AMD Radeon RX 550X vs AMD Radeon R7 250X
What is the difference between AMD Radeon RX 550X and AMD Radeon R7 250X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | Cape Verde |
| Lexa PRO (215-0904018) | Model number | Cape Verde XT |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 2,200 million | Transistors | 1,500 million |
| 103 mm² | Die Size | 123 mm² |
Graphics Card
| Dec 16th, 2018 | Release Date | Feb 13th, 2014 |
| Polaris (RX 500X) | Family | Volcanic Islands (R7 200) |
| Active | Production | End-of-life |
| Polaris | Predecessor | Sea Islands |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 96.00 GB/s | Bandwidth | 72.00 GB/s |
Performance
| 18.93 GPixel/s | Pixel fillrate | 15.20 GPixel/s |
| 37.86 GTexel/s | Texture fillrate | 38.00 GTexel/s |
| 1,211 GFLOPS | FP32 (float) performance | 1,216 GFLOPS |
| 75.71 GFLOPS (1:16) | FP64 (double) performance | 76.00 GFLOPS (1:16) |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 1125 MHz 4.5 Gbps effective |
Render Config
| 512 | Shading Units | 640 |
| 32 | TMUs | 40 |
| 16 | ROPs | 16 |
| 8 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 145 mm 5.7 inches | Length | 210 mm 8.3 inches |
| 50 W | Thermal design power (TDP) | 80 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 1x 6-pin |
| D090 | Board Number | C441, C698 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |