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AMD's 4800-series cards, namely the AMD ATI Radeon HD 4850, AMD ATI Radeon HD 4870 and AMD ATI Radeon HD 4870 X2, have done a fantastic job of giving nVidia a run for its money in the high end GPU market, since their launch. Now the AMD ATI Radeon HD4670 and AMD ATI Radeon HD 4650 are here to give nVidia's mid range offerings a similar run for their money - or at least, that seems to be the plan.

Both cards have a few specs in common as such:

• 55nm manufacturing process
• 320 stream processors
• Eight ROPs
• 32 texture units
• DirectX 10.1 support

In a stroke of genius, both cards have low enough power draws not to need a supplementary connector and are single slow solutions - with quiet fans apparently, which is always a good thing.

Clock speeds and memory configurations line as follows:

AMD ATI Radeon HD 4670

• 750MHz core clock
• 256-bit DDR3 memory interface
• 512MG/1GB configurations
• 2,000MHz memory clock

AMD ATI Radeon HD 4650

• 600MHz core clock
• 128-bit DDR2 memory interface
• 512MB RAM
• 1,000MHz memory clock

UK pricing isn't available yet, but going by the US$ MSRPs we can expect the 4670 to sit at around the £55-60 mark with the 4650 hitting about £45-50. Given this is supposed to be a hard launch, retailers should answer that question for us with in the next few days.

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