AMD Radeon RX 580 Mobile vs AMD Radeon RX 580X Mobile
What is the difference between AMD Radeon RX 580 Mobile and AMD Radeon RX 580X Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Polaris 20 | GPU Name | Polaris 20 |
| Polaris 20M XT | Model number | Polaris 20M XT |
| GCN 4.0 | Architecture | GCN 4.0 |
| GlobalFoundries | Foundry | GlobalFoundries |
| 14 nm | Process Size | 14 nm |
| 5,700 million | Transistors | 5,700 million |
| 232 mm² | Die Size | 232 mm² |
Graphics Card
| Apr 18th, 2017 | Release Date | Apr 11th, 2018 |
| Mobility Radeon (RX M500) | Family | Mobility Radeon (RX M500X) |
| Active | Production | Active |
| Crystal System | Predecessor | Crystal System |
| MXM-B (3.0) | Bus Interface | MXM-B (3.0) |
Memory
| 8 GB | Memory Size | 8 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 256.0 GB/s | Bandwidth | 256.0 GB/s |
Performance
| 34.46 GPixel/s | Pixel fillrate | 34.46 GPixel/s |
| 155.1 GTexel/s | Texture fillrate | 155.1 GTexel/s |
| 4.963 TFLOPS (1:1) | FP16 (half) performance | 4.963 TFLOPS (1:1) |
| 4.963 TFLOPS | FP32 (float) performance | 4.963 TFLOPS |
| 310.2 GFLOPS (1:16) | FP64 (double) performance | 310.2 GFLOPS (1:16) |
Clock Speeds
| 1000 MHz | Base Clock | 1000 MHz |
| 1077 MHz | Boost Clock | 1077 MHz |
| 2000 MHz 8 Gbps effective | Memory Clock | 2000 MHz 8 Gbps effective |
Render Config
| 2304 | Shading Units | 2304 |
| 144 | TMUs | 144 |
| 32 | ROPs | 32 |
| 36 | Compute Units | 36 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 2 MB |
Board Design
| MXM Module | Slot Width | MXM Module |
| 100 W | Thermal design power (TDP) | 100 W |
| No outputs | Display Connectors | No outputs |
| None | Power Connectors | None |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 2.1 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 6.4 |