Radeon R9 285
| Manufacturer: | AMD |
| Series: | Rx 200 |
| Codename: | Tonga PRO |
| Architecture: | GCN 2 |
| Release date: | 2014. September 02. |
| Die count: | 1 |
| Die size: | 359 mm2 |
| Fab: | 28 nm |
| Transistors: | 5000 millions |
| Bus interface: | PCI-E 3.0 x16 |
Clock rates
| Core clock: | 918 MHz |
| Memory clock: | 1375 MHz |
| Effective memory clock (DDR): | 11000 MHz |
Memory
| Memory size: | 4096, 2048 MB |
| Memory bus type: | GDDR5 |
| Memory bus width: | 256 bit |
| Memory bandwidth (maximum): | 176 GB/s |
Core units
| Unified shader units: | 1792 |
| Texture mapping units (TMU): | 112 |
| Render output units (ROP): | 32 |
| Compute units: | 28 |
Supported Technologies:
| DirectX: | 12 | ||
| OpenGL: | 4.4 | ||
| OpenCL: | 1.2 | ||
| AMD Eyefinity, AMD CrossFire™, AMD TrueAudio | |||
Performance
| Pixel fillrate: | 29.4 (GP/s) |
| Texture fillrate: | 102.8 (GT/s) |
| Thermal Design Power (TDP,Max): | 190 W |
| Release price (USD): | 250 USD |
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