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The tech behind AMD's A-Series Fusion chips

AMD Llano
AMD's new A-Series chips feature four cores plus DirectX-11 capable graphics

AMD has delivered its second Fusion processor – combining four CPU cores with powerful HD graphics on the same chip. The new Sabine platform, which the A-Series is part of, kills Intel's Sandy Bridge on graphics performance in midrange laptops. We've tested it, but what's the tech behind it?

The A-Series – previously codenamed as Llano - is what AMD refers to as an APU – an Accelerated Processing Unit. It's a combination of the CPU and GPU, just as Sandy Bridge is, but AMD's graphics experience (gained from its 2006 takeover of ATI) really begins to tell.