MSI Radeon RX 6800 XT vs Gigabyte GeForce GTX 660 Ti WindForce 3X

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MSI Radeon RX 6800 XT
MSI Radeon RX 6800 XT Image
Gigabyte GeForce GTX 660 Ti WindForce 3X
Gigabyte GeForce GTX 660 Ti WindForce 3X Image
MSI Radeon RX 6800 XT
Gigabyte GeForce GTX 660 Ti WindForce 3X
Key Differences Key Differences MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
GPU Base Clock Speed 1825MHz 915MHz
GPU Boost Clock Speed 2250MHz 980MHz
Pixel Rate 288 GPixel/s 25.6 GPixel/s
GPU Memory Speed 2000MHz 1502MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
GPU Base Clock Speed 1825MHz 915MHz
Pixel Rate 288 GPixel/s 25.6 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 2.46 TFLOPS
GPU Memory Speed 2000MHz 1502MHz
Texture Filter Rate 648 GTexels/s 102 GTexels/s
Total GPU Shading Units 4608 1344
Total GPU TMUs 288 112
GPU Boost Clock Speed 2250MHz 980MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
Features Features MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
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 4692
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
GPU Temperature Under Load Not Known 75°C
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Idle GPU Temperature Not Known 31°C
Noise Level Under Load Not Known 47.9dB
Power Consumption Under Peak Load Not Known 318W
Idle Power Consumption Not Known 111W
Idle Noise Level Not Known 41.8dB
Multi-GPU Support Count Not Known 3
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
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
General info General info MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 3540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 267mm 285mm
Height 120mm 111mm
Memory Memory MSI Radeon RX 6800 XT Gigabyte GeForce GTX 660 Ti WindForce 3X
Effective Memory Clock 16000MHz 6008MHz
Max Memory Bandwidth 512GB/s 144GB/s
RAM 16GB 3GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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