GeForce GTX 645 OEM
| Manufacturer: | NVIDIA |
| Series: | GeForce 600 |
| Codename: | GK106 |
| Release date: | 2013. April 21. |
| Die count: | 1 |
| Die size: | 221 mm2 |
| Fab: | 28 nm |
| Transistors: | 2540 millions |
| Bus interface: | PCI-E 3.0 x16 |
Clock rates
| Core clock: | 823 MHz |
| Core clock (Boost): | 888 MHz |
| Shader clock: | 823 MHz |
| Memory clock: | 1000 MHz |
| Effective memory clock (DDR): | 8000 MHz |
Memory
| Memory size: | 1024 MB |
| Memory bus type: | GDDR5 |
| Memory bus width: | 128 bit |
| Memory bandwidth (maximum): | 64 GB/s |
Core units
| Unified shader units: | 576 |
| Texture mapping units (TMU): | 48 |
| Render output units (ROP): | 16 |
| SM count: | 3 |
Supported Technologies:
| DirectX: | 11 | ||
| OpenGL: | 4.5 | ||
| OpenCL: | 1.1 | ||
| NVIDIA PhysX, NVIDIA Surround, NVIDIA FXAA, NVIDIA TXAA, NVIDIA Adaptive Vertical Sync, NVIDIA® 3D Vision® Ready | |||
Performance
| Pixel fillrate: | 14.16 (GP/s) |
| Texture fillrate: | 39.5 (GT/s) |
| Thermal Design Power (TDP,Max): | 64 W |
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