Zotac GeForce RTX 2080 Super Twin Fan vs Nvidia GeForce GTX 645 OEM
VS
Zotac GeForce RTX 2080 Super Twin Fan
Nvidia GeForce GTX 645 OEM
Key Differences
Performance
Features
Ports
General info
Memory
Zotac GeForce RTX 2080 Super Twin Fan
Nvidia GeForce GTX 645 OEM
Key Differences
|
Zotac GeForce RTX 2080 Super Twin Fan | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 823MHz |
| GPU Boost Clock Speed | 1815MHz | 888MHz |
| Pixel Rate | 116.2 GPixel/s | 9.88 GPixel/s |
| GPU Memory Speed | 1937MHz | 1000MHz |
| GPU Render Output Units (ROPs) | 64 | 16 |
| No. of Supported Displays | 4 | 4 |
Performance
|
Zotac GeForce RTX 2080 Super Twin Fan | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| GPU Base Clock Speed | 1650MHz | 823MHz |
| Pixel Rate | 116.2 GPixel/s | 9.88 GPixel/s |
| FLOPS (Floating-point Performance) | 11.15 TFLOPS | 0.95 TFLOPS |
| GPU Memory Speed | 1937MHz | 1000MHz |
| Texture Filter Rate | 348.5 GTexels/s | 39.5 GTexels/s |
| Total GPU Shading Units | 3072 | 576 |
| Total GPU TMUs | 192 | 48 |
| GPU Boost Clock Speed | 1815MHz | 888MHz |
| GPU Render Output Units (ROPs) | 64 | 16 |
| DPFP (Double Precision Floating Point) Support |  No
|
No
|
Features
|
Zotac GeForce RTX 2080 Super Twin Fan | 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
|
| GPU Temperature Under Load | 77°C | Not Known |
| Idle GPU Temperature | 30°C | Not Known |
| Noise Level Under Load | 46.5dB | Not Known |
| 3D Support | Yes
|
Yes
|
| Idle Power Consumption | 54W | Not Known |
| Idle Noise Level | 40.3dB | Not Known |
| Multi-GPU Support Count | 2 | Not Known |
| No. of Supported Displays | 4 | 4 |
| PassMark (G3D) Score | Not Known | 1977 |
| PassMark (DirectCompute) Benchmark Result | Not Known | 943 |
| Ray Tracing Support | No
|
No
|
Ports
|
Zotac GeForce RTX 2080 Super Twin Fan | 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 | 0 | 2 |
| Mini DisplayPort Output | 0 | 0 |
General info
|
Zotac GeForce RTX 2080 Super Twin Fan | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| TDP (Thermal Design Point) | No Data Found | No Data Found |
| Transistor Count | 13600 million | 2540 million |
| Semiconductor Size | 12nm | 28nm |
| PCI Express Version | 3 | 3 |
| Dual-GPU Support | No
|
No
|
| Air-water Cooling Support | No
|
No
|
| Width Size | 268mm | 145mm |
| Height | 113mm | 111mm |
Memory
|
Zotac GeForce RTX 2080 Super Twin Fan | Nvidia GeForce GTX 645 OEM |
|---|---|---|
| Effective Memory Clock | 15496MHz | 4000MHz |
| Max Memory Bandwidth | 496GB/s | 64GB/s |
| RAM | 8GB | 1GB |
| Memory Bus Interface Width | 256bit | 128bit |
| GDDR Memory Version | 6 | 5 |
| ECC (Error-Correcting Code) Memory Support | No
|
No
|
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