AMD Radeon 550X Mobile vs AMD Radeon RX 550 Mobile
What is the difference between AMD Radeon 550X Mobile and AMD Radeon RX 550 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Polaris 23 | GPU Name | Lexa |
| Polaris 23 MXT | Model number | Lexa PRO (215-0904018) |
| GCN 4.0 | Architecture | GCN 4.0 |
| GlobalFoundries | Foundry | GlobalFoundries |
| 14 nm | Process Size | 14 nm |
| 2,200 million | Transistors | 2,200 million |
| 103 mm² | Die Size | 103 mm² |
Graphics Card
| Apr 11th, 2018 | Release Date | Jul 2nd, 2017 |
| Mobility Radeon (M500X) | Family | Mobility Radeon (RX M500) |
| Active | Production | Active |
| Crystal System | Predecessor | Crystal System |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 48.00 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 20.59 GPixel/s | Pixel fillrate | 20.59 GPixel/s |
| 51.48 GTexel/s | Texture fillrate | 51.48 GTexel/s |
| 1.647 TFLOPS (1:1) | FP16 (half) performance | 1.647 TFLOPS (1:1) |
| 1.647 TFLOPS | FP32 (float) performance | 1.647 TFLOPS |
| 103.0 GFLOPS (1:16) | FP64 (double) performance | 103.0 GFLOPS (1:16) |
Clock Speeds
| 1100 MHz | Base Clock | 1100 MHz |
| 1287 MHz | Boost Clock | 1287 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 640 | Shading Units | 640 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| IGP | Slot Width | IGP |
| 50 W | Thermal design power (TDP) | 50 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 |