NVIDIA GeForce GT 645M vs AMD Radeon R7 M260DX
What is the difference between NVIDIA GeForce GT 645M and AMD Radeon R7 M260DX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | Topaz |
| N13P-GS | Model number | Topaz PRO (216-0864032) |
| Kepler | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,270 million | Transistors | 1,550 million |
| 118 mm² | Die Size | 125 mm² |
Graphics Card
| Oct 1st, 2012 | Release Date | Oct 12th, 2014 |
| GeForce 600M | Family | Crystal System (Rx M200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | IGP |
Memory
| 2 GB | Memory Size | System Shared |
| DDR3 | Memory Type | System Shared |
| 128 bit | Memory Bus | System Shared |
| 28.80 GB/s | Bandwidth | System Dependent |
Performance
| 5.672 GPixel/s | Pixel fillrate | 7.520 GPixel/s |
| 22.69 GTexel/s | Texture fillrate | 22.56 GTexel/s |
| 544.5 GFLOPS | FP32 (float) performance | 721.9 GFLOPS |
| 22.69 GFLOPS (1:24) | FP64 (double) performance | 45.12 GFLOPS (1:16) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | System Shared |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 24 |
| 16 | ROPs | 8 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 32 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.0 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |