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Gigabyte Z97X UD5H and the Gaming G1

Jetster

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Just curious why the different number of chokes on the two boards. The first is the UD5H and second Gaming G1 which is $100 more and less chokes. I know the boards have different features but the sockets are basically the same. Maybe the Gaming G1 has a better power phase? But I thought each phase has one choke but I'm no expert.

UD5H




Gaming G1

 
Jetster

Jetster

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I did find one one hiding but it appears the G1 has 10 and the UD5H has 12

Well I think the G1 only has 10 phases? I just don't understand why the UD5H is $100 less has more features and the G1 has an extra PCI-E slot
 
Last edited:
cadaveca

cadaveca

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GAMING G1 has PLX and supports 4x VGA. Different audio design with swappable OPAMP, more SATA etc.. I'll have a review of the GAMING G1 BK soon.
 
buildzoid

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I'm not too sure about on how many different voltages Haswell VRMs need to supply so I can't tell you for sure. But if the CPU is only being fed one voltage the G1 has a more accurate VRM
 
cadaveca

cadaveca

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buildzoid said:
I'm not too sure about on how many different voltages Haswell VRMs need to supply so I can't tell you for sure. But if the CPU is only being fed one voltage the G1 has a more accurate VRM
Click to expand...
Yep, voltage regulation for individual CPU domains happens inside the chip, and we're talking about MAYBE 200W on OC needed. That's 25W per phase. In practice, however, it's more like 125W, or about 15W per phase needed on OC. Plus, like you alluded to, VRM components can vary widely in both quality, and accuracy.
 
Jetster

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Very helpful. Thanks
 
buildzoid

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cadaveca said:
Yep, voltage regulation for individual CPU domains happens inside the chip, and we're talking about MAYBE 200W on OC needed. That's 25W per phase. In practice, however, it's more like 125W, or about 15W per phase needed on OC. Plus, like you alluded to, VRM components can vary widely in both quality, and accuracy.
Click to expand...
well if there is 1 voltage then the 12 phases are running of a doubler and are as accurate as a 6 phase design. The G1 on the other had is a true 8phase so it's better.
 
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