ASRock Radeon RX 6800 XT Phantom Gaming D OC vs Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB

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ASRock Radeon RX 6800 XT Phantom Gaming D OC
ASRock Radeon RX 6800 XT Phantom Gaming D OC Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB Image
ASRock Radeon RX 6800 XT Phantom Gaming D OC
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Key Differences Key Differences ASRock Radeon RX 6800 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1875MHz 797MHz
GPU Boost Clock Speed 2310MHz Not Known
Pixel Rate 295.7 GPixel/s 6.38 GPixel/s
GPU Memory Speed 2000MHz 891MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 Not Known
Performance Performance ASRock Radeon RX 6800 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1875MHz 797MHz
Pixel Rate 295.7 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 21.29 TFLOPS 0.73 TFLOPS
GPU Memory Speed 2000MHz 891MHz
Texture Filter Rate 665.3 GTexels/s 25.5 GTexels/s
Total GPU Shading Units 4608 384
Total GPU TMUs 288 32
GPU Boost Clock Speed 2310MHz Not Known
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No No
Features Features ASRock Radeon RX 6800 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
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 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
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 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
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 330mm 145mm
Height 140mm 111mm
Memory Memory ASRock Radeon RX 6800 XT Phantom Gaming D OC Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Effective Memory Clock 16000MHz 1782MHz
Max Memory Bandwidth 512GB/s 28.5GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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