NVIDIA GeForce GTX 580M vs NVIDIA GeForce GTX 645 OEM
What is the difference between NVIDIA GeForce GTX 580M and NVIDIA GeForce GTX 645 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF114 | GPU Name | GK106 |
| N12E-GTX2-A1 | Model number | GK106-200-A1 |
| Fermi 2.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,950 million | Transistors | 2,540 million |
| 332 mm² | Die Size | 221 mm² |
Graphics Card
| Jun 28th, 2011 | Release Date | Apr 22nd, 2013 |
| GeForce 500M | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| GeForce 400M | Predecessor | GeForce 500 |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 96.00 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 9.920 GPixel/s | Pixel fillrate | 9.888 GPixel/s |
| 39.68 GTexel/s | Texture fillrate | 39.55 GTexel/s |
| 952.3 GFLOPS | FP32 (float) performance | 949.2 GFLOPS |
| 79.36 GFLOPS (1:12) | FP64 (double) performance | 39.55 GFLOPS (1:24) |
Clock Speeds
| 750 MHz 3 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 620 MHz | GPU Clock | 824 MHz |
Render Config
| 384 | Shading Units | 576 |
| 64 | TMUs | 48 |
| 32 | ROPs | 16 |
| 64 KB (per SM) | L1 Cache | 16 KB (per SMX) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | Single-slot |
| 100 W | Thermal design power (TDP) | 65 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | None |
| P1314 | Board Number | P2010 SKU 20 |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.1 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |
| 2.1 | CUDA | 3.0 |