diff --git a/BizHawk.Client.Common/movie/PlatformFrameRates.cs b/BizHawk.Client.Common/movie/PlatformFrameRates.cs
index de61493213..b57884bd9d 100644
--- a/BizHawk.Client.Common/movie/PlatformFrameRates.cs
+++ b/BizHawk.Client.Common/movie/PlatformFrameRates.cs
@@ -13,25 +13,25 @@ namespace BizHawk.Client.Common
 				{ "NES_PAL", 50.006977968268290849 },
 				{ "FDS", 60.098813897440515532 },
 				{ "FDS_PAL", 50.006977968268290849 },
-				{ "SNES", (double)21477272 / (4 * 341 * 262) },
-				{ "SNES_PAL", (double)21281370 / (4 * 341 * 312) },
-				{ "SGB", (double)21477272 / (4 * 341 * 262) },
-				{ "SGB_PAL", (double)21281370 / (4 * 341 * 312) },
-				{ "PCE", (7159090.90909090 / 455 / 263) }, // ~59.826
-				{ "PCECD", (7159090.90909090 / 455 / 263) }, // ~59.826
-				{ "SMS", (3579545 / 262.0 / 228.0) },
-				{ "SMS_PAL", (3546893 / 313.0 / 228.0) },
-				{ "GG", (3579545 / 262.0 / 228.0) },
-				{ "GG_PAL", (3546893 / 313.0 / 228.0) },
-				{ "SG", (3579545 / 262.0 / 228.0) },
-				{ "SG_PAL", (3546893 / 313.0 / 228.0) },
-				{ "NGP", (6144000.0 / (515 * 198)) },
-				{ "VBOY", (20000000 / (259 * 384 * 4)) },  // ~50.273
+				{ "SNES", (double)21477272 / (4 * 341 * 262) }, //60.098475521
+				{ "SNES_PAL", (double)21281370 / (4 * 341 * 312) }, //50.0069789082
+				{ "SGB", (double)21477272 / (4 * 341 * 262) }, //60.098475521
+				{ "SGB_PAL", (double)21281370 / (4 * 341 * 312) }, //50.0069789082
+				{ "PCE", (7159090.90909090 / 455 / 263) }, //59.8261054535
+				{ "PCECD", (7159090.90909090 / 455 / 263) }, //59.8261054535
+				{ "SMS", (3579545 / 262.0 / 228.0) }, //59.9227434043
+				{ "SMS_PAL", (3546893 / 313.0 / 228.0) }, //49.7014320946
+				{ "GG", (3579545 / 262.0 / 228.0) }, //59.9227434043
+				{ "GG_PAL", (3546893 / 313.0 / 228.0) }, //49.7014320946
+				{ "SG", (3579545 / 262.0 / 228.0) }, //59.9227434043
+				{ "SG_PAL", (3546893 / 313.0 / 228.0) }, //49.7014320946
+				{ "NGP", (6144000.0 / (515 * 198)) }, //60.2530155928
+				{ "VBOY", (20000000 / (259 * 384 * 4)) },  //50.2734877735
 				{ "LYNX", 59.8 },
-				{ "WSWAN", (3072000.0 / (159 * 256)) },
-				{ "GB", 262144.0 / 4389.0 },
-				{ "GBC", 262144.0 / 4389.0 },
-				{ "GBA", 262144.0 / 4389.0 },
+				{ "WSWAN", (3072000.0 / (159 * 256)) }, //75.4716981132
+				{ "GB", 262144.0 / 4389.0 }, //59.7275005696
+				{ "GBC", 262144.0 / 4389.0 }, //59.7275005696
+				{ "GBA", 262144.0 / 4389.0 }, //59.7275005696
 				{ "A26", 59.9227510135505 },
 				{ "A78", 59.9227510135505 },
 				{ "Coleco", 59.9227510135505 }