ASUS Crosshair IV Extreme The Ultimate AM3 Board

Published by Christian Ney on 26.01.11
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Lucid HydraLogix

The Hydra 200 chip is a PCIe contoller like the NF200 from nVidia, but it has a little processor that can execute instructions. Thanks to the drivers, the chip can spread graphics tasks to the different GPUs. That's why it  is able to operate with graphics cards from different manufacturers.



Lucid HydraLogix Driver 1.7.104a
nVidia FW 260.99
ATI CCC 10.12
We were able to use SLI on this board using the SLI Patch from xdevs.com

3DMark06

3DMark 06 Total Marks Percent
GTX 285 + 2 x GTX 275 CrossLinx 19'561 115.29 %
2 x GTX 275 CrossLinx 19'345 114.02 %
GTX 285 + GTX 275 CrossLinx 19'339 113.98 %
HD 6850 + 2 x GTX 275 CrossLinx 19'249 113.45 %
GTX 275 + GTX 285 CrossLinx 19'176 113.02 %
HD 6850 + GTX 275 CrossLinx 19'111 112.64 %
GTX 275 + HD 6850 CrossLinx 18'952 111.70 % 
2 x GTX 275 SLI 18'643 109.88 %
HD 6850 18'290 109.88 % 
GTX 285 17'317 102.69 %
GTX 275 16'966 100.00 %
  Higher is better


3DMark Vantage

3DMark Vantage GPU Marks Percent
GTX 285 + 2 x GTX 275 CrossLinx 24'247 220.13 %
HD 6850 + 2 x GTX 275 CrossLinx 23'448 122.09 %
GTX 285 + GTX 275 CrossLinx 19'488 176.92 %
2 x GTX 275 CrossLinx 19'469 176.75 %
HD 6850 + GTX 275 CrossLinx 19'057 173.01 %
2 x GTX 275 SLI 18'902 171.60 %
GTX 275 + HD 6850 CrossLinx 17'487 158.75 % 
GTX 275 + GTX 285 CrossLinx 17'315 157.19 %
HD 6850 13'123 119.14 % 
GTX 285 12'020 109.12 %
GTX 275 11'015 100.00 %
  Higher is better


World in Conflict

World in Conflict, 1920 x 1080, high details, 8xAA 16xAF Average Percent
2 x GTX 275 SLI 53 fps 123.25 %
HD 6850 47 fps 109.30 % 
GTX 285 47 fps 109.30 %
GTX 285 + GTX 275 CrossLinx 45 fps 104.51 %
HD 6850 + GTX 275 CrossLinx 45 fps 104.51 %
HD 6850 + 2 x GTX 275 CrossLinx 44 fps 102.32 %
2 x GTX 275 CrossLinx 44 fps 102.32 %
GTX 285 + 2 x GTX 275 CrossLinx 43 fps 100.00 %
GTX 275 + GTX 285 CrossLinx 43 fps 100.00 %
GTX 275 43 fps 100.00 %
GTX 275 + HD 6850 CrossLinx 37 fps 86.04 %
  Higher is better


Resident Evil 5

Resident Evil 5, DX10 1920 x 1080, high details, 8xAA Average Percent
2 x GTX 275 SLI 92.2 fps 134.01 %
GTX 285 + GTX 275 CrossLinx 88.0 fps 127.90 %
HD 6850 + 2 x GTX 275 CrossLinx 87.9 fps 127.76 %
2 x GTX 275 CrossLinx 87.7 fps 127.47 %
GTX 275 + GTX 285 CrossLinx 87.2 fps 126.74 %
HD 6850 86.6 fps 125.87 % 
HD 6850 + GTX 275 CrossLinx 86.3 fps 125.43 %
GTX 285 + 2 x GTX 275 CrossLinx 83.0 fps 120.64 %
GTX 285 75.0 fps 109.01 %
GTX 275 + HD 6850 CrossLinx 68.9 fps 100.14 %
GTX 275 68.8 fps 100.00 %
  Higher is better


Call of Juarez

Call of Juarez, 1920 x 1080, high details, 4xSSAA Average Percent
GTX 285 + 2 x GTX 275 CrossLinx 89.8 fps 270.48 %
HD 6850 + 2 x GTX 275 CrossLinx 87.2 fps 262.65 %
2 x GTX 275 SLI 66.6 fps 200.60 %
GTX 275 + HD 6850 CrossLinx 64.3 fps 193.67 % 
GTX 275 + GTX 285 CrossLinx 62.0 fps 186.74 %
2 x GTX 275 CrossLinx 60.1 fps 181.02 %
HD 6850 + GTX 275 CrossLinx 59.0 fps 177.71 %
GTX 285 + GTX 275 CrossLinx 58.7 fps 176.81 %
HD 6850 52.0 fps 156.62 % 
GTX 285 35.4 fps 106.62 %
GTX 275 33.2 fps 100.00 %
  Higher is better


Far Cry 2

Far Cry 2, 1920 x 1080, high details, 8xAA Average Percent
2 x GTX 275 SLI 82.91 fps 173.63 %
2 x GTX 275 CrossLinx 76.79 fps 160.81 %
GTX 285 + GTX 275 CrossLinx 75.76 fps 158.66 %
GTX 275 + GTX 285 CrossLinx 74.10 fps 155.18 %
GTX 285 + 2 x GTX 275 CrossLinx 72.9 fps 152.67 %
HD 6850 56.46 fps 121.86 % 
HD 6850 + GTX 275 CrossLinx 56.31 fps 117.92 %
HD 6850 + 2 x GTX 275 CrossLinx 56.15 fps 117.59 %
GTX 285 52.28 fps 109.48 %
GTX 275 47.75 fps 100.00 %
GTX 275 + HD 6850 CrossLinx 46.33 fps 103.06 % 
  Higher is better



  • CrossLinx N-Mode

As we can see, the SLI mode performs better than the CrossLinx N-Mode in all the games tested. On the other hand the N-Mode performs better than nvidia SLI for futuremark benchmarks. Regarding the 3x CrossLinx N-Mode it performs worse than the 2x Crosslinx for non-optimized games. In World in Conflict do you see almost no performance scaling at all.

  • CrossLinx A-Mode

  • CrossLinx X-Mode

Mixing NVIDIA and ATI is finally performing well, but as said before only on benchmarks and optimised games. Like other CrossLinx Mode, we recommend using the Hydra Engine for two graphics cards having the best one plugged to the monitor. Unfortunately having one ATI card and two NVIDIA card affects the performance very negatively.




Page 1 - ASUS Crosshair IV Extreme Page 9 - SuperPi/WPrime
Page 2 - Specifications Page 10 - Games
Page 3 - Presentaion/Layout/I/O/Bundle Page 11 - Software / Hardware ROG
Page 4 - BIOS Page 12 - Temperatures
Page 5 - Test Setup Page 13 - Overclocking
Page 6 - FutureMark Page 14 - Lucid HydraLogix
Page 7 - SiSoft Sandra 1 Page 15 - Conclusion
Page 8 - SiSoft Sandra 2  



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ASUS Crosshair IV Extreme The Ultimate AM3 Board - Motherboards AMD 890FX - Reviews - ocaholic