AMD Radeon R5 A255 vs AMD Radeon R5 M255
What is the difference between AMD Radeon R5 A255 and AMD Radeon R5 M255. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | Topaz |
| Topaz PRO (216-0864032) | Model number | Topaz PRO (216-0864032) |
| GCN 3.0 | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,550 million | Transistors | 1,550 million |
| 125 mm² | Die Size | 125 mm² |
Graphics Card
| 2014 | Release Date | Oct 12th, 2014 |
| All-In-One (Rx 200) | Family | Crystal System (R5 M200) |
| 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 | 64.00 GB/s |
Performance
| 7.520 GPixel/s | Pixel fillrate | 7.520 GPixel/s |
| 22.56 GTexel/s | Texture fillrate | 22.56 GTexel/s |
| 721.9 GFLOPS | FP32 (float) performance | 721.9 GFLOPS |
Clock Speeds
| 925 MHz | Base Clock | 925 MHz |
| 940 MHz | Boost Clock | 940 MHz |
| 1000 MHz 4 Gbps effective | Memory Clock | 1000 MHz 4 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) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.3 |