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AMD RX 480 Review Thread - Page 166

post #1651 of 3674
Quote:
Originally Posted by Waitng4realGPU View Post

That's a freakin sweet spoiler lol.
I thought it was the peaks that were the problem?

PCI-SIG spec is something like 1 minute running average. Average is important, unless you are peaking high enough to vaporize a trace.
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post #1652 of 3674
Quote:
Originally Posted by nagle3092 View Post

Spec is 75w so that would be around 7% over.

That's probably within tolerances then? People on OCN couldn't have made a mountain out of a molehill? That doesn't happen here right? biggrin.gif
post #1653 of 3674
480 4GB vs 480 8GB

Almost no difference as I expected. For 1080p no reason to go 8GB and 40$ more, imo
post #1654 of 3674
Quote:
Originally Posted by KarathKasun View Post

Oh look, the 750 Ti averages... 66w, right on spec.

RX 480 averages where again? Oh yes, 80w or 20% out of spec. At stock no less.

Isn't the PCI-e limit 75w? How is 80w 20%? I'm curious.
post #1655 of 3674
Quote:
Originally Posted by nagle3092 View Post

Spec is 75w so that would be around 7% over.

If you think your board is going to melt by being 7% over spec your dreaming. 75w is 6 pin spec yet you can pull almost 200w through it. Its ok though because its AMD so lets jump to conclusions.

No. Its 75w 12v and 3.3v combined. 12v line is specced for 66w.
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post #1656 of 3674
Quote:
Originally Posted by Ha-Nocri View Post

480 4GB vs 480 8GB

Almost no difference as I expected. For 1080p no reason to go 8GB and 40$ more, imo
Not yet, perhaps.

It's a balancing act between the VRam and the power of the GPU. if the GPU is too weak, it won't be able to use all the ram that's available to it.
If it's too strong, it'll be memory starved (Think Fury X)

I'd say:

If you're planning on staying stock, get 4
If you're planning on pushing mad OC, get 8?

Who knows. I'd prefer it if more people went 8, then more developers could code with 8 GB in mind, since it would be considered mainstream
post #1657 of 3674
Quote:
Originally Posted by KarathKasun View Post

No. Its 75w 12v and 3.3v combined. 12v line is specced for 66w.

Yeah I was referring to the whole slot, you are correct that 12v is rated for 66w.

Still its a non issue, think about boards with 4 pcie slots, do you think they quadruple the thickness of traces for them? Theoretically if you wanted to stay in spec then the board itself has to be able to supply 300w of power alone. 264w on the 12v line alone. This is a non issue, no one blew up a board when reviewing, I dont see it happening anywhere else.
 
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post #1658 of 3674
Quote:
Originally Posted by nagle3092 View Post

Yeah I was referring to the whole slot, you are correct that 12v is rated for 66w.

Still its a non issue, think about boards with 4 pcie slots, do you think they quadruple the thickness of traces for them? Theoretically if you wanted to stay in spec then the board itself has to be able to supply 300w of power alone. 264w on the 12v line alone. This is a non issue, no one blew up a board when reviewing, I dont see it happening anywhere else.

Usually a 4 slot board will have aux power connectors for the pcie bus.
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post #1659 of 3674
Quote:
Originally Posted by Ha-Nocri View Post

480 4GB vs 480 8GB

Almost no difference as I expected. For 1080p no reason to go 8GB and 40$ more, imo

Its the same card. If you buy 4GB I think you can flash it to 8GB. You save $40 biggrin.gif.
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post #1660 of 3674
Quote:
Originally Posted by KarathKasun View Post

Usually a 4 slot board will have aux power connectors for the pcie bus.

Some do but they all dont, and you are not required to use them.
 
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