whats up with my gpu?!

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thesupergeek

thesupergeek

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Mar 19, 2013
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anyways, I recently "upgraded" from a nvidia gtx 560ti to a radeon 7870 his iceq edition. I was expecting little to no performance upgrade, but I was planning to swap the 4850 in my little sisters rig for the newer and faster 560ti. my other reasoning for buying the radeon 7870 is it looked cool and matched (or stood out) from my black red and blue rig. It was also because it was on sale for 199$ and why the f@#! not. anyways, the weirdest thing happened. all my games that I normally play saw massive 60-100fps performance increases, even though they are running the same rez and graphics settings. I was so confused, I underclocked the card from its modest gpu boost and everything. also, the fan is quite and I rarely see temperature over 28c! even at full load! did I luck out and get a nice card, or is the 7870iceq really that good. I have been running planetside 2 at 150fps maxed out settings with fraps and a few other backround programs. just to be sure its not just my lga 2011 i7 3820 working its magic, I pulled the card out and ran it in my i5 2500k rig with similar performance (90-100fps in large battle sequences compared to 50-60 from the 560ti)
 
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7870 plus steady driver improvements from Radeon = happy happy!.

Although that is a pretty big jump. Check catalyst control center and see if pretty much all the settings are on "use application settings"

It may not actually be using however much AA you have your game set to, etc. Thus such a big fps increase.

It should/will be a fair bit faster than a 560tithough. Also, how much video memory does the 560 have? 1GB?
Doubling the on card video memory makes a lot of difference.
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exroofer

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Jun 4, 2013
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7870 plus steady driver improvements from Radeon = happy happy!.

Although that is a pretty big jump. Check catalyst control center and see if pretty much all the settings are on "use application settings"

It may not actually be using however much AA you have your game set to, etc. Thus such a big fps increase.

It should/will be a fair bit faster than a 560tithough. Also, how much video memory does the 560 have? 1GB?
Doubling the on card video memory makes a lot of difference.
 
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thesupergeek

thesupergeek

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Mar 19, 2013
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really? from what I heard, more vram has to do with running at a higher resolutions, and I am on a couple of generic 1080p monitors, wich botha cards should handle fine, even though the gtx 560ti only has 1 gb.
 
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exroofer

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Well, from watching video memory used on my other monitor, I can tell you that my more intensive games use above 1GB (around 1.3 ish to 1.4) on Mechwarrior Online for example. On a 1080 monitor. So if this is the case for you, and you now have a 2GB card, it would make sense that you are seeing large improvements. If the game needed to use some portion of system ram combined with vram before, and now it does not, in combination with a faster gpu, you would get the results you are seeing.

Also I have seen from Tom's various benchmarking tests that certain games are more friendly with Nvidia, and some run better on Radeon. Perhaps your games are Radeon friendly. Now if you stack all those differences up, you get the gains you describe.

Sounds like a winner to me. Happy happy!. Enjoy!
 
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