KFA2 GeForce RTX 2080 Ti vs EVGA GeForce GTX 660 SC Signature 2

VS
KFA2 GeForce RTX 2080 Ti
KFA2 GeForce RTX 2080 Ti Image
EVGA GeForce GTX 660 SC Signature 2
EVGA GeForce GTX 660 SC Signature 2 Image
KFA2 GeForce RTX 2080 Ti
EVGA GeForce GTX 660 SC Signature 2
Key Differences Key Differences KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
GPU Base Clock Speed 1350MHz 1046MHz
GPU Boost Clock Speed 1545MHz 1110MHz
Pixel Rate 136 GPixel/s 20.9 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
GPU Base Clock Speed 1350MHz 1046MHz
Pixel Rate 136 GPixel/s 20.9 GPixel/s
FLOPS (Floating-point Performance) 13.45 TFLOPS 2.01 TFLOPS
Texture Filter Rate 420.2 GTexels/s 83.7 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
Total GPU Shading Units 4352 960
Total GPU TMUs 272 80
GPU Boost Clock Speed 1545MHz 1110MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
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 72°C
Idle GPU Temperature 31°C 30°C
Noise Level Under Load 47.5dB 47.4dB
3D Support Yes Yes
Idle Noise Level 41.5dB 40.8dB
Idle Power Consumption 54W 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 KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
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 EVGA GeForce GTX 660 SC Signature 2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 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 267mm 241mm
Height Not Known 111mm
Memory Memory KFA2 GeForce RTX 2080 Ti EVGA GeForce GTX 660 SC Signature 2
Effective Memory Clock 14000MHz 6008MHz
Max Memory Bandwidth 616GB/s 144GB/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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