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MagyarAMD Radeon R9 390X
The AMD Radeon R9 390X is a high end desktop graphics card that was announced in summer 2015. It is based on the same chip (Hawaii, now called Grenada) as the predecessor the Radeon R9 290X with slightly increased clock rates. AMD specifies the R9 390X with a core clock of 1050 MHz and memory clock rate of 6000 MHz (effective) for the GDDR5. However, most third party vendors are using slightly higher clock rates.
The chip is based on the second generation of the GCN architecture (also called GCN 1.1) and supports DirectX 12 with Feature Level 12_0. It offers 2816 shaders, 176 TMUs, 64 ROPs and a 512 Bit GDDR5 memory system.
The similar named AMD Radeon R9 M390X for laptops is a lot slower as its based on the smaller Tonga chip with 2048 shaders and slower clock rates.
The performance is depending on the game but on average it is similar to a desktop GeForce GTX 980 (or notebook version, that is similar). Compared to the older R9 290X it is only minimally faster due to the slightly increased clock rates.
With a TDP of 275 Watt, the R9 390X is a relatively power hungry card and cant compete with the efficiency of the Nvidia counterpart.
| Manufacturer | AMD | ||||||
| R9 300 Series |
| ||||||
| Codename | Grenada XT | ||||||
| Architecture | GCN | ||||||
| Pipelines | 2816 - unified | ||||||
| Core Speed | 1050 MHz | ||||||
| Memory Speed | 6000 MHz | ||||||
| Memory Bus Width | 512 Bit | ||||||
| Memory Type | GDDR5 | ||||||
| Max. Amount of Memory | 8192 MB | ||||||
| Shared Memory | no | ||||||
| DirectX | DirectX 12 (FL 12_0) | ||||||
| Transistor Count | 6200 Million | ||||||
| technology | 28 nm | ||||||
| Features | Mantle, Eyefinity, CrossFire, PowerTune, ZeroCore, HD3D, TrueAudio, FreeSync | ||||||
| Date of Announcement | 16.06.2015 | ||||||
| Information | PCI-E 3.0, HDMI mit 4K-Support (max. 30 Hz) | ||||||
| Link to Manufacturer Page | http://www.amd.com/us/products/desktop/g... |
- Average benchmark values for this graphics card
