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Some interesting Motherboard Tests of VRM Stages

Discussion in 'Motherboards' started by Alsone, 9 Sep 2019.

  1. Alsone

    Associate

    Joined: 26 Nov 2007

    Posts: 67

  2. eeii

    Hitman

    Joined: 3 Feb 2017

    Posts: 623

    Location: Mondas

    The only thing I would say is a lot of the reviewers test on open benches where the air flow is non existent so some of the temps are a tad high compared with in a half decent case with air flow.
     
  3. Besty

    Mobster

    Joined: 18 Oct 2002

    Posts: 3,822

    yeah you do get what you pay for, worth keeping in mind that you can only test what is in front of you all these boards are mid-tier boards or in case of godlike mid-tier with bells, there are no OC class boards in this test from Asus, MSI or Asrock.
     
  4. Alsone

    Associate

    Joined: 26 Nov 2007

    Posts: 67

    Fair point although the room was at a known temp.

    The Asus Tuf is a £200 board, so reasonable budget for an X570. The Hero Vii is definitely what I regard as mid range, I didn't notice but isn't that AS Rock? Personally I won't be overclocking although I don't see any issues with the boards I mentioned.

    Board choice has to be careful atm as there are issues with boost clock with many motherboards atm. There are vids on YT about this. I guess choice depends on where your priorities lie. However, in my experience, the item that fails on most MB's is the power caps. Unless you're going SLI, there's plenty of power on those boards for running even a gaming rig + 2080ti.
     
  5. pastymuncher

    Man of Honour

    Joined: 12 Jul 2005

    Posts: 18,874

    Location: Aberlour, NE Scotland

    The Hero is one of Asus ROG boards. The boost clock problem should be fixed in AGESA 1003ABBA according to this article.
     
  6. EsaT

    Sgarrista

    Joined: 6 Jun 2008

    Posts: 9,233

    Location: Finland

    Here's more of reasonably priced boards.
    https://youtu.be/xbyWKufthS4?t=11m49s


    Little airflow won't make those 100C running VRMs good.
     
  7. Drumroll

    Wise Guy

    Joined: 5 Mar 2017

    Posts: 1,268

    Location: Cambridge

    First thing I've done was replacing the VRM's thermal pads from my Asus X570-f to some decent ones. The temperature drop more than justified the 7 quid spent.
    Annoying is the fact that most of the motherboards, regardless if it's a rat's-foot version or the bee's knees version, will have some cheapo thermal pad.
    Once removing the heatsink from the chipset and from the VRM, both of them left some pieces/crumbles behind.
     
  8. Alsone

    Associate

    Joined: 26 Nov 2007

    Posts: 67

    I agree. If anything an open bench with fans will be cooler as the room temp is a constant (which is why they test on an open bench), whereas in a case the temps can be hotter than ambient room temp and will potentially climb over time until the point at which the cooling and ventilation stabilise the case temp.

    Michael, There's nothing wrong with replacing VRM thermal pads, but 1; who wants to do this on their brand new mb potentially voiding the warranty and damaging it if you get the seating and heat transfer wrong with the new thermal pads / paste, especially if it's an expensive one and 2. why would you do it when you can simply buy a better model in the 1st place? Another mid range board choice that didn't come out as well as the 2 I mentioned above is the Taichi. Cheaper than the Hero VII but more expensive and than the TUF. There are choices without modding boards and personally the last action I want to be making on a brand new motherboard is modifications.
     
  9. EsaT

    Sgarrista

    Joined: 6 Jun 2008

    Posts: 9,233

    Location: Finland

    And that's the big problem in lots of more expensive supposedly better consumer products:
    You pay high prices and get mostly more fashion gimmicks and other crud, while actual features/functions and real quality don't really improve that much.

    Also X570-F uses same DrMOS power stages as lower Asus X570 boards.
    While at that price level something like IR3555 with also integrated current/temperature monitoring would be more fitting.
    On top of that its VRM cooling is sabotaged by that retarded IO-shroud causing useless double cost:
    First that fashion trash and then bigger heatsink to compensate it.

    And then there's what seems to be "trademark problem" of Asus AM4 boards: Only single USB3 header!
    X570-P is only sense making Asus X570 board with two USB3 headers.
    If I need to buy also USB controller card on top of expensive motherboard to have all front USB ports working at full speed that's not good product!
     
  10. [email protected]

    Caporegime

    Joined: 8 Nov 2008

    Posts: 27,672

    Although a wide range of boards can be used alongside, for example, a high-end part like the 3900X, I'm still leaning towards something which would appear to be more of a logical fit, e.g. an X570 £300 one. I like the idea of pairing it with a solid entry level one such as the B450 Tommahawk max, obviously to save cash, but I'm still not sure.
     
    Last edited: 16 Sep 2019
  11. eeii

    Hitman

    Joined: 3 Feb 2017

    Posts: 623

    Location: Mondas

    Decent airflow will make a big difference
     
  12. theone8181

    Mobster

    Joined: 27 Mar 2013

    Posts: 4,842

    What worries me is that i have a msi gaming plus mobo, although its only paired with a 3700X so will be running colder. I assume mine shares the same VRMS with that board, is 100 degrees bad on VRMS, i'd of thought they'd be able to take it.
     
  13. eeii

    Hitman

    Joined: 3 Feb 2017

    Posts: 623

    Location: Mondas

    Install hardware info to check VRM temps. I suspect under normal use and in a well vented case you will be fine.
     
  14. theone8181

    Mobster

    Joined: 27 Mar 2013

    Posts: 4,842

    I've got hw64 installed, is it just listed as vrm tmeps?
     
  15. theone8181

    Mobster

    Joined: 27 Mar 2013

    Posts: 4,842

    I ran PC mark and the highest my vrms got to was 40 degrees. I'm happy.