Gainward GeForce RTX 2080 Phoenix GS vs Zotac GeForce GTX 660 AMP! Edition

VS
Gainward GeForce RTX 2080 Phoenix GS
Gainward GeForce RTX 2080 Phoenix GS Image
Zotac GeForce GTX 660 AMP! Edition
Zotac GeForce GTX 660 AMP! Edition Image
Gainward GeForce RTX 2080 Phoenix GS
Zotac GeForce GTX 660 AMP! Edition
Key Differences Key Differences Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
GPU Base Clock Speed 1515MHz 1046MHz
GPU Boost Clock Speed 1815MHz 1110MHz
Pixel Rate 116.2 GPixel/s 20.9 GPixel/s
GPU Memory Speed 1750MHz 1652MHz
GPU Render Output Units (ROPs) 64 24
No. of Supported Displays 4 4
Performance Performance Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
GPU Base Clock Speed 1515MHz 1046MHz
Pixel Rate 116.2 GPixel/s 20.9 GPixel/s
FLOPS (Floating-point Performance) 10.69 TFLOPS 2.01 TFLOPS
Texture Filter Rate 334 GTexels/s 83.7 GTexels/s
GPU Memory Speed 1750MHz 1652MHz
Total GPU Shading Units 2944 960
Total GPU TMUs 184 80
GPU Boost Clock Speed 1815MHz 1110MHz
GPU Render Output Units (ROPs) 64 24
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
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 74°C 72°C
Idle GPU Temperature 30°C 30°C
3D Support Yes Yes
Noise Level Under Load 45dB 47.4dB
Idle Noise Level 40.3dB 40.8dB
Idle Power Consumption 53W 110W
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
Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
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 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
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 191mm
Height 112mm 111mm
Memory Memory Gainward GeForce RTX 2080 Phoenix GS Zotac GeForce GTX 660 AMP! Edition
Effective Memory Clock 14000MHz 6608MHz
Max Memory Bandwidth 448GB/s 159GB/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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