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Sapphire HD4850 Review



The Sapphire HD4850 utilizes ATI's design of its newest core using a 55nm manufacturing technology, the RV770 using 512MB of GDDR3 memory. I had expected to see some great numbers from the new card, however what I saw was way beyond what I expected. The stock benchmarking scores of the HD4850 beat the 9800 a few times and got beat a few times by it. However, once the Sapphire HD4850's core was overclocked to 670MHz and the memory was pushed all the way up to 1100MHz, it was able to compete with the competition's newest card, the GTX 280. When the card was overclocked, unlike the PowerColor HD4850, the temperatures of the GPU were sitting around 82-86 degrees Celsius under load, while these temperatures are not very good and are quite high, I felt that they were safe enough for me to be able to run some benchmarks. The single slot cooling solution is both a good thing as well as a bad thing; while it saves space inside the case it also is not going to be able to cool the card quite as well as a dual slot cooling solution. I would not be running the card at these speeds with the stock cooling solution. If you are a gamer, you know how hard it is to keep getting great frame rates while taking advantage of the high game settings that are out there. I would suggest picking up and trying a Sapphire HD4850; especially at the price, you should be able to pick up a few of them to get the best scores you possibly can.  



  • Price
  • Performance
  • HDTV connectivity
  • 55nm manufacturing technology
  • CrossfireX support



  • Temperatures
  • Single slot cooling solution


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