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Polaris RX 480 / RX 470 / RX 460 Discussion Thread - Page 74  

post #731 of 991
Quote:
Originally Posted by zdziseq View Post

i'm sorry but where is that +1 phase in ref PCB? I see only 6 phases (gpu4+2mem/link)
I think MSi decided to do not use PCIE power so they dont use that thing on right. And as you see its not even mark as phase +1/

Time will tell thumb.gif

physically there are what looks to be 8 on there, but if its like my coming 290 which is a physical 6+2phase the 2 extra phases combine and act as a single phase for memory/link voltage so effectively 6+1 phase. The rx480 GPU power plane is split 3 to pcie 3 to peg and a +1 phase to pcie that pulls memory voltage from the pcie power (hence why memory clocks dont effect peg power draw.) Most likely the PCIE 12v and the Aux act as a single phase.
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post #732 of 991
Quote:
Originally Posted by zdziseq View Post

i'm sorry but where is that +1 phase in ref PCB? I see only 6 phases (gpu4+2mem/link)

The Phases labelled 1-4 and 5+6 are all for the core. What is labelled AUX is well AUX stuff. And the phase next to the PCIe 6 pin is the one for memory.
post #733 of 991
Quote:
Originally Posted by deeper-blue View Post

The Phases labelled 1-4 and 5+6 are all for the core. What is labelled AUX is well AUX stuff. And the phase next to the PCIe 6 pin is the one for memory.

This pretty much, MSI dropped 2 phases from the core which limits overclocking headroom and increases heat. It'll work fine but they just needlessly chopped the reference power delivery to increase margins most likely
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post #734 of 991
Quote:
Originally Posted by rv8000 View Post

#1 reason to avoid ASUS
Actually he is right. Reference is 6+1, msi gaming "x" version is 4+2, so unless they release a gaming Z version the msi aib cardsare going to have hotter and less efficient power delivery.

The nitro and Xfx boards are looking to be the best so far; no shots of the devil 13 pcb and asus pretty much never delivers for amd cards.
For AMD cards, definitely. They really got bad year after year with making AMD cards and their RMA. Unfortunately you can't tell when you are buying the product it only shows and changes later that they mess up almost every AMD card with their OC or cooler and then don't even wanna deal with the resulting RMAs.

Here is some new and exciting info from Sapphire's livestream, pic is from Reddit.


Edited by JackCY - 7/17/16 at 1:51pm
post #735 of 991
Quote:
Originally Posted by rv8000 View Post

#1 reason to avoid ASUS
Actually he is right. Reference is 6+1, msi gaming "x" version is 4+2, so unless they release a gaming Z version the msi aib cardsare going to have hotter and less efficient power delivery.

The nitro and Xfx boards are looking to be the best so far; no shots of the devil 13 pcb and asus pretty much never delivers for amd cards.
Not quite. Stuff gets hot if it was designed badly or have inproper cooling. While efficiency is always at side of lesser phased vrm desing. Check some of the reviews of mother boards.
post #736 of 991
Quote:
Originally Posted by zdziseq View Post

Wrong! MSI has the same phases as ref. Look closer for PCB. Free places is for two more phases so PCB is ready for 6+2 (not like 4+2 as ref.)
Phases for mem and vref is on the left side chip.

LOL biggrin.gif , I guess you'll be adding the extra phases to MSI board wink.gif .
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post #737 of 991
AMD pull your stuff together and give us those custom RX 480s, or people will simply pay the extra and buy 1060s instead which are faster in the poorly written engines optimized for nGreedia and don't exploit parallelism enough. No one wants to wait forever for a card that will barely match the slowest offering from Nvidia this summer.
post #738 of 991
Quote:
Originally Posted by JackCY View Post

AMD pull your stuff together and give us those custom RX 480s

+1 thumb.gif .
Edited by gupsterg - 7/17/16 at 4:28pm
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post #739 of 991
Quote:
Originally Posted by prznar1 View Post

Not quite. Stuff gets hot if it was designed badly or have inproper cooling. While efficiency is always at side of lesser phased vrm desing. Check some of the reviews of mother boards.

Fewer phases = more load per phase = more heat per each individual vrm component = more heat = worse efficiency.

Source: Science & Engineering
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post #740 of 991
Quote:
Originally Posted by rv8000 View Post

Fewer phases = more load per phase = more heat per each individual vrm component = more heat = worse efficiency.

Source: Science & Engineering
So tell me, why in each motherboard review simpler vrm was always the one with lower powerdraw?
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