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AMD B550 Specifications and Details

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Sep 24, 2019.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Many who made the move towards a Ryzen 3000 processor, also treated themselves with an X570 motherboard for PCIe Gen 4.0 and AX WIFI. Other went towards a more affordable X470 motherboard. So one chip...

    AMD B550 Specifications and Details
     
  2. AlmondMan

    AlmondMan Master Guru

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    Pretty nice to see :D Expand the platform, grow support. It's actually interesting to be in to hardware again for the first time in many, many years. Actually doing analysis on requirements, software support, use cases and such instead of just going "We're going with Intel". So fun, challenging and exciting! Good times!
     
  3. sverek

    sverek Ancient Guru

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    Patient consumers win, as usual.
     
  4. Exodite

    Exodite Ancient Guru

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    With PCIe4 off the table it's kinda hard to imagine why you'd pick up a B550 board over a B450 one, unless the former are very competitively priced.

    Hilbert hit the distinguishing feature on the head I think, you could potentially get PCIe4-enabled lanes from the CPU still - though I struggle to see how that would keep pricing in check and thus be worth it vs. B450. We'll see I guess, this just feels kinda shrug-worthy to me.
     

  5. Evildead666

    Evildead666 Maha Guru

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    OK, so the B550 is very close to the X470.

    Considering the 300/400 series chipsets were made on 55nm, maybe its a die shrink to 40nm or even 28nm ?
     
  6. Kaarme

    Kaarme Ancient Guru

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    Should be cheap with those specs. Really cheap compared to X570.
     
  7. H1TMANza

    H1TMANza Member

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    Yes let's wait for PCI Gen 5
     
  8. FM57

    FM57 Member Guru

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    Tempting....
     
  9. anticupidon

    anticupidon Ancient Guru

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    Hmm, well let's see what VRMs will have and how well will overclock.
    More, let's really see the SSD, NVMe and S ATA performance.
     
  10. Undying

    Undying Ancient Guru

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    Pairing it with a r5 3600 would be a killer combo.
     

  11. warlord

    warlord Ancient Guru

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    At least you can finally now build a ram +mobo +cpu set cheaper than price of most expensive x570. It just works.
     
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  12. Silva

    Silva Master Guru

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    55nm, really? What dodgy factory did they came from? Probably costed a few cents each too...
    I know I/O doesn't scale that well with die nodes, but I'd imagine they'd do it around 22nm on an old fab.
     
  13. Evildead666

    Evildead666 Maha Guru

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    Its from the AMD Chipset wiki, that references an Anandtech interview with Lisa Su, where they state "Q6: It has been noted that AMD has been working with ASMedia on the chipset side of the platform, using a 55nm PCIe 3.0x4 based chipset. ..."

    I would expect the next step to be 28nm, should be really cheap by now, and would have a lot of die area benefits over 55nm.
    Then again, 40nm might be enough.
     
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  14. Kaarme

    Kaarme Ancient Guru

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    ASMedia is surprisingly antiqued company, working on 55nm still, yet trying to be a part of the latest generation of mobos. But then again, mobo manufacturers would like to only pay pennies for the components, no doubt, like Silva said. After all, the B series won't be the high profit margin series, so every cent matters.
     
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  15. AcidSnow

    AcidSnow Master Guru

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    Hmmm, I've been researching X570 boards for the past few days trying to find a good one that doesn't have a bunch of stuff I don't need. These B550 boards sound right up my ally!
     

  16. schmidtbag

    schmidtbag Ancient Guru

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    A bit disappointing the chipset runs at PCIe 3.0. I suppose this is still an overall better option than X470, but not much. To me, the whole point of getting the 500 series over older generations is PCIe 4.0.
     
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  17. insp1re2600

    insp1re2600 Master Guru

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    ill stick with a x470 and an m2 pci-e expansion card.
     
  18. Jawnys

    Jawnys Member Guru

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    i did buy an x570 but i had a b350m so i did upgrade but if i had a x370 or x470 i wouldnt have to be honest, im waiting for blackfriday to see if i can get a ssd 4.0 for a decent price
     
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  19. Kaotik

    Kaotik Member Guru

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    " The good news is that with four extra Gen 4 lanes from the CPU, you can still opt to go with an M2 PCIe 4.0 slot. The rest, incl videocards thus is gen 3.0."
    This is wrong.
    Ryzen 3000 -CPUs have total of 24 PCIe4 lanes, 16 dedicated for gfx, 4 for m.2 and 4 for chipset. B550 being PCIe3 chipset doesn't change that at all, it still eats that x4 link which just will operate in PCIe 3 mode, the other two, however, will still be PCIe4 (gfx, m2).
    Unless AMD specificly forbids it, B550 motherboards will support PCIe4 graphics from the CPU, as well as PCIe4 M.2, just like those 3xx and 4xx motherboards could support PCIe4 from CPU if the motherboard wirings would fit the PCIe4 spec until AMD decided it's a no-no.

    In other words: With B550 motherboards only difference in PCIe compared to X570 should be the chipset connected lanes - it doesn't affect the main M.2 slot nor first PCIe x16 slot which are wired directly to CPU, unless AMD artificially decides to put in some limitations like with 3xx and 4xx.
     
  20. ladcrooks

    ladcrooks Master Guru

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    If true, this will be welcome by many :cool:

    Does Scully sit on the same side of the fence as you? The truth is out there! :D

    Sorry Mulder - that remark was fitting for the high end 570 not the 470, must change these bloody glasses :p
     
    Last edited by a moderator: Sep 25, 2019
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