Zotac GeForce GTX 1080 Ti AMP! Extreme vs EVGA GeForce GTX 660 Ti FTW Signature 2

VS
Zotac GeForce GTX 1080 Ti AMP! Extreme
Zotac GeForce GTX 1080 Ti AMP! Extreme Image
EVGA GeForce GTX 660 Ti FTW Signature 2
EVGA GeForce GTX 660 Ti FTW Signature 2 Image
Zotac GeForce GTX 1080 Ti AMP! Extreme
EVGA GeForce GTX 660 Ti FTW Signature 2
Key Differences Key Differences Zotac GeForce GTX 1080 Ti AMP! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
GPU Base Clock Speed 1645MHz 1046MHz
GPU Boost Clock Speed 1759MHz 1124MHz
Pixel Rate 154.8 GPixel/s 29.3 GPixel/s
GPU Memory Speed 1400MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Zotac GeForce GTX 1080 Ti AMP! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
GPU Base Clock Speed 1645MHz 1046MHz
Pixel Rate 154.8 GPixel/s 29.3 GPixel/s
FLOPS (Floating-point Performance) 12.61 TFLOPS 2.81 TFLOPS
Texture Filter Rate 394 GTexels/s 117 GTexels/s
GPU Memory Speed 1400MHz 1502MHz
Total GPU Shading Units 3584 1344
Total GPU TMUs 224 112
GPU Boost Clock Speed 1759MHz 1124MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce GTX 1080 Ti AMP! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
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 4692
GPU Temperature Under Load 84°C 75°C
PassMark (DirectCompute) Benchmark Result 9456 2547
Idle GPU Temperature 33°C 31°C
3D Support Yes Yes
Noise Level Under Load 55.4dB 47.9dB
Idle Noise Level 40.7dB 41.8dB
Idle Power Consumption 82W 111W
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
Ray Tracing Support Yes No
Power Consumption Under Peak Load Not Known 318W
Multi-GPU Support Count 2 3
SmallLuxGPU (2.0d4) Result Not Known 6200
No. of Supported Displays 4 4
Ports Ports Zotac GeForce GTX 1080 Ti AMP! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
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! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 3540 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Width Size 325mm 254mm
Height 148mm 111mm
Air-water Cooling Support No No
Memory Memory Zotac GeForce GTX 1080 Ti AMP! Extreme EVGA GeForce GTX 660 Ti FTW Signature 2
Effective Memory Clock 11200MHz 6008MHz
Max Memory Bandwidth 492.8GB/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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