHUF.PS(src, dest, 0x64);
-						 xMOVAPS(dest, src);
-						 break;
-				case 14: xMOVHL.PS(dest, src);
-						 xSHUF.PS(src, dest, 0xc4);
-						 xMOVAPS(dest, src);
-						 break;
-				default: xMOVAPS(dest, src);
-						 break;
-			}
-		}
 	} 
 }
 
diff --git a/pcsx2/x86/newVif_UnpackSSE.cpp b/pcsx2/x86/newVif_UnpackSSE.cpp
index fad4a67ce6..d59c52328d 100644
--- a/pcsx2/x86/newVif_UnpackSSE.cpp
+++ b/pcsx2/x86/newVif_UnpackSSE.cpp
@@ -35,23 +35,7 @@ static RecompiledCodeReserve* nVifUpkExec = NULL;
 
 // Merges xmm vectors without modifying source reg
 void mergeVectors(xRegisterSSE dest, xRegisterSSE src, xRegisterSSE temp, int xyzw) {
-	if (x86caps.hasStreamingSIMD4Extensions  || (xyzw==15)
-		|| (xyzw==12) || (xyzw==11) || (xyzw==8) || (xyzw==3)) {
-			mVUmergeRegs(dest, src, xyzw);
-	}
-	else
-	{
-		if(temp != src) xMOVAPS(temp, src); //Sometimes we don't care if the source is modified and is temp reg.
-		if(dest == temp)
-		{
-			//VIF can sent the temp directory as the source and destination, just need to clear the ones we dont want in which case.
-			if(!(xyzw & 0x1)) xAND.PS( dest, ptr128[SSEXYZWMask[0]]);
-			if(!(xyzw & 0x2)) xAND.PS( dest, ptr128[SSEXYZWMask[1]]);
-			if(!(xyzw & 0x4)) xAND.PS( dest, ptr128[SSEXYZWMask[2]]);
-			if(!(xyzw & 0x8)) xAND.PS( dest, ptr128[SSEXYZWMask[3]]);
-		}
-		else mVUmergeRegs(dest, temp, xyzw);
-	}
+	mVUmergeRegs(dest, src, xyzw);
 }
 
 // =====================================================================================================
@@ -113,16 +97,6 @@ void VifUnpackSSE_Base::xUPK_S_32() const {
 
 void VifUnpackSSE_Base::xUPK_S_16() const {
 
-	if (!x86caps.hasStreamingSIMD4Extensions)
-	{
-			xMOV16     (workReg, ptr32[srcIndirect]);
-			xPUNPCK.LWD(workReg, workReg);
-			xShiftR    (workReg, 16);
-
-			xPSHUF.D   (destReg, workReg, _v0);
-			return;
-	}
-
 	switch(UnpkLoopIteration)
 	{
 		case 0:
@@ -144,17 +118,6 @@ void VifUnpackSSE_Base::xUPK_S_16() const {
 
 void VifUnpackSSE_Base::xUPK_S_8() const {
 
-	if (!x86caps.hasStreamingSIMD4Extensions)
-	{
-		xMOV8      (workReg, ptr32[srcIndirect]);
-		xPUNPCK.LBW(workReg, workReg);
-		xPUNPCK.LWD(workReg, workReg);
-		xShiftR    (workReg, 24);
-
-		xPSHUF.D   (destReg, workReg, _v0);
-		return;
-	}
-
 	switch(UnpkLoopIteration)
 	{
 		case 0:
@@ -200,18 +163,8 @@ void VifUnpackSSE_Base::xUPK_V2_16() const {
 
 	if(UnpkLoopIteration == 0)
     {
-            if (x86caps.hasStreamingSIMD4Extensions)
-            {
-                    xPMOVXX16  (workReg);
-
-            }
-            else
-            {
-                    xMOV64     (workReg, ptr64[srcIndirect]);
-                    xPUNPCK.LWD(workReg, workReg);
-                    xShiftR    (workReg, 16);
-            }
-            xPSHUF.D   (destReg, workReg, 0x44); //v1v0v1v0
+			xPMOVXX16  (workReg);
+			xPSHUF.D   (destReg, workReg, 0x44); //v1v0v1v0
     }
     else
     {
@@ -223,19 +176,9 @@ void VifUnpackSSE_Base::xUPK_V2_16() const {
 
 void VifUnpackSSE_Base::xUPK_V2_8() const {
 
-	if(UnpkLoopIteration == 0 || !x86caps.hasStreamingSIMD4Extensions)
+	if(UnpkLoopIteration == 0)
 	{
-		if (x86caps.hasStreamingSIMD4Extensions)
-		{
-			xPMOVXX8   (workReg);
-		}
-		else
-		{
-			xMOV16     (workReg, ptr32[srcIndirect]);
-			xPUNPCK.LBW(workReg, workReg);
-			xPUNPCK.LWD(workReg, workReg);
-			xShiftR    (workReg, 24);
-		}
+		xPMOVXX8   (workReg);
 		xPSHUF.D   (destReg, workReg, 0x44); //v1v0v1v0
 	}
 	else
@@ -254,16 +197,7 @@ void VifUnpackSSE_Base::xUPK_V3_32() const {
 
 void VifUnpackSSE_Base::xUPK_V3_16() const {
 
-	if (x86caps.hasStreamingSIMD4Extensions)
-	{
-		xPMOVXX16  (destReg);
-	}
-	else
-	{
-		xMOV64     (destReg, ptr32[srcIndirect]);
-		xPUNPCK.LWD(destReg, destReg);
-		xShiftR    (destReg, 16);
-	}
+	xPMOVXX16  (destReg);
 
 	//With V3-16, it takes the first vector from the next position as the W vector
 	//However - IF the end of this iteration of the unpack falls on a quadword boundary, W becomes 0
@@ -278,17 +212,7 @@ void VifUnpackSSE_Base::xUPK_V3_16() const {
 
 void VifUnpackSSE_Base::xUPK_V3_8() const {
 
-	if (x86caps.hasStreamingSIMD4Extensions)
-	{
-		xPMOVXX8   (destReg);
-	}
-	else
-	{
-		xMOV32     (destReg, ptr32[srcIndirect]);
-		xPUNPCK.LBW(destReg, destReg);
-		xPUNPCK.LWD(destReg, destReg);
-		xShiftR    (destReg, 24);
-	}
+	xPMOVXX8   (destReg);
 	if (UnpkLoopIteration != IsAligned)
 		xAND.PS(destReg, ptr128[SSEXYZWMask[0]]);
 }
@@ -300,31 +224,12 @@ void VifUnpackSSE_Base::xUPK_V4_32() const {
 
 void VifUnpackSSE_Base::xUPK_V4_16() const {
 
-	if (x86caps.hasStreamingSIMD4Extensions)
-	{
-		xPMOVXX16  (destReg);
-	}
-	else
-	{
-		xMOV64     (destReg, ptr32[srcIndirect]);
-		xPUNPCK.LWD(destReg, destReg);
-		xShiftR    (destReg, 16);
-	}
+	xPMOVXX16  (destReg);
 }
 
 void VifUnpackSSE_Base::xUPK_V4_8() const {
 
-	if (x86caps.hasStreamingSIMD4Extensions)
-	{
-		xPMOVXX8   (destReg);
-	}
-	else
-	{
-		xMOV32     (destReg, ptr32[srcIndirect]);
-		xPUNPCK.LBW(destReg, destReg);
-		xPUNPCK.LWD(destReg, destReg);
-		xShiftR    (destReg, 24);
-	}
+	xPMOVXX8   (destReg);
 }
 
 void VifUnpackSSE_Base::xUPK_V4_5() const {