AMD Radeon R5 A255 vs AMD Radeon R6 M255DX
What is the difference between AMD Radeon R5 A255 and AMD Radeon R6 M255DX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | Jet |
| Topaz PRO (216-0864032) | Model number | Jet PRO (216-0568010) |
| GCN 3.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,550 million | Transistors | 690 million |
| 125 mm² | Die Size | 56 mm² |
Graphics Card
| 2014 | Release Date | Jan 7th, 2014 |
| All-In-One (Rx 200) | Family | Crystal System (Rx M200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | IGP |
Memory
| 1024 MB | Memory Size | System Shared |
| GDDR5 | Memory Type | System Shared |
| 128 bit | Memory Bus | System Shared |
| 64.00 GB/s | Bandwidth | System Dependent |
Performance
| 7.520 GPixel/s | Pixel fillrate | 6.840 GPixel/s |
| 22.56 GTexel/s | Texture fillrate | 17.10 GTexel/s |
| 721.9 GFLOPS | FP32 (float) performance | 547.2 GFLOPS |
Clock Speeds
| 925 MHz | Base Clock | 780 MHz |
| 940 MHz | Boost Clock | 855 MHz |
| 1000 MHz 4 Gbps effective | Memory Clock | System Shared |
Render Config
| 384 | Shading Units | 320 |
| 24 | TMUs | 20 |
| 8 | ROPs | 8 |
| 6 | Compute Units | 5 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 128 KB |
Board Design
| unknown | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
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 |