Zotac GTX 1080 Ti vs Gigabyte GeForce GTX 660 WindForce 2X OC

VS
Zotac GTX 1080 Ti
Zotac GTX 1080 Ti Image
Gigabyte GeForce GTX 660 WindForce 2X OC
Gigabyte GeForce GTX 660 WindForce 2X OC Image
Zotac GTX 1080 Ti
Gigabyte GeForce GTX 660 WindForce 2X OC
Key Differences Key Differences Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1481MHz 1032MHz
GPU Boost Clock Speed 1582MHz 1098MHz
Pixel Rate 139.2 GPixel/s 20.6 GPixel/s
GPU Memory Speed 1376MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays Not Known 4
Performance Performance Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1481MHz 1032MHz
Pixel Rate 139.2 GPixel/s 20.6 GPixel/s
FLOPS (Floating-point Performance) 11.34 TFLOPS 1.98 TFLOPS
Texture Filter Rate 354.4 GTexels/s 82.6 GTexels/s
GPU Memory Speed 1376MHz 1502MHz
Total GPU Shading Units 3584 960
Total GPU TMUs 224 80
GPU Boost Clock Speed 1582MHz 1098MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
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Features Features Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 WindForce 2X OC
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
PassMark (G3D) Score 13470 4104
GPU Temperature Under Load 84°C 72°C
PassMark (DirectCompute) Benchmark Result 9456 1933
Idle GPU Temperature 33°C 30°C
3D Support Yes Yes
Noise Level Under Load 55.4dB 47.4dB
Idle Power Consumption 82W 110W
Idle Noise Level 40.7dB 40.8dB
3DMark Vantage Texture Fill Result Not Known 65.3GTexels/s
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
Ray Tracing Support Yes No
Power Consumption Under Peak Load Not Known 296W
Multi-GPU Support Count 2 Not Known
SmallLuxGPU (2.0d4) Result Not Known 5000
No. of Supported Displays Not Known 4
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Ports Ports Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 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
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General info General info Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 WindForce 2X OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 2540 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Width Size 266.7mm 256mm
Height 111.6mm 111mm
Air-water Cooling Support No No
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Memory Memory Zotac GTX 1080 Ti Gigabyte GeForce GTX 660 WindForce 2X OC
Effective Memory Clock 11008MHz 6008MHz
Max Memory Bandwidth 484.4GB/s 144GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 192bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No
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