AMD Radeon RX 640 Mobile vs AMD Radeon R9 M470
What is the difference between AMD Radeon RX 640 Mobile and AMD Radeon R9 M470. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Polaris 23 | GPU Name | Emerald |
| Polaris 23 XT | Model number | Emerald PRO |
| GCN 4.0 | Architecture | GCN 2.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 2,200 million | Transistors | 2,080 million |
| 103 mm² | Die Size | 160 mm² |
Graphics Card
| May 13th, 2019 | Release Date | May 15th, 2016 |
| Mobility Radeon (M600) | Family | Crystal System (R9 M400) |
| Active | Production | Active |
| Crystal System | Predecessor | Solar System |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 48.00 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 19.49 GPixel/s | Pixel fillrate | 16.00 GPixel/s |
| 48.72 GTexel/s | Texture fillrate | 48.00 GTexel/s |
| 1.559 TFLOPS | FP32 (float) performance | 1.536 TFLOPS |
| 97.44 GFLOPS (1:16) | FP64 (double) performance | 96.00 GFLOPS (1:16) |
Clock Speeds
| 1082 MHz | Base Clock | 900 MHz |
| 1218 MHz | Boost Clock | 1000 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 640 | Shading Units | 768 |
| 40 | TMUs | 48 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 12 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| 50 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 6.3 |