NVIDIA GeForce GTX 670MX vs AMD Radeon RX 640 Mobile
What is the difference between NVIDIA GeForce GTX 670MX and AMD Radeon RX 640 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Polaris 23 |
| N13E-GR-A2 | Model number | Polaris 23 XT |
| Kepler | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 3,540 million | Transistors | 2,200 million |
| 294 mm² | Die Size | 103 mm² |
Graphics Card
| Oct 1st, 2012 | Release Date | May 13th, 2019 |
| GeForce 600M | Family | Mobility Radeon (M600) |
| End-of-life | Production | Active |
| GeForce 500M | Predecessor | Crystal System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 3 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 192 bit | Memory Bus | 64 bit |
| 67.20 GB/s | Bandwidth | 48.00 GB/s |
Performance
| 12.02 GPixel/s | Pixel fillrate | 19.49 GPixel/s |
| 48.08 GTexel/s | Texture fillrate | 48.72 GTexel/s |
| 1,154 GFLOPS | FP32 (float) performance | 1.559 TFLOPS |
| 48.08 GFLOPS (1:24) | FP64 (double) performance | 97.44 GFLOPS (1:16) |
Clock Speeds
| 700 MHz 2.8 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 960 | Shading Units | 640 |
| 80 | TMUs | 40 |
| 24 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 384 KB | L2 Cache | 512 KB |
Board Design
| 75 W | Thermal design power (TDP) | 50 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.1 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.4 |