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GTX 660Ti vs GTX 580 upgrade ?

post #1 of 13
Thread Starter 
So the GTX 660Ti has lauched and I have been looking at retirering the GTX 580s since they done a great job.

Initially I wanted 3x GTX 680's but the pricetag would be too big for what my wallet and what my 'better half' would accept. So I waited for GTX 670 which were cheaper and perhaps 2-way SLi would suffice but then questioned the performance gain 2x GTX670 vs 3x GTX580.
Then rumors of the GTX 660Ti appeared and I decided to wait with updating the graphics cards and instead upgrade the Intel system with P55 & Core i7 870 to X79 & Core i7 3820.

So I've been looking at upgrading to 3x GTX660Ti's and when I look at the reviews these cards are usually 5-10FPS faster than GTX 580 at 1920x1200 with 4xMSAA, and actually I don't think that is half bad.

When looking at Guru3D's 2-way and 3-way SLi scaling they look very good. Some places GTX 660Ti 2-way SLi just blows away GTX 580 2-way SLi.... therefore I try to imagine what that would translate into with 3x GTX660Ti vs 3x GTX580s!
- the boost could be better with more cards than just one.

My worries are how GTX660Ti with it's 192bit bandwith will handle anti-aliasing against GTX 580s 384bit bandwith, but it seems like it has no problems. However I am concered if it can handle more than 4xMSAA without loosing ground to GTX 580. I like playing games with 8x or 16xMSAA/QCSAA depending on the game.

Well I shall cut the question to the bone !
Is it totally nuts and bollocks to replace 3x GTX 580 1.5GB cards with 3x GTX 660Ti 2GB cards to "risk" getting better performance at "low anti-aliasing levels" 2x/4xAA but worse performance at 8x/16xAA ?

If upgrading I aim for that the resale value of my 3 GTX 580 can cover the expenses of 2 GTX 660Ti (cheapest available model). That would mean my expense would be down payment out of my own pocket for one GTX 660Ti.

I'm not playing that much due to lack of time, but when I play I want a really good experience smile.gif
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post #2 of 13
As someone who owned a 660ti for a couple days before returning it, I can confirm that AA did murder the frame rate. If you want to play with 8x and 16x, it's not going to cut it. Look into a 670 at the minimum.
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post #3 of 13
Seems like a lot of money for a very marginal gain but I havent done enough research yet. Would you be able to recover any of the costs by selling the 580s?
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post #4 of 13
Stay with 580s.
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post #5 of 13
GTX 660 Ti is just not an option. Buying a card which can perform at times like a GTX 580 or lower because of bandwidth constraints is not the best idea. Two factory overclocked GTX 670s are the best option for upgrading from a 3 x GTX 580 setup.three benefits.

1. Definitely performance will be on par or higher than 3 x GTX 580 with a couple of GTX 670s overclocked to 1250 Mhz .
2. Much cooler running setup with lower power draw. that alone is a good reason to make the change. if you are a person who plays a lot of hours per week that GTX 670 SLI will start paying for itself in the form of reduced power bill.
3. 2 GB VRAM for GTX 670 vs 1.5 GB for GTX 580.

The card you need to look at is EVGA GTX 670 FTW 2 GB. a GTX 580 can easily fetch you 225 to 250 bucks. So effectively you will spend around 100 bucks or less for a couple of EVGA GTX 670 FTWs.
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by TheOctane View Post

Seems like a lot of money for a very marginal gain but I havent done enough research yet. Would you be able to recover any of the costs by selling the 580s?

Yea that's the case. I see GTX 660Ti SLi scaling that is even better than GTX 580 SLi and also if you compare them just one by one card it just seems as if throwing 2 or 3 of them together will give a substantial boost. While GTX660Ti on its own may be 7-10% better than GTX 580, then when in SLi 2x GTX660Ti is now 20% better than GTX 580 SLi. I can't fully figure out if theres a gain, and if it'll dissappear once high levels of AA is enabled and maybe even drop down under GTX 580 SLi performance.
I would hope selling 3 gtx580 can cover the expenses of 2 new GTX660Ti's.

