Asus TUF GeForce RTX 3080 Gaming OC vs Asus GeForce GTX 660 DirectCU II

VS
Asus TUF GeForce RTX 3080 Gaming OC
Asus TUF GeForce RTX 3080 Gaming OC Image
Asus GeForce GTX 660 DirectCU II
Asus GeForce GTX 660 DirectCU II Image
Asus TUF GeForce RTX 3080 Gaming OC
Asus GeForce GTX 660 DirectCU II
Key Differences Key Differences Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1440MHz 980MHz
GPU Boost Clock Speed 1785MHz 1033MHz
Pixel Rate 171.4 GPixel/s 19.6 GPixel/s
GPU Memory Speed 1188MHz 1502MHz
GPU Render Output Units (ROPs) 96 24
No. of Supported Displays 4 4
Performance Performance Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1440MHz 980MHz
Pixel Rate 171.4 GPixel/s 19.6 GPixel/s
FLOPS (Floating-point Performance) 31.07 TFLOPS 1.88 TFLOPS
GPU Memory Speed 1188MHz 1502MHz
Texture Filter Rate 485.5 GTexels/s 78.4 GTexels/s
Total GPU Shading Units 8704 960
Total GPU TMUs 272 80
GPU Boost Clock Speed 1785MHz 1033MHz
GPU Render Output Units (ROPs) 96 24
DPFP (Double Precision Floating Point) Support No No
Features Features Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
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
Ports Ports Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 2540 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 299.9mm 216mm
Height 126.9mm 111mm
Memory Memory Asus TUF GeForce RTX 3080 Gaming OC Asus GeForce GTX 660 DirectCU II
Effective Memory Clock 19000MHz 6008MHz
Max Memory Bandwidth 760GB/s 144GB/s
RAM 10GB 2GB
Memory Bus Interface Width 320bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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