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GIGABYTE Z97X-UD5H Motherboard - Circuit and Overclocking Guide

By: Steven Bassiri | Guides | Posted: Aug 26, 2014 2:12 pm

Test System Setup


In this section, I will test GIGABYTE's features; EasyTune "Auto Tuner", BIOS CPU OC Profiles, power consumption, and audio performance.







GIGABYTE's EasyTune "Auto Tuner" and BIOS OC Profiles




GIGABYTE has two ways to auto overclock your CPU, one of those ways is the Auto Tuner, which will increase the CPU frequency and voltage and test for stability over and over until it stops where it's unstable, then it will reduce back to where it was stable. The other way is the Smart Quick Boost/Performance Upgrade in the UEFI; this method has preset profiles for overclocking.


The issue with motherboard auto overclocking in general is the fact that programs like auto tuning do their thing quickly and the profiles have to work for all overclocks. In general, auto overclocking provides much more voltage to the CPU than you would need if you manually did the overclock.




With one press of that large button, the system goes into a cycle of testing settings and reboots, and finally comes out with a result. Auto Tuning resulted in both the highest auto overclock we have seen and the highest voltage we have seen. A CPU frequency of 4.8GHz is right where my manual overclocking led me; however, a VCore of 1.5v is way above the amount needed for my overclock.


GIGABYTE does this to ensure that all processors will work at specified speeds. My suggestion would be if you use this program, then you should set your voltages yourself, perhaps start a bit lower than what it sets and go from there.




The performance upgrade profiles in the UEFI yield more reasonable overclocks. I tested the top two settings; 80% and 100%. The 80% resulted in a 4.6GHz overclock on the CPU and 1.36v VCore, it also overclocked the memory to 1866MHz. The 100% overclock resulted in a 4.7GHz overclock on the CPU and 1.42v VCore, it overclocked the memory to 2133MHz. The voltages seem a bit more reasonable for the speeds, while still high, they should ensure your CPU will run at those speeds.



Power Testing


I tested the power at the wall socket and at the 8-Pin CPU power connector on the motherboard, which supplies the CPU power. Measurements were taken at 0% load for Idle and 100% load (at max spikes) using IntelBurnTest.




Windows power settings:


  • Power Saver: Lite PWR
  • Balanced: Stock, 80% Upgrade, 100% Upgrade
  • High Performance: 4.8GHz Manual OC, Auto Tuning




This is the testing done in RMAA5.5 with the audio, the results speak for themselves. I test with RMAA a bit differently than others; I make sure to disable all audio enhancements in packaged software and in the control panel, then I match bit rate and frequency, and finally run the test.

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