AMD Radeon R5 A255 vs AMD Radeon R5 M445
What is the difference between AMD Radeon R5 A255 and AMD Radeon R5 M445. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | Meso |
| Topaz PRO (216-0864032) | Model number | Meso XT (216-0867030) |
| 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 | 2016 |
| All-In-One (Rx 200) | Family | Crystal System (R5 M400) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 64.00 GB/s | Bandwidth | 32.00 GB/s |
Performance
| 7.520 GPixel/s | Pixel fillrate | 7.360 GPixel/s |
| 22.56 GTexel/s | Texture fillrate | 22.08 GTexel/s |
| 721.9 GFLOPS | FP32 (float) performance | 706.6 GFLOPS |
Clock Speeds
| 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 | 128 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 | 6.0 |