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8+2 phase VRM vs DIGI+ VRM (6+2).

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poohbear

Platinum Member
Hey all, im seeing alot of marketing for mobos emphasizing different VRM phases of mobos that purport to supply "stable & clean" voltage to the CPU. There's the high end "8+2 phase VRM", and the newer termed "DIGI+ VRM" (6+2 phase) that is marketed by Asus & Asrock. The latter's marketing states its "digitaly controled" hence delivering more accurate & stable voltage.

look here & scroll down for the Asus explanation of "DIGI+VRM":

http://www.newegg.com/Product/Produc...82E16813131757

Would the above be equal in overclocking to an 8+2 phase VRM mobo?

Can anyone elaborate beyond the marketing BS? How important is this stuff? Im surprised a midrange Gigabyte 8+2 phase VRM mobo is cheaper than a mid range Asus 6+2 phase VRM (but has "DIGI+VRM"), but all high end mobos have the 8+2 phase VRM and emphasize it alot.

Thanks in advance for any clarification.
 
I thought that digital VRMs meant that the motherboard automatically gave the most power to parts that needed it.

Of course, i could've thought wrong.
 
wow those links are a treasure trove of info! thanks alot guys, gonna be doing more research into this stuff! much appreciated!

so ultimately, an 8+2 Analog PWM system is still better than a 6+2 Digital PWM system? is that about correct?
 
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i would think so (digi is better than analog) but 8 is still better than 6.
asus does have an 8+2 digi+ vrm tho (990fx sabertooth) unsure which chipset u are looking into, intel/amd...
 
poohbear said:
Hey all, im seeing alot of marketing for mobos emphasizing different VRM phases of mobos that purport to supply "stable & clean" voltage to the CPU. There's the high end "8+2 phase VRM", and the newer termed "DIGI+ VRM" (6+2 phase) that is marketed by Asus & Asrock. The latter's marketing states its "digitaly controled" hence delivering more accurate & stable voltage.
.....
Click to expand...

I made a similar topic in the MB section and the response to such tech was mehh/BS... http://forums.anandtech.com/showthread.php?t=2207727

I still haven't read thru the sinhardware articles/reviews but I'm wondering even if double digit power phases are BS, is integration of VRM components (eg Gigabyte's mosfet+driver) a very good thing and gives Gigabyte a genuine leg up over other manufacturers.
 
lau808 said:
i would think so (digi is better than analog) but 8 is still better than 6.
asus does have an 8+2 digi+ vrm tho (990fx sabertooth) unsure which chipset u are looking into, intel/amd...
Click to expand...

im looking @ the AM3+ 970 chipset. Yes i'd assume the top of the line 990fx which costs $200+ would have all those features, but im talking a midrange mobo that would have that.
 
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