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EVGA Z170 FTW (Intel Z170) Motherboard Review (Page 10)

Steven Bassiri | Aug 10, 2015 at 03:22 pm CDT - 2 mins, 35 secs reading time for this page
Rating: 90%Manufacturer: EVGA

Thermal Imaging and Power Consumption

System power usage is measured at the AC/DC PSU (the Corsair AX1200i) which I have connected to another system to measure the test system and as a backup I have a wall meter to verify. The CPU power is measured through the 8-pin connector which is hooked up to a hall effect IC which measures current and puts out a voltage in proportion to the current. That voltage is logged by a National Instruments ADC which logs the DC voltage level, which I then convert into current.

evga-z170-ftw-intel-motherboard-review

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 really 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 that 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 (H110i GT) radiator are turned on to high (12v).

EVGA Z170 FTW (Intel Z170) Motherboard Review 72 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 73 | TweakTown.com

Full frontal.

EVGA Z170 FTW (Intel Z170) Motherboard Review 74 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 75 | TweakTown.com

Up-close of the front of the VRM.

EVGA Z170 FTW (Intel Z170) Motherboard Review 76 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 77 | TweakTown.com

Up-close of the back of the VRM.

Thermal Testing at 4.5GHz (1.3v w/LLC) Overclocked Speeds:

EVGA Z170 FTW (Intel Z170) Motherboard Review 78 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 79 | TweakTown.com

Full frontal.

EVGA Z170 FTW (Intel Z170) Motherboard Review 80 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 81 | TweakTown.com

Up-close of the front of the VRM.

EVGA Z170 FTW (Intel Z170) Motherboard Review 82 | TweakTown.comEVGA Z170 FTW (Intel Z170) Motherboard Review 83 | TweakTown.com

Up-close of the back of the VRM.

The VRM on the Z170 FTW is top notch. While the fact that the CPU VCore only gets 5 phases might not bode well for marketing, the implementation of the phases has been executed well. The component selection is really what matters, and in this case, EVGA used top notch components which utilize the latest technologies to provide the CPU with clean power. The thermal imaging shows that even 5 phases is enough to get Skylake going to 4.8GHz 24/7 and even up to 5.2GHz for a validation. Phase count isn't as important as phase quality, and now you can see it.

Anything under 60C is great, 60-80C is acceptable, and anything above 80C is a bit worrisome (if at stock).

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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