Gigabyte X399 Aorus Extreme Review

Test Setup and Overclocking

Gigabyte X399 Aorus Extreme Preview

Test Setup

Gigabyte X399 Aorus Extreme
AMD Ryzen Threadripper 2990WX
Corsair LPX 2666MHz
Corsair LPX 3200MHz
Corsair MP500 M.2
nVidia GTX 980
Coolermaster AM360 TR4 
Corsair ML Fans
Coolermaster ML360 RGB TR4 AIO Cooler



Before we get to our overclocking shots, a quick reminder of how insane the Ryzen Threadripper 2990WX is. If you ever wanted something to stress test a motherboard as harshly as possible, this is the processor you'd choose. With this manual OC with just CPU load the system was pulling 750w from the wall! Its an absolute VRM smashing level of power required to keep this CPU fed.

Weirdly to even get the board to play ball we had to UNDER volt it, it makes no sense but it worked and took us ages to work out what was up, honestly not sure why we bothered to put so much effort in when Gigabyte cant even reply to emails.

Also the Vcore is being reported wrong by all apps, we had to watch SV12 TFN in Hwinfo, we did ask Gigabyte and heard nothing but AMD stepped up and guided us on where to look otherwise in some instances we would have been telling you the board was putting 1.68v into the CPU. 

Gigabyte have said in the past its the APP's fault but both AMD and HWinfo have told us its just down to things being assigned wrong in the BIOS and its Gigabytes fault. Now imagine youre a motherboard vendor and EVRYONE looks at CPUZ, Hwmonitor and HWinfo why would you want people thinking that your board is putting nearly 1.7v into your CPU. You wouldnt. It does however go to show how lackluster their attitude is. 

Gigabyte X399 Aorus Extreme Review  

Gigabyte X399 Aorus Extreme Review  

Gigabyte X399 Aorus Extreme Review

Precision Boost

Precision Boost is a great way of getting a lot of performance out of your processor dependant upon the loading it is undergoing. Like the turbo boost of the old days. In this particular setup we have utilised the AMD Ryzen Master software to really open up the power taps and allow it to get as wild and crazy as it can manage, so hopefully in the tests which require fewer of the 2990WX's many cores we should see the scores improve. This did cause us a few issues though because the board did keep shutting down due to over current protection kicking in and there is no option in the BIOS to disable it. This meant we couldnt go past 500 on the PPT without the board getting really funny about it. Its definitely a BIOS issue as ever with Gigabyte though.

Gigabyte X399 Aorus Extreme Review  

Manual Overclocking

As well as the Precision boost method, you can overclock all the cores so that every single one is running hard and fast. Naturally this works better in some applications than others, so as you would expect with so many cores on hand it is horses for courses.

One of the REALLY strange things we found with this board is we had to undervolt it to get a manual overclock stable, it makes absolutely no sense but we had to manually set 1.2v in the BIOS to get it stable when every other board we have tested was around 1.35v. We also had to monitor a completely different voltage in HWinfo because the Vcore reported by all the normal programs was peaking at 1.68v - yet again this is something that needs to be fixed in the BIOS. We spoke to both AMD and the APP developers directly about both of these points and they both said that the blame lays at Gigabytes door.

Gigabyte X399 Aorus Extreme Review  


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Most Recent Comments

16-09-2018, 13:34:33

I like reviews when you get wound up and fire 1000 words/min. In recent times videos were neat and organised. I thought you've lost your touch Tom.

Really worrying from Gigabyte. They are still not raising from the slump.Quote

16-09-2018, 15:43:11

Eddie long
Nice review and very diplomatic with it . Imho i think your spot on with the attitude that its good enough from gigabyte which is a real shame .Quote

16-09-2018, 16:18:34

My current board is Gigabyte and I'm very happy with it. But at this rate my next one certainly won't be.Quote

16-09-2018, 18:58:43


I had purchased this board prior to your review based on I/O components (USB 3.1G2). I wish to thank you for your efforts which made me aware of the issues this board has. Shame on Gigabyte for their lackadaisical petty attitude. Some organizations would have acknowledged your point and then ignored you. I applaud those few who will work with you and am glad I went with AMD .Quote

16-09-2018, 20:15:27

Sorry but £1700 on a CPU and £450 on a Mobo... if that's not enough to serve as a great server/workstation out the box without the need to overclock there is something seriously wrong! Why would you even try overclocking such hardware?Quote

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