Explained: AMD Ryzen CPU “Burn-Out” & Power Reporting Deviation Benchmarks (HWINFO)
9,405The Stilt & HWiNFO posted about a new Ryzen power reporting metric, specifically for Power Reporting Deviation. This story was reported on by others as indicative of “burning-out” CPUs.
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There’s been a lot of discussion about electromigration, premature death of AMD Ryzen CPUs, and power reporting over the past two days. In this piece, we’re tackling three objectives: (1) We’ll be defining HWINFO’s new Power Reporting Deviation, as put forth by HWINFO64 and The Stilt in his detailed and accessible research piece; (2) we’re talking about the “burn-out” concerns put forth by a recent Tom’s Hardware headline; (3) we’re testing the actual power reporting deviation versus real power as measured with hardware monitoring. This topic of power consumption is often ignored by PC builders and viewers in favor of gaming benchmarks, and that leaves out a critical part of understanding the product. Power consumption gives way to thermals and best CPU cooler selection for a given CPU, AMD or Intel, because functionally all the power manifests as heat.
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AMD Ryzen 9 3900X (Amazon): https://geni.us/31e4Wc
Gigabyte Aorus X570 Master (Amazon): https://geni.us/gCnAio
MSI B450 Tomahawk Max (Amazon): https://geni.us/qEWXdf
TIMESTAMPS
00:00 - Recapping the "Ryzen Burn-Out" Story
05:28 - Problem of Telemetry Reference Current & Motherboards
06:36 - Ryzen PPT, Higher Temperature, & Deviation Formula
09:05 - Idle & Low Load Not Useful with Reporting Deviation
10:15 - Power Reporting Deviation Further Explained
10:40 - Benchmark of Gigabyte X570 Master Reporting Deviation
11:17 - X570 Master CPU PKG Power vs. Physical Power Measurement
13:02 - ASRock's Rule-Breaking Reviewer BIOS & Extreme Power Budget
13:48 - ASRock Reviewer BIOS CPU PKG Power vs. Actual Power
14:48 - CPU Percent PPT Limit on ASRock Public vs. Review BIOS
16:48 - ASRock Public BIOS Update Power Report
18:18 - MSI X570 Tomahawk Package Power vs. Real Power
18:58 - ASUS Crosshair VII Hero X470 CPU Power
19:27 - AMD's Official Confidential Documentation
21:09 - Conclusion: Sort of a Big Deal, Sort of Not
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Testing, Additional Reporting: Steve Burke
Editorial, Research: Patrick Lathan
Video: Keegan Gallick, Andrew Coleman