Galax GeForce RTX 2080 Ti SG Edition vs Gigabyte GeForce GTX 660 Ti WindForce 2X OC

VS
Galax GeForce RTX 2080 Ti SG Edition
Galax GeForce RTX 2080 Ti SG Edition Image
Gigabyte GeForce GTX 660 Ti WindForce 2X OC
Gigabyte GeForce GTX 660 Ti WindForce 2X OC Image
Galax GeForce RTX 2080 Ti SG Edition
Gigabyte GeForce GTX 660 Ti WindForce 2X OC
Key Differences Key Differences Galax GeForce RTX 2080 Ti SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
GPU Base Clock Speed 1350MHz 1032MHz
GPU Boost Clock Speed 1635MHz 1110MHz
Pixel Rate 147.8 GPixel/s 28.9 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 SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
GPU Base Clock Speed 1350MHz 1032MHz
Pixel Rate 147.8 GPixel/s 28.9 GPixel/s
FLOPS (Floating-point Performance) 14.62 TFLOPS 2.74 TFLOPS
Texture Filter Rate 457 GTexels/s 116 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1635MHz 1110MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 2080 Ti SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
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
Noise Level Under Load 47.5dB 47.9dB
3D Support Yes Yes
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 SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Galax GeForce RTX 2080 Ti SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
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 SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
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 320mm 266mm
Height 110mm 111mm
Memory Memory Galax GeForce RTX 2080 Ti SG Edition Gigabyte GeForce GTX 660 Ti WindForce 2X OC
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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