ATI Radeon HD 4860 vs AMD Radeon R7 250
What is the difference between ATI Radeon HD 4860 and AMD Radeon R7 250. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV790 | GPU Name | Oland |
| RV790 GT | Model number | Oland XT (215-0837000) |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 959 million | Transistors | 950 million |
| 282 mm² | Die Size | 77 mm² |
Graphics Card
| Sep 9th, 2009 | Release Date | Oct 8th, 2013 |
| 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 x8 |
Memory
| 512 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 96.00 GB/s | Bandwidth | 73.60 GB/s |
Performance
| 11.20 GPixel/s | Pixel fillrate | 8.400 GPixel/s |
| 22.40 GTexel/s | Texture fillrate | 25.20 GTexel/s |
| 896.0 GFLOPS | FP32 (float) performance | 806.4 GFLOPS |
| 179.2 GFLOPS (1:5) | FP64 (double) performance | 50.40 GFLOPS (1:16) |
Clock Speeds
| 750 MHz 3 Gbps effective | Memory Clock | 1150 MHz 4.6 Gbps effective |
Render Config
| 640 | Shading Units | 384 |
| 32 | TMUs | 24 |
| 16 | ROPs | 8 |
| 8 | Compute Units | 6 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 130 W | Thermal design power (TDP) | 65 W |
| 300 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 1x DVI 1x HDMI 1x VGA |
| 2x 6-pin | Power Connectors | None |
| B932 | Board Number | C576, C662 |
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 |