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PowerColor HD5770 Crossfire Review

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Testing of the PowerColor HD5770 video card by itself as well as in a CrossFireX setup will consist of running the cards through the OverclockersClub.com suite of games and synthetic benchmarks. This will test the performance against many popular competitors. Comparisons will be made to cards of equal and greater capabilities to show where the performance of these cards stand. The games used are some of today's newest and most popular titles to give you an idea on how the cards perform relative to each other. The system specifications will remain the same throughout the testing. No adjustment will be made to the respective control panels during the testing with the exception of the 3DMark Vantage testing where PhysX will be disabled in the NVIDIA control panel. I will test the card at stock speeds, then overclocked in order to see how much additional performance is available and to determine if it can run with the current fastest single GPU cards on the market. The drivers used in this test will be the 10.10 Catalyst drivers for the old ATI lineup, the latest launch driver for the HD 68XX series and 260.89 Forceware drivers from NVIDIA for the GTX 480, 470, 465 and GTX 460 and 450. Tests will be conducted at both stock and overclocked settings to gauge performance when an increase in clock speed is applied.

Comparison Video Cards:



  • PowerColor HD5770 930 MHz/1330 MHz
  • PowerColor HD5770 CrossFire 910 MHz/1320 MHz

When it came down to overclocking the PowerColor HD5770, it was really quite simple. Using the MSI Afterburer utility, I began raising the clock speeds of the card up until it reached an unstable setting. I would start out by raising the GPU core by 10 MHz at a time and run MSI Kombustor for around 10-15 minutes to ensure it was stable enough to pass some the benchmarks that I was about to throw at it. Once it became unstable, I would lower the clock speed to the last known stable clock then begin on the memory and repeat the process. The first card that I used came out to be stable at 930/1330MHz for the GPU core and memory. However, once I threw the second card in, it was unable to keep up. This meant that I would have to repeat the process once again to find the maximum stable clock speeds for the CrossFire setup, which came out to be 910/1320 MHz for the GPU core and memory. 



Maximum Clock Speeds:

MSI's Kombuster utility was used to test stability and to put a constant load on the GPU for the purposes of testing maximum power draw and temperatures. The stability test was used to find a range of settings that are stable.  The stable condition was determined through a 15 minute run at 1920 x 1200 8xAA. The reported clock speeds are those that proved stable over a 15 minute test at 1920 x 1200, 8x AA and the run through the benchmarks suite.



  • Gaming Tests:
  1. Far Cry 2
  2. Metro 2033
  3. Crysis Warhead
  4. Call of Duty Modern Warfare 2
  5. Just Cause 2
  6. Unigine Heaven Benchmark 2.0
  7. Batman: Arkham Asylum
  8. Resident Evil 5
  9. 3DMark 06 Professional
  10. 3DMark Vantage
  • Usage:
  1. Temperature
  2. Power Consumption


The maximum clock speed graphs above show the overclocking potential of the all cards tested.

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