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2.5
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Created to compete with the Nvidia 9800GT the 4830 is priced similarly and functions at a very similar level.

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Pros

256bit VRAM interface

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adds a good option for those who want to step up from a 4670 but don't desire to pay double

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cheaper than the relatively costly 4850

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Cons

same power usage and heat output as the faster card

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artificially gimped version of the 4850

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9800 GT is not any worse when price:performance is measured

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Introduced in late October 2008 at a suggested retail price of $129, the ATI Radeon HD 4830 is a medium to high end graphics card. Created to compete with the Nvidia 9800GT the 4830 is priced similarly and functions at a very similar level. Ranked higher than the Radeon HD 4670 - a strictly middle-of-the-road option with a tight 128bit memory bus (which only allows the card to function well at lower gaming resolutions) - the 4830 shares much more in common with the older and more established 4850 (its GPU based soley on a downgraded version of the RV770)- a $200 high end gaming card that took the market by storm earlier in June.

Features
  • Fabrication Process: 55nm
  • GPU speed: 575MHz
  • VRAM Speed: 900MHz (1800MHz effectively)
  • Transistors: 956m
  • Stream processors: 640
  • Texture units: 30
  • Maximum theoretical memory bandwidth: 57.6GB/s
  • Transistors: 956 million
  • Maximum power consumption: 110W
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