Question 3 phase vs 4 phase vrms

[bononos]

Been doing some reading up on whats going on and I've got some questions -

- Does it matter whether the VRMs are 3 vs 4 phase? Does it matter more on cpus which take more power like the Ryzen 8 cores (2700/3700)?
Some of the cheaper mb's use 2x the components for each phase so the 6 phase is really a 3 phase like the Asrock Pro4.

- The Asrock Pro4 also seems to have fewer VRM capacitors compared to others. Should that be a concern?

- I read that some Asrock boards no longer have cool n quiet working after the last 2 or so bios versions. Is that a problem with other brands as well? Is it outdated for Ryzen gen3? What about gen2?

B450M Pro4 Cool'n'Quiet Option

Where did this option disappear to? Im reading some people are switching this from Auto to Enabled and...

forum.asrock.com

https://www.reddit.com/r/Amd/comments/cej558

 

[Magic Carpet]

I read somewhere that depending on power delivery/circuitry, Ryzen Boosting tech can be affected in a number of ways (e.g. boosting higher/longer on boards with beefier VRMs/cooling). I haven't investigated this myself yet, but it makes sense. I would be cautios of pairing a fast 8c/16t part with a cheap board like that. And/or at the very least, I'd organize some extra cooling for that but ideally, someone ought to test this thoughtfully. Ryzen is a very different animal from the usual Intel stuff in this regard, especially from your old 4770K.

Having said that, those cheaper boards should work fine, maybe at the cost of *slightly* lower sustained performance, ocassionally, but this needs testing. At any rate, 3700x @ only 65w maybe end up being a good fit for that board. I've used Pro4's before without many issues (excellent fan control btw), but they are mainly targeted for small businesses/office with moderate power needs. 3 phases with doublers should be fine for under 150 watts (more phases will give you better efficiency/less power consumption at higher loads and lower temps all around), but it depends on your usage, cheaper boards aren't really designed for heavy 24/7 operation, bear that in mind. Also, get an IR gun, so you can better control your temps. This would be MY favorite Ryzen e-atx board, but hell it IS expensive, excellent cooling all around though, built to last many years.

I believe those stuterring issues will be gone in due time via firmware/software updates. Wouldn't worry about that now. Hell, turbo boost on my Thuban (just 1 of my computers) hadn't properly worked until I upgraded to Windows 8.1, but now on Windows 10 it's buttery smooth everything, hehe. JUST BE PATIENT or buy 9900k, very matured platform.

The Asrock Pro4 also seems to have fewer VRM capacitors compared to others. Should that be a concern?

I woudn't worry about that. For the price, its an excellent board. You're not going to do any overclocking on that anyway.

- I read that some Asrock boards no longer have cool n quiet working after the last 2 or so bios versions. Is that a problem with other brands as well? Is it outdated for Ryzen gen3? What about gen2?

ASRock usually is good with their mb support, they will get it fixed eventually. Maybe somebody else will chime in with addressing these questions.

 

[Magic Carpet]

For reference purposes. The lower, the better. Red=Throttling.