Thermal Imaging and Power Consumption
System power is measured at the wall with an AC power meter.
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).
Up-close of the front of the VRM.
Up-close of the back of the VRM.
Thermal Testing at 4.9GHz:
Images were taken during our HandBrake OC test at 80% completion.
The ROG STRIX Z370-G GAMING (WI-FI AC)'s thermal performance was a lot better than we expected. The motherboard might use the same type of 4 phases doubled to 8 phases through doubling of power stage components, but its giant heat sinks are obviously getting the job done when it comes to cooling the VRM. We do recommend airflow over the VRM if you OC your K-SKU close to 5Ghz and are using an AIO watercooler. Anything under 60C is great, 60-80C is acceptable, and anything above 80C is a bit worrisome (if at stock).
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The ASUS ROG STRIX Z370-G GAMING (WI-FI AC) (Intel Z370) retails for $XXX at Amazon.
United Kingdom: The ASUS ROG STRIX Z370-G GAMING (WI-FI AC) (Intel Z370) retails for £XXX at Amazon UK.
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and ROG STRIX Z370-G GAMING (WI-FI AC) Overview]
- Page 3 [ASUS ROG STRIX Z370-G GAMING (WI-FI AC) Circuit Analysis]
- Page 4 [ASUS ROG STRIX Z370-G GAMING (WI-FI AC) Circuit Analysis]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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