AMD Radeon 550 vs AMD Radeon RX 550X
What is the difference between AMD Radeon 550 and AMD Radeon RX 550X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | Lexa |
| Lexa PRO (215-0904018) | 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 20th, 2017 | Release Date | Dec 16th, 2018 |
| Polaris (RX 500) | Family | Polaris (RX 500X) |
| Active | Production | Active |
| Arctic Islands | Predecessor | Polaris |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 56.00 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 18.93 GPixel/s | Pixel fillrate | 18.93 GPixel/s |
| 37.86 GTexel/s | Texture fillrate | 37.86 GTexel/s |
| 1,211 GFLOPS (1:1) | FP16 (half) performance | 1,211 GFLOPS (1:1) |
| 1,211 GFLOPS | FP32 (float) performance | 1,211 GFLOPS |
| 75.71 GFLOPS (1:16) | FP64 (double) performance | 75.71 GFLOPS (1:16) |
Clock Speeds
| 1100 MHz | Base Clock | 1100 MHz |
| 1183 MHz | Boost Clock | 1183 MHz |
| 1750 MHz 7 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 512 | Shading Units | 512 |
| 32 | TMUs | 32 |
| 16 | ROPs | 16 |
| 8 | Compute Units | 8 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 145 mm 5.7 inches | Length | 145 mm 5.7 inches |
| 50 W | Thermal design power (TDP) | 50 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | None |
| D090-01 | Board Number | D090 |
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 |