Radeon R5 M255
| Manufacturer: | AMD |
| Series: | Rx M200 |
| Codename: | Topaz PRO |
| Release date: | 2014. October 12. |
| Die count: | 1 |
| Die size: | 77 mm2 |
| Fab: | 28 nm |
| Bus interface: | PCI-E 3.0 x16 |
Clock rates
| Core clock: | 925 MHz |
| Core clock (Boost): | 940 MHz |
| Memory clock: | 1000 MHz |
| Effective memory clock (DDR): | 8000 MHz |
Memory
| Memory size: | 1024 MB |
| Memory bus type: | GDDR5 |
| Memory bus width: | 128 bit |
| Memory bandwidth (maximum): | 64 GB/s |
Core units
| Unified shader units: | 384 |
| Texture mapping units (TMU): | 24 |
| Render output units (ROP): | 8 |
| Compute units: | 6 |
Supported Technologies:
| DirectX: | 12 |
| OpenGL: | 4.3 |
| OpenCL: | 1.2 |
Performance
| Pixel fillrate: | 7.4 (GP/s) |
| Texture fillrate: | 22.2 (GT/s) |
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