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

VS
Zotac GeForce GTX 1080 Ti AMP! Edition
Zotac GeForce GTX 1080 Ti AMP! Edition Image
Gigabyte GeForce GTX 660 WindForce 2X OC
Gigabyte GeForce GTX 660 WindForce 2X OC Image
Zotac GeForce GTX 1080 Ti AMP! Edition
Gigabyte GeForce GTX 660 WindForce 2X OC
Key Differences Key Differences Zotac GeForce GTX 1080 Ti AMP! Edition Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1569MHz 1032MHz
GPU Boost Clock Speed 1683MHz 1098MHz
Pixel Rate 148.1 GPixel/s 20.6 GPixel/s
GPU Memory Speed 1376MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Zotac GeForce GTX 1080 Ti AMP! Edition Gigabyte GeForce GTX 660 WindForce 2X OC
GPU Base Clock Speed 1569MHz 1032MHz
Pixel Rate 148.1 GPixel/s 20.6 GPixel/s
FLOPS (Floating-point Performance) 12.06 TFLOPS 1.98 TFLOPS
GPU Memory Speed 1376MHz 1502MHz
Texture Filter Rate 377 GTexels/s 82.6 GTexels/s
Total GPU Shading Units 3584 960
Total GPU TMUs 224 80
GPU Boost Clock Speed 1683MHz 1098MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce GTX 1080 Ti AMP! Edition 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 4 4
Ports Ports Zotac GeForce GTX 1080 Ti AMP! Edition 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 1 2
Mini DisplayPort Output 0 0
General info General info Zotac GeForce GTX 1080 Ti AMP! Edition 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 300mm 256mm
Height 148mm 111mm
Air-water Cooling Support No No
Memory Memory Zotac GeForce GTX 1080 Ti AMP! Edition 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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