NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R7 M260
What is the difference between NVIDIA GeForce GT 640M Mac Edition and AMD Radeon R7 M260. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | Topaz |
| N13P-GS | Model number | Topaz XT (216-0864030) |
| 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
| Feb 3rd, 2013 | Release Date | Jun 11th, 2014 |
| GeForce 600M | Family | Crystal System (R7 M200) |
| End-of-life | Production | End-of-life |
| GeForce 500M | Predecessor | Solar System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 512 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 64 bit |
| 40.00 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 5.960 GPixel/s | Pixel fillrate | 7.840 GPixel/s |
| 23.84 GTexel/s | Texture fillrate | 23.52 GTexel/s |
| 572.2 GFLOPS | FP32 (float) performance | 752.6 GFLOPS |
| 23.84 GFLOPS (1:24) | FP64 (double) performance | 47.04 GFLOPS (1:16) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 24 |
| 8 | ROPs | 8 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 128 KB | L2 Cache | 128 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 |