Galax GeForce RTX 2080 Ti vs EVGA GeForce GTX 660 Ti SC

VS
Galax GeForce RTX 2080 Ti
Galax GeForce RTX 2080 Ti Image
EVGA GeForce GTX 660 Ti SC
EVGA GeForce GTX 660 Ti SC Image
Galax GeForce RTX 2080 Ti
EVGA GeForce GTX 660 Ti SC
Key Differences Key Differences Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
GPU Base Clock Speed 1350MHz 980MHz
GPU Boost Clock Speed 1545MHz 1058MHz
Pixel Rate 136 GPixel/s 27.4 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
GPU Base Clock Speed 1350MHz 980MHz
Pixel Rate 136 GPixel/s 27.4 GPixel/s
FLOPS (Floating-point Performance) 13.45 TFLOPS 2.63 TFLOPS
GPU Memory Speed 1750MHz 1502MHz
Texture Filter Rate 420.2 GTexels/s 110 GTexels/s
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1545MHz 1058MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
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
Miscellaneous Miscellaneous Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
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 Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
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 267mm 241mm
Height Not Known 111mm
Memory Memory Galax GeForce RTX 2080 Ti EVGA GeForce GTX 660 Ti SC
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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