diff --git a/src/Config.cpp b/src/Config.cpp
index 19dc1def..e5895272 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -47,9 +47,9 @@ void Config::resetToDefaults()
 #else
 	frameBufferEmulation.enable = 1;
 #endif
-	frameBufferEmulation.copyDepthToRDRAM = 0;
+	frameBufferEmulation.copyDepthToRDRAM = ctDisable;
 	frameBufferEmulation.copyFromRDRAM = 0;
-	frameBufferEmulation.copyToRDRAM = 1;
+	frameBufferEmulation.copyToRDRAM = ctSync;
 	frameBufferEmulation.detectCFB = 0;
 	frameBufferEmulation.N64DepthCompare = 0;
 	frameBufferEmulation.aspect = 1;
diff --git a/src/Config.h b/src/Config.h
index 924f0b03..06ccd5e7 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -63,6 +63,12 @@ struct Config
 		aTotal = 4
 	};
 
+	enum CopyToRDRAM {
+		ctDisable = 0,
+		ctSync,
+		ctAsync
+	};
+
 	struct {
 		u32 enable;
 		u32 copyToRDRAM;
diff --git a/src/FrameBuffer.cpp b/src/FrameBuffer.cpp
index e169b3d8..9eb1a919 100644
--- a/src/FrameBuffer.cpp
+++ b/src/FrameBuffer.cpp
@@ -934,7 +934,7 @@ void FrameBufferToRDRAM::Init()
 	glBindBuffer(GL_PIXEL_PACK_BUFFER, m_aPBO[1]);
 	glBufferData(GL_PIXEL_PACK_BUFFER, m_pTexture->textureBytes, NULL, GL_DYNAMIC_READ);
 	glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
-	m_bSync = true;
+	m_bSync = config.frameBufferEmulation.copyToRDRAM == Config::ctSync;
 	m_curIndex = 0;
 }
 
diff --git a/src/RSP.cpp b/src/RSP.cpp
index 797b5369..0b594af0 100644
--- a/src/RSP.cpp
+++ b/src/RSP.cpp
@@ -209,9 +209,9 @@ void RSP_ProcessDList()
 		}
 	}
 
-	if (config.frameBufferEmulation.copyToRDRAM)
+	if (config.frameBufferEmulation.copyToRDRAM != Config::ctDisable)
 		FrameBuffer_CopyToRDRAM(gDP.colorImage.address);
-	if (config.frameBufferEmulation.copyDepthToRDRAM)
+	if (config.frameBufferEmulation.copyDepthToRDRAM != Config::ctDisable)
 		FrameBuffer_CopyDepthBuffer(gDP.colorImage.address);
 
 	RSP.busy = FALSE;
diff --git a/src/gDP.cpp b/src/gDP.cpp
index 0b1ff9c9..8597fe5d 100644
--- a/src/gDP.cpp
+++ b/src/gDP.cpp
@@ -883,9 +883,9 @@ void gDPTextureRectangleFlip( f32 ulx, f32 uly, f32 lrx, f32 lry, s32 tile, f32
 void gDPFullSync()
 {
 	if (RSP.bLLE) {
-		if (config.frameBufferEmulation.copyToRDRAM)
+		if (config.frameBufferEmulation.copyToRDRAM != Config::ctDisable)
 			FrameBuffer_CopyToRDRAM(gDP.colorImage.address);
-		if (config.frameBufferEmulation.copyDepthToRDRAM)
+		if (config.frameBufferEmulation.copyDepthToRDRAM != Config::ctDisable)
 			FrameBuffer_CopyDepthBuffer(gDP.colorImage.address);
 	}