Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition vs Nvidia GeForce GTX 645 OEM
VS
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition
Nvidia GeForce GTX 645 OEM
Key Differences
Performance
Features
Ports
General info
Memory
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition
Nvidia GeForce GTX 645 OEM
Key Differences
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1607MHz | 823MHz |
| GPU Boost Clock Speed | 1721MHz | 888MHz |
| Pixel Rate | 151.4 GPixel/s | 9.88 GPixel/s |
| GPU Memory Speed | 1402MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 88 | 16 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1607MHz | 823MHz |
| Pixel Rate | 151.4 GPixel/s | 9.88 GPixel/s |
| FLOPS (Floating-point Performance) | 12.34 TFLOPS | 0.95 TFLOPS |
| Texture Filter Rate | 385.5 GTexels/s | 39.5 GTexels/s |
| GPU Memory Speed | 1402MHz | 1000MHz |
| Total GPU Shading Units | 3584 | 576 |
| Total GPU TMUs | 224 | 48 |
| GPU Boost Clock Speed | 1721MHz | 888MHz |
| GPU Render Output Units (ROPs) | 88 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| 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 | 1977 |
| GPU Temperature Under Load | 84°C | Not Known |
| PassMark (DirectCompute) Benchmark Result | 9456 | 943 |
| Idle GPU Temperature | 33°C | Not Known |
| 3D Support | Yes
|
Yes
|
| Noise Level Under Load | 55.4dB | Not Known |
| Idle Power Consumption | 82W | Not Known |
| Idle Noise Level | 40.7dB | Not Known |
| Ray Tracing Support | Yes
|
No
|
| Multi-GPU Support Count | 2 | Not Known |
| No. of Supported Displays | 4 | 4 |
Ports
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| 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
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| 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 | 145mm |
| Height | 148mm | 111mm |
| Air-water Cooling Support | No
|
No
|
Memory
|
Zotac GeForce GTX 1080 Ti AMP! Extreme Core Edition | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| Effective Memory Clock | 11216MHz | 4000MHz |
| Max Memory Bandwidth | 493.5GB/s | 64GB/s |
| RAM | 11GB | 1GB |
| Memory Bus Interface Width | 352bit | 128bit |
| GDDR Memory Version | 5 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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