AMD shows DirectX-11 graphics chips for notebooks B

The top models Mobility Radeon HD 5870 and HD 5850 work with 700 MHz GPU clock and 800 stream processing units, while using their desktop counterparts in 1600 or 1440 Shader units. Also the Speicherinteface falls from 128 to 256-bit bit narrower. The medium-variant Mobility Radeon HD 5770, HD 5750 and HD 5650 running at 650 MHz and feature 400 shader units. The low-end chips, HD 5470, HD 5450 and HD 5430 come with a chip clock of 750 MHz, 80 stream processors and a 64-bit wide interface. As memory serves DDR3 and GDDR5 RAM.

The new Radeon mobility GPUs support PCI Express 2.0, Shader Model 5.0, ATI CrossfireX Technology and already from the previous series HD 4000 known video decoder (UVD), the CPU when playing Blu-ray or HD- to relieve DVD movies. In the revised Enhanced version he can now encode two 1080p video streams simultaneously. The HDMI interface with version 1.3a was also brought up to date. It can be also a digital 7.1 audio signal transfer.

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