KFA2 GeForce RTX 2080 Ti OC vs Zotac GeForce GTX 660 Ti Extreme Edition

VS
KFA2 GeForce RTX 2080 Ti OC
KFA2 GeForce RTX 2080 Ti OC Image
Zotac GeForce GTX 660 Ti Extreme Edition
Zotac GeForce GTX 660 Ti Extreme Edition Image
KFA2 GeForce RTX 2080 Ti OC
Zotac GeForce GTX 660 Ti Extreme Edition
Key Differences Key Differences KFA2 GeForce RTX 2080 Ti OC Zotac GeForce GTX 660 Ti Extreme Edition
GPU Base Clock Speed 1350MHz 1110MHz
GPU Boost Clock Speed 1620MHz 1202MHz
Pixel Rate 142.6 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 KFA2 GeForce RTX 2080 Ti OC Zotac GeForce GTX 660 Ti Extreme Edition
GPU Base Clock Speed 1350MHz 1110MHz
Pixel Rate 142.6 GPixel/s 31.1 GPixel/s
FLOPS (Floating-point Performance) 14.1 TFLOPS 2.98 TFLOPS
GPU Memory Speed 1750MHz 1652MHz
Texture Filter Rate 440.6 GTexels/s 124 GTexels/s
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1620MHz 1202MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features KFA2 GeForce RTX 2080 Ti OC 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
3D Support Yes Yes
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
GPU Temperature Under Load Not Known 75°C
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Ray Tracing Support No No
Idle GPU Temperature Not Known 31°C
Noise Level Under Load Not Known 47.9dB
Power Consumption Under Peak Load Not Known 318W
Idle Power Consumption Not Known 111W
Idle Noise Level Not Known 41.8dB
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous KFA2 GeForce RTX 2080 Ti OC 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 KFA2 GeForce RTX 2080 Ti OC 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
General info General info KFA2 GeForce RTX 2080 Ti OC 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 283mm 284mm
Height 139mm 111mm
Memory Memory KFA2 GeForce RTX 2080 Ti OC 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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