Sapphire Radeon Pro Duo vs Gainward GeForce GTX 660

VS
Sapphire Radeon Pro Duo
Sapphire Radeon Pro Duo Image
Gainward GeForce GTX 660
Gainward GeForce GTX 660 Image
Sapphire Radeon Pro Duo
Gainward GeForce GTX 660
Key Differences Key Differences Sapphire Radeon Pro Duo Gainward GeForce GTX 660
GPU Base Clock Speed 1000MHz 980MHz
GPU Boost Clock Speed Not Known 1032MHz
Pixel Rate 128 GPixel/s 19.6 GPixel/s
GPU Memory Speed 500MHz 1502MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance Sapphire Radeon Pro Duo Gainward GeForce GTX 660
GPU Base Clock Speed 1000MHz 980MHz
Pixel Rate 128 GPixel/s 19.6 GPixel/s
FLOPS (Floating-point Performance) 16.38 TFLOPS 1.88 TFLOPS
GPU Memory Speed 500MHz 1502MHz
Texture Filter Rate 512 GTexels/s 78.4 GTexels/s
Total GPU Shading Units 8192 960
Total GPU TMUs 512 80
GPU Render Output Units (ROPs) 128 24
GPU Boost Clock Speed Not Known 1032MHz
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon Pro Duo Gainward GeForce GTX 660
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2.1 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
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
Ray Tracing Support No No
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
Ports Ports Sapphire Radeon Pro Duo Gainward GeForce GTX 660
HDMI Output Support Yes Yes
DisplayPort Output 3 1
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon Pro Duo Gainward GeForce GTX 660
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 8900 million 2540 million
Semiconductor Size 28nm 28nm
PCI Express Version 3 3
Dual-GPU Support Yes No
Air-water Cooling Support Yes No
Width Size 278mm 180mm
Height 130mm 111mm
Memory Memory Sapphire Radeon Pro Duo Gainward GeForce GTX 660
Effective Memory Clock 1000MHz 6008MHz
Max Memory Bandwidth 1024GB/s 144GB/s
RAM 8GB 2GB
Memory Bus Interface Width 8192bit 192bit
GDDR Memory Version Not Known 5
ECC (Error-Correcting Code) Memory Support No No

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