ASRock Radeon RX 6800 Challenger Pro OC vs Zotac GeForce GT 640 2GB

VS
ASRock Radeon RX 6800 Challenger Pro OC
ASRock Radeon RX 6800 Challenger Pro OC Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
ASRock Radeon RX 6800 Challenger Pro OC
Zotac GeForce GT 640 2GB
Key Differences Key Differences ASRock Radeon RX 6800 Challenger Pro OC Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1750MHz 1046MHz
GPU Boost Clock Speed 2140MHz Not Known
Pixel Rate 205.4 GPixel/s 7.22 GPixel/s
GPU Memory Speed 2000MHz 1250MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 Not Known
Performance Performance ASRock Radeon RX 6800 Challenger Pro OC Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1750MHz 1046MHz
Pixel Rate 205.4 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 16.44 TFLOPS 0.69 TFLOPS
GPU Memory Speed 2000MHz 1250MHz
Texture Filter Rate 513.6 GTexels/s 28.8 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 Zotac GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2.1 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
Ports Ports ASRock Radeon RX 6800 Challenger Pro OC Zotac GeForce GT 640 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 Zotac GeForce GT 640 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 Zotac GeForce GT 640 2GB
Effective Memory Clock 16000MHz 5000MHz
Max Memory Bandwidth 512GB/s 28.5GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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