Gigabyte Radeon RX 6800 XT vs Asus GeForce GTX 660 DirectCU II OC

VS
Gigabyte Radeon RX 6800 XT
Gigabyte Radeon RX 6800 XT Image
Asus GeForce GTX 660 DirectCU II OC
Asus GeForce GTX 660 DirectCU II OC Image
Gigabyte Radeon RX 6800 XT
Asus GeForce GTX 660 DirectCU II OC
Key Differences Key Differences Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
GPU Base Clock Speed 1825MHz 1020MHz
GPU Boost Clock Speed 2250MHz 1084MHz
Pixel Rate 288 GPixel/s 20.4 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 Asus GeForce GTX 660 DirectCU II OC
GPU Base Clock Speed 1825MHz 1020MHz
Pixel Rate 288 GPixel/s 20.4 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 1.96 TFLOPS
GPU Memory Speed 2000MHz 1502MHz
Texture Filter Rate 648 GTexels/s 81.6 GTexels/s
Total GPU Shading Units 4608 960
Total GPU TMUs 288 80
GPU Boost Clock Speed 2250MHz 1084MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
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Features Features Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 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
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Miscellaneous Miscellaneous Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
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General info General info Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
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 267mm 259mm
Height 120mm 111mm
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Memory Memory Gigabyte Radeon RX 6800 XT Asus GeForce GTX 660 DirectCU II OC
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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