KFA2 GeForce RTX 2080 vs Gainward GeForce GTX 660 Ti

VS
KFA2 GeForce RTX 2080
KFA2 GeForce RTX 2080 Image
Gainward GeForce GTX 660 Ti
Gainward GeForce GTX 660 Ti Image
KFA2 GeForce RTX 2080
Gainward GeForce GTX 660 Ti
Key Differences Key Differences KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
GPU Base Clock Speed 1515MHz 915MHz
GPU Boost Clock Speed 1710MHz 980MHz
Pixel Rate 109.4 GPixel/s 25.6 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 64 24
No. of Supported Displays Not Known 4
Performance Performance KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
GPU Base Clock Speed 1515MHz 915MHz
Pixel Rate 109.4 GPixel/s 25.6 GPixel/s
FLOPS (Floating-point Performance) 10.07 TFLOPS 2.46 TFLOPS
Texture Filter Rate 314.6 GTexels/s 102 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
Total GPU Shading Units 2944 1344
Total GPU TMUs 184 112
GPU Boost Clock Speed 1710MHz 980MHz
GPU Render Output Units (ROPs) 64 24
DPFP (Double Precision Floating Point) Support No No
Features Features KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
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 75°C
Idle GPU Temperature 30°C 31°C
3D Support Yes Yes
Noise Level Under Load 45dB 47.9dB
Idle Power Consumption 53W 111W
Idle Noise Level 40.3dB 41.8dB
Multi-GPU Support Count 2 3
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
No. of Supported Displays Not Known 4
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
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 Gainward GeForce GTX 660 Ti
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 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 247mm
Height 139mm 111mm
Memory Memory KFA2 GeForce RTX 2080 Gainward GeForce GTX 660 Ti
Effective Memory Clock 14000MHz 6008MHz
Max Memory Bandwidth 448GB/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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