AMD Radeon Pro Duo vs Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB

VS
AMD Radeon Pro Duo
AMD Radeon Pro Duo Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB Image
AMD Radeon Pro Duo
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Key Differences Key Differences AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1000MHz 720MHz
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 Not Known
No. of Supported Displays Not Known Not Known
Performance Performance AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1000MHz 720MHz
Pixel Rate 128 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 16.2 TFLOPS 0.61 TFLOPS
Texture Filter Rate 512 GTexels/s 17 GTexels/s
GPU Memory Speed 500MHz 891MHz
Total GPU Shading Units 8192 144
Total GPU TMUs 512 Not Known
GPU Render Output Units (ROPs) 128 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 Not Known
Multi-display Tech Support Yes No
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support No No
3D Support No Yes
Ports Ports AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
HDMI Output Support Yes Yes
DisplayPort Output 3 0
DVI Output Ports Not Known 1
Mini DisplayPort Output Not Known 0
General info General info AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 8900 million 1270 million
Semiconductor Size 28nm 28nm
PCI Express Version 3 2
Dual-GPU Support Yes No
Air-water Cooling Support Yes No
Width Size Not Known 145mm
Height Not Known 111mm
Memory Memory AMD Radeon Pro Duo Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Effective Memory Clock 1000MHz 1782MHz
Max Memory Bandwidth 1024GB/s 43GB/s
RAM 8GB 3GB
Memory Bus Interface Width 8192bit 192bit
ECC (Error-Correcting Code) Memory Support No No

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