ASRock Radeon RX 6900 XT vs Gigabyte GeForce GTX 660 WindForce 2X OC

VS
ASRock Radeon RX 6900 XT
ASRock Radeon RX 6900 XT Image
Gigabyte GeForce GTX 660 WindForce 2X OC
Gigabyte GeForce GTX 660 WindForce 2X OC Image
ASRock Radeon RX 6900 XT
Gigabyte GeForce GTX 660 WindForce 2X OC
Key Differences Key Differences ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1900MHz 1032MHz
GPU Boost Clock Speed 2250MHz 1098MHz
Pixel Rate 298.2 GPixel/s 20.6 GPixel/s
GPU Memory Speed 2000MHz 1502MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1900MHz 1032MHz
Pixel Rate 298.2 GPixel/s 20.6 GPixel/s
FLOPS (Floating-point Performance) 23.86 TFLOPS 1.98 TFLOPS
GPU Memory Speed 2000MHz 1502MHz
Texture Filter Rate 745.6 GTexels/s 82.6 GTexels/s
Total GPU Shading Units 5120 960
Total GPU TMUs 320 80
GPU Boost Clock Speed 2250MHz 1098MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
Features Features ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X OC
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 ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X 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
General info General info ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X 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 256mm
Height 120mm 111mm
Memory Memory ASRock Radeon RX 6900 XT Gigabyte GeForce GTX 660 WindForce 2X 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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