Intensely consuming power from AMD Ryzen 9 5950X processors
Intensely consuming power from AMD Ryzen 9 5950X processors
Hey everyone, with so many fans around, I was curious if anyone has faced problems with High-End Zen3 chips in a comparable configuration. I regularly run a 5950X CPU every couple of weeks under moderate load. Its main tasks include programming/compiling, VR racing (ACC), and streaming/watching on YouTube or Twitch. These jobs are usually single-threaded or lightly parallelized. I’m not sure what’s going wrong—I’ve never seen anything like this in nearly 30 years of building my own rigs. My setup has never failed before, but now it seems something about my workflow or system configuration is the issue. After an RMA, the CPU works just fine for a couple of weeks. Yet during a simulation and a Twitch stream, the machine crashes unexpectedly—rebooting multiple times. If this happens, the chip appears to be damaged, causing random BSODs and restarts in every task. This pattern repeated three times in a row. I can’t reinstall Windows 10 anymore; it keeps rebooting and stops setup. The first RMA I did was swap my PSU. The second replaced the memory with a QVL kit. The third didn’t enable XMP and left most settings at defaults, except turning off some unused features like Audio, TPM, Legacy Mode, and even disabling WiFi6 for real speed. I turned off PBO on the board and avoided AutoOC or Curve Optimizer. I didn’t adjust voltage settings or turn on performance modes like Turbo or C-states. The CPU temperature stayed under 80°C thanks to continuous monitoring via HWInfo64 (with acoustic alerts). Windows 10 logs only show Kernel Event 41—unexpected shutdown. Other than that, I got a standard boot-up error from disabled board features.
Hardware used:
- Ryzen 9 3950X – still functioning after half a year of similar use
- RTX 3090 – included in reference
- Cooling: Overkill watercooling (large radiators)
- Motherboard: ASRock X570 Phantom Gaming X, BIOS 3.40/3.80/4.00
- RAM: Corsair 4x8GB SR 3600MHz CL16 @1.35V & G.Skill 2x16GB DR 3600MHz CL14 @1.45V
- Power supply: Corsair HX850 / HX1000
Anyone have tips or similar experiences? Thanks a lot!
It seems like you're suggesting that if you check everything else, the motherboard might be the only possible cause... though it's unusual to think that way, and I can't explain why the 3950x works fine.
I believe at that stage you'd think your board is merely heating up these processors like they're just CPU components... Usually, the main part of a computer is what matters most. Even if the board sends wrong voltage signals but claims everything's fine, it could still be problematic.
It's also worth mentioning the 3950x has its own requirements, but the motherboard can manage that. Adding the 5950x appears to cause issues, possibly due to a single pin or a small component malfunction.
There are numerous parts on a board that remain unmonitored. It's possible for some unusual diodes, resistors, or chips to operate slightly off without any issues. The board contains thousands of traces and components, and the fact that many function smoothly is more impressive than those that don't.
The question about Asrock auto volts moment is unclear. Could you provide more details or clarify what you're asking?
It's curious because the 5950X seems to need fewer power draw compared to the 3950X (~20W less PPT), not accounting for the SoC. The VCore usually stays around 1.5V at low loads and matches the VID specs. VSoC operates at 1.2V thanks to AGESA 1.2.0.0, dropping below 1.1V before that change. Given the board's age (July 2019) and my adjustments to the cooling system for a Noctua fan, there’s nothing to return via RMA. Still, it performed adequately otherwise. Some quirks though: BIOS options missing or non-functional, major design issues like Wi-Fi antenna connectors being too tight for custom antennas, poor chipset cooling, and placing the USB-C connector in a spot that forced mid-tier GPUs to use it at launch (thanks Nvidia for the 30series reference boards). I’m hoping AMD will switch to another chip since I’ve been contacted by an engineer who mentioned the board still works with the 3950X. I’ll attempt a replacement anyway, but I won’t buy another ASRock model. It would be cool to see if anyone else had a 5950X problem or experienced those random reboots—search results seem full of them.
According to my perspective, the Ryzen 7 5800X also experienced similar problems. It seems that many AMD chips are mass-produced, and the Ryzen 5000 series has had some inconsistencies where certain chips aren't made as consistently as others. It's just a matter of luck—sometimes you get a high-quality chip, other times not so much.
I’d consider going with a B550 board now. The chance they’ve sent you three faulty CPUs seems extremely unlikely. I’d rather rely on winning the lottery.