AMD Radeon R9 270X
The AMD Radeon R9 270X is an upper middle-class graphics card for desktop PCs, that has been presented in October 2013. It is based on the "Curacao" GPU and manufactured in 28 nanometers. The card offers 1280 shader units and a 256-bit memory interface (2 GB GDDR5, 179 GB/s).
The R9 270X uses the same chip as the older Radeon HD 7870. Curacao, former known as Pitcairn, is based on the GCN architecture and offers 1280 shaders, 80 TMUs and 32 ROPs. Compared to the HD 7870, the R9 270X clocks slightly higher at 1050 MHz for the Core (max. Boost) and 1400 MHz (5600 MHz effective) for the memory. The 270X supports DirectX 12 (FL 11_1), but lacks the new Trueaudio feature.
Depending on game and settings, the performance of the Radeon R9 270X is similar to the Nvidia GeForce GTX 760. Therefore, even the fastest mobile GPUs like the GeForce GTX 780M are outperformed slightly. Demanding games like Metro: Last Light can be played fluently in 1920 x 1080 pixels and maximum settings. In some cases, even higher resolutions or additional AA/AF are possible.
The R9 270X supports well-known features like Eyefinity, but also some innovations such as a new turbo mode. Depending on power consumption and temperature, the core can be boosted up to 1050 MHz. However, there is no offical base clock respectively a lower limit.
Thanks to dynamic clock adjustments and the Zero Core technology, the R9 270X is very energy efficient while idle. Under load, the card is rated at a typical power consumption of 180 watts.
|Pipelines||1280 - unified|
|Core Speed||1050 MHz|
|Memory Speed||5600 MHz|
|Memory Bus Width||256 Bit|
|Max. Amount of Memory||2048 MB|
|DirectX||DirectX 12 (FL 11_1)|
|Transistor Count||2800 Million|
|Features||Mantle, Eyefinity, App Acceleration, CrossFire, PowerTune, ZeroCore, HD3D|
|Date of Announcement||08.10.2013|
|Information||PCI-E 3.0, HDMI mit 4K-Support|
|Link to Manufacturer Page||http://www.amd.com/us/products/desktop/g...|
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