ROG MAXIMUS XII EXTREME LGA1200 Motherboard Review

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To measure power draw, we hook-up our power meter on another system via USB. Our power meter is capable providing a chart of power the watts currently being consumed by the unit plug into it. We take the average of 15 minutes idle and 15 minutes load to show our power daw. Our load test is SuperPI 12K. A power virus scenario which you will never encounter on regular use. This is a worst-case scenario but is lighter on power than our previous AIDA64 stress test which is an AVX test, which draws more power than normal. The raw data from app is gathered and we get our results.  Temperatures are also captures during this time.

Various configurations will play a factor on how much you are consuming and the same applies to our test. We try to keep our test bench uniform at all times (same memory, graphics card, board if possible, etc). All tests are done with the motherboard or CPU on out-of-box settings as indicated in our Test Setup page with only XMP applied.

When tested on motherboards, this shows how motherboard companies tune their BIOS to affect performance which in turn affects power draw and temperatures.

Here’s a good example of the difference removing TDP restrictions will do to your CPU. With the Core i9 10900K already doing a balancing act to keep its 10-cores at bay with lower voltages and clock speed acrobatics, removing that to keep the CPU at 4.9Ghz means we’re leaving it to the motherboard to do the hard work which in turn leads to a lazy assumption that everything is covered from cooling to voltage settings, etc. We’ve asked ASUS’ are they sure they want to compete with enthusiast boards with these settings and they are. In the case of the MAXIMUS XIII EXTREME, we asked them 3 times to be sure. With the board shipping with Intel limits in-place, we can see from the charts that we are restricted by the power limits hence the similar power draws across the board from the outlet.

Thermal Images

Here’s thermal images of the MAXIMUS XII EXTREME VRM area under load with Prime95 12K stock settings.

And here’s a a shot of the back of the board during load:

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