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GIGABYTE X299 AORUS Gaming 9 Motherboard Review (Page 10)

By Steven Bassiri from Jul 10, 2017 @ 8:12 CDT
TweakTown Rating: 91%Manufacturer: GIGABYTE

Thermal Imaging and Power Consumption

System power is measured at the wall with an AC power meter.

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Note on Thermal Images: In the temperature section, we use our Seek thermal imaging camera to capture the surface temperatures of major components on the board. I look at the VRM and then all other things that light up the screen. If there is something to worry about, then I will state it. Otherwise, I will just show the hotter running parts of the board for fun. Unless some component is over 80-90C, then there isn't anything to worry about.

All systems will act differently, so I will look for commonalities, such as how far from the VRM the heat spreads through the PCB and the difference in temperature between the front side and backside of the PCB. Keep in mind, the majority of the heat from the VRM goes into the PCB as it is a giant soldered on copper heat sink. A larger difference in temperature between the back and front of the PCB points towards a more effective heat sink.

Thermal Testing at Stock Speeds:

The image on the left is always at idle, and the image on the right is at load. During ALL TESTS, fans above the VRM that cool the CPU cooler's (Corsair H110i) radiator are turned on to high (12v).

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Full frontal.

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Up-close of the front of the VRM.

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The temperature on the rear of the motherboard is lower than on the front, which means the VRM heat sink is actually working. Temperatures are quite low, but the heat is spread all over, there must be a good amount of copper in the PCB. Solid VRM, especially at stock, but power savings at idle isn't impressive.

Up-close of the back of the VRM.

4.6GHz 1.75V VCCIN OCed VRM Thermal Imaging:

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Temperature readings are taken after 40 loops of Intel Burn Test have been run (with AVX). Pictures of the setup are on the Test Setup Page. The two radiator fans (120mm Corsair) of the H110i blow in the general direction of the motherboard and VRM from the side (that is why the right side is slightly cooler in the first pic), so there is airflow (less than a case but more than a test bench with no airflow). Overall, since I already know the temperature readings of other motherboards as I review in groups of four, this VRM is doing really well.

The OC is not enough to make it throttle, but you can compare VRM results from one of my reviews to others, especially for this platform. You should realize there will be a few degree margin of error based on room temp. Part of the reason this motherboard does so well is the heat pipe and extra heat sink slab in the two top images, so far this is the only boards I have reviewed with decent VRM cooling (the heat pipe), although the heat sink design could be better with more surface area.

The second heat sink is only a few degrees cooler than the main CPU one, and it's working as the temperature on the back of the board is 2C lower than that on the front.

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