XFX Radeon Pro Duo vs Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB

VS
XFX Radeon Pro Duo
XFX Radeon Pro Duo Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB Image
XFX Radeon Pro Duo
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Key Differences Key Differences XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1000MHz 797MHz
GPU Boost Clock Speed Not Known Not Known
Pixel Rate 128 GPixel/s 6.38 GPixel/s
GPU Memory Speed 500MHz 891MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 6 Not Known
Performance Performance XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1000MHz 797MHz
Pixel Rate 128 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 16.38 TFLOPS 0.61 TFLOPS
Texture Filter Rate 512 GTexels/s 25.5 GTexels/s
GPU Memory Speed 500MHz 891MHz
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 XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2.1 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
No. of Supported Displays 6 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support No No
Ports Ports XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
HDMI Output Support Yes Yes
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
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 281mm 145mm
Height 116.5mm 111mm
Memory Memory XFX Radeon Pro Duo Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Effective Memory Clock 1000MHz 1782MHz
Max Memory Bandwidth 1024GB/s 28.5GB/s
RAM 8GB 2GB
Memory Bus Interface Width 4096bit 128bit
ECC (Error-Correcting Code) Memory Support No No

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