AMD Radeon R7 A260 vs NVIDIA GeForce GT 640M Mac Edition
What is the difference between AMD Radeon R7 A260 and NVIDIA GeForce GT 640M Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | GK107 |
| Topaz XT (216-0864030) | Model number | N13P-GS |
| GCN 3.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,550 million | Transistors | 1,270 million |
| 125 mm² | Die Size | 118 mm² |
Graphics Card
| 2014 | Release Date | Feb 3rd, 2013 |
| All-In-One (Rx 200) | Family | GeForce 600M |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 57.60 GB/s | Bandwidth | 40.00 GB/s |
Performance
| 7.840 GPixel/s | Pixel fillrate | 5.960 GPixel/s |
| 23.52 GTexel/s | Texture fillrate | 23.84 GTexel/s |
| 752.6 GFLOPS | FP32 (float) performance | 572.2 GFLOPS |
Clock Speeds
| 900 MHz 3.6 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 32 |
| 8 | ROPs | 8 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 128 KB |
Board Design
| unknown | Thermal design power (TDP) | 32 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 6.3 | Shader Model | 5.1 |