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GIGABYTE X99-Phoenix SLI (Intel X99) Motherboard Review

By: Steven Bassiri | Socket LGA 2011 in Motherboards | Posted: Jun 28, 2016 4:48 pm
TweakTown Rating: 92%Manufacturer: GIGABYTE

Overclocking Results


CPU Overclocking


If you hadn't already heard, the 6950X 10-core $1700 beast isn't the best overclocker. I cannot validate CPU frequency anywhere near 5GHz, and I cannot even boot at 4.5GHz, but I can run 4.4GHz on all cores. I have decided to change how I do the overclocking section and determine exactly what it takes to push to the CPU to this maximum stable frequency on the different motherboards I test.




GIGABYTE's motherboard has almost no auto rules (at least none that I noticed) that would increase voltages automatically with frequency increases. It's good because the motherboard won't auto-increase voltages without you knowing exactly what is being set, but it does mean you will have to dial in voltages yourself. I assume GIGABYTE will add in auto rules for overclocking voltages, specifically memory and cache, but right now you should manually set them.


For rough estimates, you can use the same voltage levels I spelled out in my 5960X OC guide, as the same voltages seem to do the same things on both CPU generations. I did not gain much from increasing the VL voltages for the extra pins. I was able to easily pull off a 4.4GHz OC, and I was able to execute Handbrake 4K transcoding of a 4K video to 1080p.





Here we have the 32GB quad-channel Dominator Platinum kit from Corsair. It runs at 3200MHz CAS 16, and the X99-Phoenix SLI was able to run it by just enabling XMP.




The second kit for memory compatibility testing is the G.Skill TridentZ 3200MHz CAS 14 32GB quad channel kit. The X99-Phoenix SLI also had no issue running this kit.

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