2. Fórumok
  3. Processzorok, tuning
  4. Kedvezménnyel segíti a platformváltást az AMD

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  • #46 nubreed veterán tibaimp #45
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    nubreed

    veterán

    válasz tibaimp #45 üzenetére

    Pont itt van erről egy cikk, ami összefoglalja az okokat, az is benne van amit írsz, de ennél még sokkal több minden is, egy részlet:

    AMD’s AM4 socket has soldiered on since 2017, housing five CPU generations spanning 125+ processors in over 500+ different motherboard designs, but now AMD is moving forward with the AM5 socket for Ryzen 7000. However, the AM5 motherboard ecosystem has proven to be more expensive than the previous-gen AM4 models and similar Intel motherboards, thus increasing the total platform cost. Much of this increased cost can be attributed to design decisions.
    AMD has adopted a chiplet-based motherboard chipset, meaning some models come with two of the ‘Promontory 21’ chipsets daisy-chained together for the X670 / X670E motherboards, while B650 receives a single chipset.
    We’re told that a single B650 chipset costs roughly the same as Intel’s Z790 chipset, and much more than the yet-to-be-launched B760 chipsets for Raptor Lake. Additionally, X670 has two chipsets that not only double that price, outstripping the price for Intel’s Z790 by a sizable margin, but the dual-chipset approach adds complexity and cost in both motherboard design and manufacturing.
    AMD’s new AM5 socket also uses a Land Grid Array (LGA) design, a first for the company’s mainstream PC platform. For now, the AM5 socket and retainer are more expensive than Intel’s, though this price is expected to decrease over time as volume ramps.

    AMD’s power delivery subsystem has also become a pricing pain point, and much of that is due to the new design. As we demonstrated in the power analysis section of our review, much of Ryzen 7000’s performance gains come from vastly improved power delivery that helps unlock new levels of performance. AMD defined a new 170W TDP range, a new high for Ryzen, and increased peak power to 230W, a significant increase over the previous-gen Ryzen 5000’s 142W limit. AMD also increased the EDC and TDC amperage.

    Key to this is an improved platform power interface, SVI3, that allowed AMD to move from two variable power rails to three, thus enabling better control of the power delivery to the socket. The SVI3 interface provides continuous and more accurate telemetry for voltage, current, power, and temperature for multiple onboard voltage regulators, while the previous-gen SVI2 didn’t allow power and temperature monitoring. This allows AMD to pump more power into the socket. SVI3 also enables enhanced power states that help save power, like phase shifting (shutting off phases when not needed).

    forrás: [link]

    Szóval kb a teljes dizájn felfelé vitte az árakat bármely részéről is legyen szó az új AM5 alaplapoknak. És talán várható némi árcsökkenés ha felfut a gyártás, de amíg eleve nem veszik az emberek az új platformot a brutál drága alaplapok miatt, addig miért is várjuk, hogy felfusson a gyártás? Nekem ez ilyen 22-es csapdájának tűnik.

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