Gainward GeForce RTX 2080 Ti Phoenix GS vs Zotac GeForce GTX 660 Ti Extreme Edition

VS
Gainward GeForce RTX 2080 Ti Phoenix GS
Gainward GeForce RTX 2080 Ti Phoenix GS Image
Zotac GeForce GTX 660 Ti Extreme Edition
Zotac GeForce GTX 660 Ti Extreme Edition Image
Gainward GeForce RTX 2080 Ti Phoenix GS
Zotac GeForce GTX 660 Ti Extreme Edition
Key Differences Key Differences Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
GPU Base Clock Speed 1350MHz 1110MHz
GPU Boost Clock Speed 1650MHz 1202MHz
Pixel Rate 145.2 GPixel/s 31.1 GPixel/s
GPU Memory Speed 1750MHz 1652MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
GPU Base Clock Speed 1350MHz 1110MHz
Pixel Rate 145.2 GPixel/s 31.1 GPixel/s
FLOPS (Floating-point Performance) 14.36 TFLOPS 2.98 TFLOPS
Texture Filter Rate 448.8 GTexels/s 124 GTexels/s
GPU Memory Speed 1750MHz 1652MHz
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1650MHz 1202MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
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Features Features Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 75°C
Idle GPU Temperature 31°C 31°C
3D Support Yes Yes
Noise Level Under Load 47.5dB 47.9dB
Idle Noise Level 41.5dB 41.8dB
Idle Power Consumption 54W 111W
Multi-GPU Support Count 2 3
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 4692
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 318W
SmallLuxGPU (2.0d4) Result Not Known 6200
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Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme 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
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General info General info Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 3540 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 292mm 284mm
Height 112mm 111mm
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Memory Memory Gainward GeForce RTX 2080 Ti Phoenix GS Zotac GeForce GTX 660 Ti Extreme Edition
Effective Memory Clock 14000MHz 6608MHz
Max Memory Bandwidth 616GB/s 159GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No
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