Gigabyte Radeon RX 6800 XT Gaming OC vs EVGA GeForce GTX 660 SC Signature 2

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Gigabyte Radeon RX 6800 XT Gaming OC
Gigabyte Radeon RX 6800 XT Gaming OC Image
EVGA GeForce GTX 660 SC Signature 2
EVGA GeForce GTX 660 SC Signature 2 Image
Gigabyte Radeon RX 6800 XT Gaming OC
EVGA GeForce GTX 660 SC Signature 2
Key Differences Key Differences Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
GPU Base Clock Speed 1850MHz 1046MHz
GPU Boost Clock Speed 2285MHz 1110MHz
Pixel Rate 292.5 GPixel/s 20.9 GPixel/s
GPU Memory Speed 2000MHz 1502MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
GPU Base Clock Speed 1850MHz 1046MHz
Pixel Rate 292.5 GPixel/s 20.9 GPixel/s
FLOPS (Floating-point Performance) 21.06 TFLOPS 2.01 TFLOPS
GPU Memory Speed 2000MHz 1502MHz
Texture Filter Rate 658.1 GTexels/s 83.7 GTexels/s
Total GPU Shading Units 4608 960
Total GPU TMUs 288 80
GPU Boost Clock Speed 2285MHz 1110MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
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 Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
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 286mm 241mm
Height 118mm 111mm
Memory Memory Gigabyte Radeon RX 6800 XT Gaming OC EVGA GeForce GTX 660 SC Signature 2
Effective Memory Clock 16000MHz 6008MHz
Max Memory Bandwidth 512GB/s 144GB/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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