AMD Radeon R5 A255 vs AMD Radeon R7 250
What is the difference between AMD Radeon R5 A255 and AMD Radeon R7 250. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | Oland |
| Topaz PRO (216-0864032) | Model number | Oland XT (215-0837000) |
| GCN 3.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,550 million | Transistors | 950 million |
| 125 mm² | Die Size | 77 mm² |
Graphics Card
| 2014 | Release Date | Oct 8th, 2013 |
| All-In-One (Rx 200) | Family | Volcanic Islands (R7 200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 73.60 GB/s |
Performance
| 7.520 GPixel/s | Pixel fillrate | 8.400 GPixel/s |
| 22.56 GTexel/s | Texture fillrate | 25.20 GTexel/s |
| 721.9 GFLOPS | FP32 (float) performance | 806.4 GFLOPS |
Clock Speeds
| 925 MHz | Base Clock | 1000 MHz |
| 940 MHz | Boost Clock | 1050 MHz |
| 1000 MHz 4 Gbps effective | Memory Clock | 1150 MHz 4.6 Gbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 8 | ROPs | 8 |
| 6 | Compute Units | 6 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | 65 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x VGA |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 5.1 |