Sapphire Radeon RX 6800 vs Zotac GeForce GTX 660 AMP! Edition

VS
Sapphire Radeon RX 6800
Sapphire Radeon RX 6800 Image
Zotac GeForce GTX 660 AMP! Edition
Zotac GeForce GTX 660 AMP! Edition Image
Sapphire Radeon RX 6800
Zotac GeForce GTX 660 AMP! Edition
Key Differences Key Differences Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
GPU Base Clock Speed 1700MHz 1046MHz
GPU Boost Clock Speed 2105MHz 1110MHz
Pixel Rate 202.1 GPixel/s 20.9 GPixel/s
GPU Memory Speed 2000MHz 1652MHz
GPU Render Output Units (ROPs) 96 24
No. of Supported Displays 4 4
Performance Performance Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
GPU Base Clock Speed 1700MHz 1046MHz
Pixel Rate 202.1 GPixel/s 20.9 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 2.01 TFLOPS
Texture Filter Rate 505.2 GTexels/s 83.7 GTexels/s
GPU Memory Speed 2000MHz 1652MHz
Total GPU Shading Units 3840 960
Total GPU TMUs 240 80
GPU Boost Clock Speed 2105MHz 1110MHz
GPU Render Output Units (ROPs) 96 24
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 4104
3DMark Vantage Texture Fill Result Not Known 65.3GTexels/s
GPU Temperature Under Load Not Known 72°C
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1933
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 47.4dB
Power Consumption Under Peak Load Not Known 296W
Idle Power Consumption Not Known 110W
Idle Noise Level Not Known 40.8dB
SmallLuxGPU (2.0d4) Result Not Known 5000
Miscellaneous Miscellaneous Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
HDMI Output Support Yes Yes
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.7mm 191mm
Height 119.8mm 111mm
Memory Memory Sapphire Radeon RX 6800 Zotac GeForce GTX 660 AMP! Edition
Effective Memory Clock 16000MHz 6608MHz
Max Memory Bandwidth 512GB/s 159GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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