ATI Radeon HD 4890 vs AMD Radeon R7 250XE
What is the difference between ATI Radeon HD 4890 and AMD Radeon R7 250XE. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV790 | GPU Name | Cape Verde |
| RV790 XT (215-0758016) | Model number | Cape Verde XT |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 959 million | Transistors | 1,500 million |
| 282 mm² | Die Size | 123 mm² |
Graphics Card
| Apr 2nd, 2009 | Release Date | Aug 21st, 2014 |
| Radeon R700 (HD 4800) | Family | Volcanic Islands (R7 200) |
| End-of-life | Production | End-of-life |
| Radeon R600 | Predecessor | Sea Islands |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 124.8 GB/s | Bandwidth | 72.00 GB/s |
Performance
| 13.60 GPixel/s | Pixel fillrate | 13.76 GPixel/s |
| 34.00 GTexel/s | Texture fillrate | 34.40 GTexel/s |
| 1,360 GFLOPS | FP32 (float) performance | 1,101 GFLOPS |
| 272.0 GFLOPS (1:5) | FP64 (double) performance | 68.80 GFLOPS (1:16) |
Clock Speeds
| 975 MHz 3.9 Gbps effective | Memory Clock | 1125 MHz 4.5 Gbps effective |
| 850 MHz | GPU Clock | 860 MHz |
Render Config
| 800 | 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 | 256 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 190 W | Thermal design power (TDP) | 80 W |
| 450 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 1x DVI 1x HDMI 1x VGA |
| 2x 6-pin | Power Connectors | None |
API support
| 10.1 (10_1) | DirectX | 12 (11_1) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 5.1 |