Gtx 480 sli

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toyota

Lifer
Apr 15, 2001
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didn't read the entire thread... do you have a wattage reader? or can you get one?
that wont make any difference because he cant safely test it until he gets a new psu anyway. a quality 850 watt psu will be sufficient and allow some overclocking and still have decent headroom.
 

coffeejunkee

Golden Member
Jul 31, 2010
1,153
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Here come the graphs . Nobody plays furmark and you cant even produce those kinds of numbers with the driver limitations nVidia/ATI have imposed on furmark since. Anandtech leaves out dated sh t on their bench site. You're looking at 400 to 600 watts from the wall with 2 480's in a typical game, 850 is more than fine and 2 480's would put a 670 to shame performance wise. As long as you don't have issue with the heat or noise and you already have the cards just get a new psu and save your cash for GPU's that actually deliver coming out next year.

http://www.youtube.com/watch?v=ZNhof-2nP2M

Iirc Metro 2033 actually uses more power than Furmark? But how do you know HD8000 will deliver? I wasn't too impressed by HD7000 series.

My advice btw, forget GTX480 sli. Sell cards, keep psu and get 1 GTX670 or 680.
 
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Nov 26, 2005
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that wont make any difference because he cant safely test it until he gets a new psu anyway. a quality 850 watt psu will be sufficient and allow some overclocking and still have decent headroom.

No. Most games don't pull wattage like Furmark does. Furmark is a GPU killer, imo. With my old 5870s in xfire I was pulling low to mid 400s while playing UT3. Furmark pulled close to 600w iirc
 

The_Golden_Man

Senior member
Apr 7, 2012
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I advice against running Furmark or the latest OCCT GPU test. They are overkill, and are dangerous for your cards. Instead use games to test stability.
 

toyota

Lifer
Apr 15, 2001
12,957
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No. Most games don't pull wattage like Furmark does. Furmark is a GPU killer, imo. With my old 5870s in xfire I was pulling low to mid 400s while playing UT3. Furmark pulled close to 600w iirc
who said anything about furmark? his system would peak around 600 watts in demanding games.
 
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ARosch

Member
Apr 12, 2012
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Hmmm seems to be a lot of confusion between which is better 480 SLI or a 670. I tend to favor the 480 idea because I don't want to have to try to find buyers for my cards.

For what it is worth, the games I will be playing are Starcraft II and maybe Battlefield.
 

The_Golden_Man

Senior member
Apr 7, 2012
816
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A GTX 670 will be about 50% faster VS a single GTX 480, as far as I can remember. So GTX 480 SLI, as long as you have close to 100% SLI scaling in a game, will probably be about 50% faster VS a single GTX 670. However, not all games support SLI, and those who do, are in many cases far from 100% SLI scaling.

Nonetheless, GTX 480 SLI will be very fast, but also very powerhungry.
 

toyota

Lifer
Apr 15, 2001
12,957
1
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Hmmm seems to be a lot of confusion between which is better 480 SLI or a 670. I tend to favor the 480 idea because I don't want to have to try to find buyers for my cards.

For what it is worth, the games I will be playing are Starcraft II and maybe Battlefield.
480 sli is faster but a 670 would be a much better choice imo. you would get about 80% of the performance of 480 sli while using 300 watts less.
 

3DVagabond

Lifer
Aug 10, 2009
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The power requirements for the 480 are pretty well known. The recommendation for a good 850W unit is a good one, IMO.

Deciding on which one exactly isn't that simple. If, for example, the OP wants fully modular, modular, or maybe modular cables doesn't matter? Does he prefer single rail or multi-rail? Modular and single rail are more in vogue right now, but not necessarily better. Especially bang for the buck. Does he want Gold, Silver, or Bronze 80+? For $150 850W unit you could probably find as many recommendations as there are people with opinions.
 
Nov 26, 2005
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Get a wattage reader first, it's a win win situation. There is no depreciation value on a reader and it's performance.
 

3DVagabond

Lifer
Aug 10, 2009
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Get a wattage reader first, it's a win win situation. There is no depreciation value on a reader and it's performance.

If his current PSU is too small how is that going to help? It can't read any higher than his PSU can supply. Keep in mind that you don't want to run the PSU at, or near, it's limit.
 
Nov 26, 2005
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If his current PSU is too small how is that going to help? It can't read any higher than his PSU can supply. Keep in mind that you don't want to run the PSU at, or near, it's limit.

You are assuming. It's going to help find out for sure. Plus he can use it later on down the road. It's at most 20$ Who says he has to use it for his PC anyways, he can use it elsewhere. Do other wattage readers come out that will out-perform any current one like video cards and CPUs do in ~ 6 months? A reader doesn't depreciate in value like a GPU or CPU does.

I've also stated not to go beyond 50-80% usage on a PSU for long extended periods.
 

3DVagabond

Lifer
Aug 10, 2009
11,951
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You are assuming. It's going to help find out for sure. Plus he can use it later on down the road. It's at most 20$ Who says he has to use it for his PC anyways, he can use it elsewhere. Do other wattage readers come out that will out-perform any current one like video cards and CPUs do in ~ 6 months? A reader doesn't depreciate in value like a GPU or CPU does.

I've also stated not to go beyond 50-80% usage on a PSU for long extended periods.

I'm not saying he shouldn't have a wattage reader in his tool kit. Sorry, I didn't say that and might have inferred it. A 630W PSU is too small for SLI'd 480's though. You don't need to measure the distance from the roof of your house to the ground to know it's going to hurt when you land if you jump off of it.
 
Nov 26, 2005
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So what exactly is the Wattage draw then on a pair of SLI 480s in Star Craft II & Battlefield?

That's the major point. It's better to have a wattage reader than not, than spend money on a PSU and not know the difference.

Lets get out of this asinine argument and ask why he isn't getting a GTX 670 in 2012 anyways. that's what irks me the most..

He could probably get rid of the 480s for 150-170 a piece.. maybe 300 for both and use that money for a GTX 670 while still maintaining the 150$ price point/max he wants to spend and probably come out even or under while staying reasonably within his PSU capacity range. That makes the most sense to me.
 

3DVagabond

Lifer
Aug 10, 2009
11,951
204
106
So what exactly is the Wattage draw then on a pair of SLI 480s in Star Craft II & Battlefield?

That's the major point. It's better to have a wattage reader than not, than spend money on a PSU and not know the difference.

Lets get out of this asinine argument and ask why he isn't getting a GTX 670 in 2012 anyways. that's what irks me the most..

He could probably get rid of the 480s for 150-170 a piece.. maybe 300 for both and use that money for a GTX 670 while still maintaining the 150$ price point/max he wants to spend and probably come out even or under while staying reasonably within his PSU capacity range. That makes the most sense to me.

Well the reason for this "asinine argument", as you put it, is because it answers the OP's question. I agree that replacing the 480's (I hate 480's) is good advice. It's just not what was being discussed.
 
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