Zotac GeForce GTX 1080 Ti AMP! Extreme vs KFA2 GeForce GTX 650 Ti Boost
VS
Zotac GeForce GTX 1080 Ti AMP! Extreme
KFA2 GeForce GTX 650 Ti Boost
Key Differences
Performance
Features
Ports
General info
Memory
Zotac GeForce GTX 1080 Ti AMP! Extreme
KFA2 GeForce GTX 650 Ti Boost
Key Differences
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| GPU Base Clock Speed | 1645MHz | 980MHz |
| GPU Boost Clock Speed | 1759MHz | 1032MHz |
| Pixel Rate | 154.8 GPixel/s | 15.7 GPixel/s |
| GPU Memory Speed | 1400MHz | 1502MHz |
| GPU Render Output Units (ROPs) | 88 | 24 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| GPU Base Clock Speed | 1645MHz | 980MHz |
| Pixel Rate | 154.8 GPixel/s | 15.7 GPixel/s |
| FLOPS (Floating-point Performance) | 12.61 TFLOPS | 1.5 TFLOPS |
| Texture Filter Rate | 394 GTexels/s | 62.7 GTexels/s |
| GPU Memory Speed | 1400MHz | 1502MHz |
| Total GPU Shading Units | 3584 | 768 |
| Total GPU TMUs | 224 | 64 |
| GPU Boost Clock Speed | 1759MHz | 1032MHz |
| GPU Render Output Units (ROPs) | 88 | 24 |
| DPFP (Double Precision Floating Point) Support |  No
|
 Yes
|
Features
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| 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 | 3514 |
| GPU Temperature Under Load | 84°C | 56°C |
| PassMark (DirectCompute) Benchmark Result | 9456 | 1621 |
| Idle GPU Temperature | 33°C | 28°C |
| 3D Support | Yes
|
Yes
|
| Noise Level Under Load | 55.4dB | 40.1dB |
| Idle Noise Level | 40.7dB | 40.1dB |
| Idle Power Consumption | 82W | 107W |
| 3DMark Vantage Texture Fill Result | Not Known | 46.1GTexels/s |
| 3DMark Vantage Pixel Fill Result | Not Known | 5.3GPixel/s |
| Ray Tracing Support | Yes
|
No
|
| Power Consumption Under Peak Load | Not Known | 261W |
| Multi-GPU Support Count | 2 | Not Known |
| SmallLuxGPU (2.0d4) Result | Not Known | 3400 |
| No. of Supported Displays | 4 | 4 |
Ports
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| HDMI Output Support | Yes
|
Yes
|
| GPU HDMI Version | 2 | Not Known |
| DisplayPort Output | 3 | 0 |
| No. of HDMI Ports | 1 | Not Known |
| DVI Output Ports | 1 | 1 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| 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 | 325mm | 241mm |
| Height | 148mm | 111mm |
| Air-water Cooling Support | No
|
No
|
Memory
|
Zotac GeForce GTX 1080 Ti AMP! Extreme | KFA2 GeForce GTX 650 Ti Boost |
|---|---|---|
| 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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