PowerColor Red Devil Radeon RX 6800 XT vs Gainward GeForce GTX 660 GS

VS
PowerColor Red Devil Radeon RX 6800 XT
PowerColor Red Devil Radeon RX 6800 XT Image
Gainward GeForce GTX 660 GS
Gainward GeForce GTX 660 GS Image
PowerColor Red Devil Radeon RX 6800 XT
Gainward GeForce GTX 660 GS
Key Differences Key Differences PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
GPU Base Clock Speed 1900MHz 1006MHz
GPU Boost Clock Speed 2340MHz 1072MHz
Pixel Rate 299.5 GPixel/s 20.1 GPixel/s
GPU Memory Speed 2000MHz 1527MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
GPU Base Clock Speed 1900MHz 1006MHz
Pixel Rate 299.5 GPixel/s 20.1 GPixel/s
FLOPS (Floating-point Performance) 21.57 TFLOPS 1.93 TFLOPS
GPU Memory Speed 2000MHz 1527MHz
Texture Filter Rate 673.9 GTexels/s 80.5 GTexels/s
Total GPU Shading Units 4608 960
Total GPU TMUs 288 80
GPU Boost Clock Speed 2340MHz 1072MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
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 4
PassMark (G3D) Score Not Known 4104
3DMark Vantage Texture Fill Result Not Known 65.3GTexels/s
GPU Temperature Under Load Not Known 72°C
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1933
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 47.4dB
Power Consumption Under Peak Load Not Known 296W
Idle Power Consumption Not Known 110W
Idle Noise Level Not Known 40.8dB
SmallLuxGPU (2.0d4) Result Not Known 5000
Ports Ports PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 320mm 180mm
Height 135mm 111mm
Memory Memory PowerColor Red Devil Radeon RX 6800 XT Gainward GeForce GTX 660 GS
Effective Memory Clock 16000MHz 6108MHz
Max Memory Bandwidth 512GB/s 147GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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