AMD Radeon RX 550 512SP vs ATI Radeon HD 4890
What is the difference between AMD Radeon RX 550 512SP and ATI Radeon HD 4890. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Baffin | GPU Name | RV790 |
| Baffin LE | Model number | RV790 XT (215-0758016) |
| GCN 4.0 | Architecture | TeraScale |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 55 nm |
| 3,000 million | Transistors | 959 million |
| 123 mm² | Die Size | 282 mm² |
Graphics Card
| Oct 13th, 2017 | Release Date | Apr 2nd, 2009 |
| Polaris (RX 500) | Family | Radeon R700 (HD 4800) |
| Active | Production | End-of-life |
| 79 USD | Launch Price | 249 USD |
| Arctic Islands | Predecessor | Radeon R600 |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 96.00 GB/s | Bandwidth | 124.8 GB/s |
Performance
| 17.14 GPixel/s | Pixel fillrate | 13.60 GPixel/s |
| 34.27 GTexel/s | Texture fillrate | 34.00 GTexel/s |
| 1,097 GFLOPS | FP32 (float) performance | 1,360 GFLOPS |
| 68.54 GFLOPS (1:16) | FP64 (double) performance | 272.0 GFLOPS (1:5) |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 975 MHz 3.9 Gbps effective |
Render Config
| 512 | Shading Units | 800 |
| 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 | 241 mm 9.5 inches |
| 50 W | Thermal design power (TDP) | 190 W |
| 250 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x S-Video |
| None | Power Connectors | 2x 6-pin |
| D090-01 | Board Number | B790-31 |
API support
| 12 (12_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 2.1 | OpenCL | 1.1 |
| 1.2 | Vulkan | N/A |
| 6.4 | Shader Model | 4.1 |