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.
4.4GHz 2.1V VCCIN OCed VRM Thermal Imaging:
We standardize this test with a 4.9GHz on all cores with 1.2V real under load and take pictures at the 80% mark of HandBrake rendering a 4K video.
While this motherboard doesn't use the Intersil power stages, it does use the Intersil VRM that features great phase balancing with light loads. At full load, things seem balanced as well. These results are actually very good for this VRM, and that is because of the huge VRM heat sink with active airflow.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and X299 Extreme4 Overview]
- Page 3 [ASROCK X299 Extreme4 Circuit Analysis]
- Page 4 [ASROCK X299 Extreme4 Circuit Analysis Continued]
- 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 [VRM and System Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]