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Asus EAH3870X2 1GB Top Review




At OverclockersClub.com, we use a series of benchmarks to stress the graphics card. We will use a series of newer, as well as a few more seasoned, gaming benchmarks to show how well the Asus EAH3870 X2 compares to some of the performance video card offerings on the market. All driver settings and clockspeeds will be left at factory default settings on both the CPU and GPU to minimize or eliminate any variables from impacting the results. The test system used in this review is listed below. After testing the card at stock speeds, I will overclock the video card to see what kind of performance can be gained by overclocking it.


Testing Setup:

Comparison Video Cards:



Overclocked settings:

  • Asus EAH3870 X2 1GB TOP 860/1056

Overclocking the EAH3870 X2 was full of ups and down. Using the auto tune feature in the Catalyst Control Panel yielded some seriously unstable results. Was this due to immature drivers? Only time will tell. So that left the good old fashioned trial by error method of overclocking. Increaseing the memory speeds was just a simple matter of upping the speed until the drivers crashed (again with the drivers). I finally settled at a memory speed of 1056MHz, an overclock on the memory of 102MHz. Not too shabby. The GPU core clocks on the other hand really did not have much left with a core clock already at 851MHz. Anything after 862MHz was a no go and the drivers would crash the application. This was not game specific, it was 3D specific. With the final clock and memory speeds set I was able to successfully complete all of the benchmarks in our Gaming benchmark suite. The performance increase was minimal with the increase in clock speeds but it was something. Such small gains seemed to be wrong based on prior experience, so to see if the CPU was holding the card back I gave the Q6600 a small overclock to 3.0GHz to test the theory out. When the 8800GTS 640MB card I usually test with was installed, normally with an overclock on the CPU I would see an increase of at most a couple frames per second. Across several games the increase was in the neighborhood of a 25% increase. As an example in the Knights of the Sea benchmark, with the small overclock on the GPU (860MHz) and an increase of the clock speed of the processor to 3.0GHz, the average FPS increased from 38.6 FPS to 47.3 FPS. That is almost a 10 FPS gain that is left on the table at 2.4GHz on the processor. The potential is there, you just have to work for it.


  • Video:
  1. Crysis
  2. Knights of the Sea
  3. Bioshock
  4. Call of Duty 4
  5. World in Conflict
  6. Call of Jaurez
  7. 3DMark 06 Professional


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