Sapphire Radeon Pro Duo vs EVGA GeForce GTX 640 4GB

VS
Sapphire Radeon Pro Duo
Sapphire Radeon Pro Duo Image
EVGA GeForce GTX 640 4GB
EVGA GeForce GTX 640 4GB Image
Sapphire Radeon Pro Duo
EVGA GeForce GTX 640 4GB
Key Differences Key Differences Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
GPU Base Clock Speed 1000MHz 900MHz
GPU Boost Clock Speed Not Known Not Known
Pixel Rate 128 GPixel/s 7.22 GPixel/s
GPU Memory Speed 500MHz 901MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 Not Known
Performance Performance Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
GPU Base Clock Speed 1000MHz 900MHz
Pixel Rate 128 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 16.38 TFLOPS 0.69 TFLOPS
GPU Memory Speed 500MHz 901MHz
Texture Filter Rate 512 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 8192 384
Total GPU TMUs 512 32
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
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 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support No No
Ports Ports Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
HDMI Output Support Yes Yes
DisplayPort Output 3 0
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 8900 million 1270 million
Semiconductor Size 28nm 28nm
PCI Express Version 3 3
Dual-GPU Support Yes No
Air-water Cooling Support Yes No
Width Size 278mm 170mm
Height 130mm 111mm
Memory Memory Sapphire Radeon Pro Duo EVGA GeForce GTX 640 4GB
Effective Memory Clock 1000MHz 1802MHz
Max Memory Bandwidth 1024GB/s 28.8GB/s
RAM 8GB 4GB
Memory Bus Interface Width 8192bit 128bit
ECC (Error-Correcting Code) Memory Support No No

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