Radeon R9 M390X
| Manufacturer: | AMD |
| Series: | Rx M300 |
| Codename: | Amethyst XT |
| Architecture: | GCN 2 |
| Release date: | 2015. May 05. |
| Die count: | 1 |
| Die size: | 366 mm2 |
| Fab: | 28 nm |
| Transistors: | 5000 millions |
| Bus interface: | PCI-E 3.0 x16 |
Clock rates
| Core clock: | 723 MHz |
| Memory clock: | 1250 MHz |
| Effective memory clock (DDR): | 10000 MHz |
Memory
| Memory size: | 4096 MB |
| Memory bus type: | GDDR5 |
| Memory bus width: | 256 bit |
| Memory bandwidth (maximum): | 160 GB/s |
Core units
| Unified shader units: | 2048 |
| Texture mapping units (TMU): | 128 |
| Render output units (ROP): | 32 |
| Compute units: | 32 |
Supported Technologies:
| DirectX: | 12 |
| OpenGL: | 4.4 |
| OpenCL: | 2.0 |
Performance
| Pixel fillrate: | 23.1 (GP/s) |
| Texture fillrate: | 92.5 (GT/s) |
| Thermal Design Power (TDP,Max): | 100 W |
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