ASRock Radeon RX 6800 Challenger Pro OC vs Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB

VS
ASRock Radeon RX 6800 Challenger Pro OC
ASRock Radeon RX 6800 Challenger Pro OC Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB Image
ASRock Radeon RX 6800 Challenger Pro OC
Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Key Differences Key Differences ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1750MHz 797MHz
GPU Boost Clock Speed 2140MHz Not Known
Pixel Rate 205.4 GPixel/s 6.38 GPixel/s
GPU Memory Speed 2000MHz 891MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 Not Known
Performance Performance ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
GPU Base Clock Speed 1750MHz 797MHz
Pixel Rate 205.4 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 16.44 TFLOPS 0.61 TFLOPS
GPU Memory Speed 2000MHz 891MHz
Texture Filter Rate 513.6 GTexels/s 25.5 GTexels/s
Total GPU Shading Units 3840 384
Total GPU TMUs 240 32
GPU Boost Clock Speed 2140MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2.1 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
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 ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 1270 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 305mm 145mm
Height 131mm 111mm
Memory Memory ASRock Radeon RX 6800 Challenger Pro OC Nvidia GeForce GT 640 OEM 128-bit DDR3 2GB
Effective Memory Clock 16000MHz 1782MHz
Max Memory Bandwidth 512GB/s 28.5GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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