Zotac GeForce RTX 2080 Super AMP Extreme vs Gigabyte GeForce GTX 660 WindForce 2X

VS
Zotac GeForce RTX 2080 Super AMP Extreme
Zotac GeForce RTX 2080 Super AMP Extreme Image
Gigabyte GeForce GTX 660 WindForce 2X
Gigabyte GeForce GTX 660 WindForce 2X Image
Zotac GeForce RTX 2080 Super AMP Extreme
Gigabyte GeForce GTX 660 WindForce 2X
Key Differences Key Differences Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
GPU Base Clock Speed 1650MHz 980MHz
GPU Boost Clock Speed 1875MHz 1046MHz
Pixel Rate 120 GPixel/s 19.6 GPixel/s
GPU Memory Speed 1937MHz 1502MHz
GPU Render Output Units (ROPs) 64 24
No. of Supported Displays 4 4
Performance Performance Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
GPU Base Clock Speed 1650MHz 980MHz
Pixel Rate 120 GPixel/s 19.6 GPixel/s
FLOPS (Floating-point Performance) 11.52 TFLOPS 1.88 TFLOPS
GPU Memory Speed 1937MHz 1502MHz
Texture Filter Rate 360 GTexels/s 78.4 GTexels/s
Total GPU Shading Units 3072 960
Total GPU TMUs 192 80
GPU Boost Clock Speed 1875MHz 1046MHz
GPU Render Output Units (ROPs) 64 24
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
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
Noise Level Under Load 46.5dB 47.4dB
3D Support Yes Yes
Idle Power Consumption 54W 110W
Idle Noise Level 40.3dB 40.8dB
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 4
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
SmallLuxGPU (2.0d4) Result Not Known 5000
Ports Ports Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
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 Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
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 324mm 256mm
Height 136mm 111mm
Memory Memory Zotac GeForce RTX 2080 Super AMP Extreme Gigabyte GeForce GTX 660 WindForce 2X
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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