Gainward GeForce RTX 2080 Super Phantom GLH vs Asus GeForce GTX 660 DirectCU II

VS
Gainward GeForce RTX 2080 Super Phantom GLH
Gainward GeForce RTX 2080 Super Phantom GLH Image
Asus GeForce GTX 660 DirectCU II
Asus GeForce GTX 660 DirectCU II Image
Gainward GeForce RTX 2080 Super Phantom GLH
Asus GeForce GTX 660 DirectCU II
Key Differences Key Differences Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1650MHz 980MHz
GPU Boost Clock Speed 1860MHz 1033MHz
Pixel Rate 119 GPixel/s 19.6 GPixel/s
GPU Memory Speed 1937MHz 1502MHz
GPU Render Output Units (ROPs) 64 24
No. of Supported Displays Not Known 4
Performance Performance Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1650MHz 980MHz
Pixel Rate 119 GPixel/s 19.6 GPixel/s
FLOPS (Floating-point Performance) 11.43 TFLOPS 1.88 TFLOPS
GPU Memory Speed 1937MHz 1502MHz
Texture Filter Rate 357.1 GTexels/s 78.4 GTexels/s
Total GPU Shading Units 3072 960
Total GPU TMUs 192 80
GPU Boost Clock Speed 1860MHz 1033MHz
GPU Render Output Units (ROPs) 64 24
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 72°C
Idle GPU Temperature 30°C 30°C
3D Support Yes Yes
Noise Level Under Load 46.5dB 47.4dB
Idle Power Consumption 54W 110W
Idle Noise Level 40.3dB 40.8dB
Multi-GPU Support Count 2 Not Known
PassMark (G3D) Score Not Known 4104
3DMark Vantage Texture Fill Result Not Known 65.3GTexels/s
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1933
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 296W
No. of Supported Displays Not Known 4
SmallLuxGPU (2.0d4) Result Not Known 5000
Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 2540 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 292mm 216mm
Height 130mm 111mm
Memory Memory Gainward GeForce RTX 2080 Super Phantom GLH Asus GeForce GTX 660 DirectCU II
Effective Memory Clock 15496MHz 6008MHz
Max Memory Bandwidth 496GB/s 144GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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