NVIDIA GeForce GT 645M vs AMD Radeon HD 6830M
What is the difference between NVIDIA GeForce GT 645M and AMD Radeon HD 6830M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | Granville |
| N13P-GS | Model number | Granville LP |
| Kepler | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 1,270 million | Transistors | 1,040 million |
| 118 mm² | Die Size | 166 mm² |
Graphics Card
| Oct 1st, 2012 | Release Date | Jan 4th, 2011 |
| GeForce 600M | Family | Vancouver (HD 6800M) |
| End-of-life | Production | End-of-life |
| GeForce 500M | Predecessor | Manhattan |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB |
| DDR3 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 28.80 GB/s | Bandwidth | 25.60 GB/s |
Performance
| 5.672 GPixel/s | Pixel fillrate | 9.200 GPixel/s |
| 22.69 GTexel/s | Texture fillrate | 23.00 GTexel/s |
| 544.5 GFLOPS | FP32 (float) performance | 920.0 GFLOPS |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 709 MHz | GPU Clock | 575 MHz |
Render Config
| 384 | Shading Units | 800 |
| 32 | TMUs | 40 |
| 16 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 32 W | Thermal design power (TDP) | 39 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |