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Sapphire HD 7870 Review

tacohunter52    -   May 1, 2012
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Testing:

Testing of Sapphire HD 7870 will consist of running it and the comparison cards through the OverclockersClub.com suite of games and synthetic benchmarks. This will test the performance of the video card against many popular competitors. Comparisons will be made to cards of equal and greater capabilities to show where they each fall on the performance ladder using games that are some of today's newest and most popular titles, which will provide an idea of how the cards perform relative to each other.

The system specifications 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, if applicable. The card will first be tested at stock speeds and then overclocked to see the following effects. The cards will be placed in order from highest to lowest performing in the graphs to show where they fall by comparison. The drivers used are the 11.12 Catalyst drivers for AMD-based cards, with the exception being the new HD 7700 series that have been tested with the latest AMD press release performance driver. The 290.53 drivers for NVIDIA-based cards are used for the testing.

 

Comparison Video Cards:

 

Overclocking:

  • Sapphire HD 7870 2GB Core 1257MHz Memory 1331MHz

Overclocking this card was fairly easy. With a stock clock of already 50MHz over the 1GHz mark, I wasn't expecting the card to have much headroom for overclocking in the first place. However, I was able to achieve an overclock of over 200MHz for the core clock. This resulted in a final clock speed of 1257MHz. As for the memory I was able to bring it up to 1331MHz, not too bad for a video card!

 

 

Maximum Clock Speeds:

Testing for the maximum clock speed consists of looping Unigine 2.5 for 30 minutes each to see where the clock speeds fail when pushed. If the clock speed adjustment fails, then the clock speeds and tests are rerun until they pass a full hour of testing.

 

 

 

 

  • Gaming Tests:
  1. Metro 2033
  2. Batman: Arkham City
  3. Battlefield 3
  4. Unigine Heaven Benchmark 2.5
  5. Dirt 3
  6. Mafia II
  7. 3DMark 11
  • Usage:
  1. Temperature
  2. Power Consumption



  1. Introduction & Closer Look
  2. Closer Look: Sapphire HD 7870
  3. Specifications & Features: Sapphire
  4. Testing: Setup & Overclocking
  5. Testing: Metro 2033
  6. Testing: Batman: Arkham City
  7. Testing: Battlefield 3
  8. Testing: Unigine Heaven Benchmark 2.5
  9. Testing: Dirt 3
  10. Testing: Mafia II
  11. Testing: 3Dmark 11
  12. Testing: Temperatures
  13. Testing: Power Consumption
  14. Conclusion
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