PowerColor Red Dragon Radeon RX 6800 vs Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB

VS
PowerColor Red Dragon Radeon RX 6800
PowerColor Red Dragon Radeon RX 6800 Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB Image
PowerColor Red Dragon Radeon RX 6800
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Key Differences Key Differences PowerColor Red Dragon Radeon RX 6800 Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1800MHz 797MHz
GPU Boost Clock Speed 2170MHz Not Known
Pixel Rate 208.3 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 PowerColor Red Dragon Radeon RX 6800 Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1800MHz 797MHz
Pixel Rate 208.3 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 16.67 TFLOPS 0.73 TFLOPS
GPU Memory Speed 2000MHz 891MHz
Texture Filter Rate 520.8 GTexels/s 25.5 GTexels/s
Total GPU Shading Units 3840 384
Total GPU TMUs 240 32
GPU Boost Clock Speed 2170MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Red Dragon Radeon RX 6800 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 PowerColor Red Dragon Radeon RX 6800 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 PowerColor Red Dragon Radeon RX 6800 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 310mm 145mm
Height 135mm 111mm
Memory Memory PowerColor Red Dragon Radeon RX 6800 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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