But still... I'm not sure yet. Some games/test the cards seems like a really good deal and other games/tests not. The hughe lead in 3Dmark11 performance score over GTX 580 just really feels misleading.
Quote:
Originally Posted by raghu78 View Post

GTX 660 Ti is just not an option. Buying a card which can perform at times like a GTX 580 or lower because of bandwidth constraints is not the best idea. Two factory overclocked GTX 670s are the best option for upgrading from a 3 x GTX 580 setup.three benefits.
1. Definitely performance will be on par or higher than 3 x GTX 580 with a couple of GTX 670s overclocked to 1250 Mhz .
2. Much cooler running setup with lower power draw. that alone is a good reason to make the change. if you are a person who plays a lot of hours per week that GTX 670 SLI will start paying for itself in the form of reduced power bill.
3. 2 GB VRAM for GTX 670 vs 1.5 GB for GTX 580.
The card you need to look at is EVGA GTX 670 FTW 2 GB. a GTX 580 can easily fetch you 225 to 250 bucks. So effectively you will spend around 100 bucks or less for a couple of EVGA GTX 670 FTWs.

When looking at more and more reviews, that is also the picture that appears to come to mind.
The way to go would perhaps be to wait for GTX 670 2GB to get down into the 2500Dkk price range = £260 - right now at least in Denmark they are still in the 2900Dkk = £300 price range.
Edited by Gripen90 - 8/17/12 at 5:08am
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post #7 of 13
Quote:
Originally Posted by raghu78 View Post

GTX 660 Ti is just not an option. Buying a card which can perform at times like a GTX 580 or lower because of bandwidth constraints is not the best idea. Two factory overclocked GTX 670s are the best option for upgrading from a 3 x GTX 580 setup.three benefits.
1. Definitely performance will be on par or higher than 3 x GTX 580 with a couple of GTX 670s overclocked to 1250 Mhz .
2. Much cooler running setup with lower power draw. that alone is a good reason to make the change. if you are a person who plays a lot of hours per week that GTX 670 SLI will start paying for itself in the form of reduced power bill.
3. 2 GB VRAM for GTX 670 vs 1.5 GB for GTX 580.
The card you need to look at is EVGA GTX 670 FTW 2 GB. a GTX 580 can easily fetch you 225 to 250 bucks. So effectively you will spend around 100 bucks or less for a couple of EVGA GTX 670 FTWs.
This! And you won't be crippled by the 192-bit memory bus.
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post #8 of 13
If i'm you, i'm sticking with my 3 580's for the long haul; until the next process shrink. Unless power and heat are a big issue right now.
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post #9 of 13
660 Ti is a side grade from the GTX 580 at best.
Depending on the game you play, you may get higher fps in some and lower fps in the others.
If the game depends highly on bandwidth the GTX 580 will be faster, if the game depends more on the architecture the 660 Ti is better.
(ie; In games like Metro2033, Crysis & Crysis Warhead your GTX 580s are going to crash GTX 660 Ti's. In games such as Battlefield 3 & Crysis 2 the GTX 660 Ti's will be faster than your GTX 580s.
You should get GTX 670s or higher to make sure they beat your 580s in everything.
GTX 660 Ti not worth it IMO in your case.
Edited by HeadlessKnight - 8/18/12 at 6:39am
post #10 of 13
Quote:
Originally Posted by HeadlessKnight View Post

660 Ti is a side grade from the GTX 580 at best.
Depending on the game you play, you may get higher fps in some and lower fps in the others.
If the game depends highly on bandwidth the GTX 580 will be faster, if the game depends more on the architecture the 660 Ti is better.
(ie; In games like Metro2033, Crysis & Crysis Warhead your GTX 580s are going to crash GTX 660 Ti's. In games such as Battlefield 3 & Crysis 2 the GTX 660 Ti's will be faster than your GTX 580s.
You should get GTX 670s or higher to make sure they beat your 580s in everything.
GTX 660 Ti not worth it IMO in your case.
Exactly. It is definitely a side grade, and in some games a down grade. The extra memory in the 660 Ti is negated by the smaller memory bus.
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