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GTX 660Ti VS HD 7950

Last response: in Graphics & Displays
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January 9, 2013 1:42:23 AM

I am building a rig right now and need to pick between SLi Gigabyte GTX 660Ti WF2 2GB vs MSI 7950 3GB in CFX. Now I hear around there are a lot of issues with Crossfire going on now with scaling and micro-stuttering, a lot more then SLi at the moment. Also I would be saving money with the Gigabyte GTX 660Ti WF2 in SLi I would be saving money and that would allow me to buy a pretty good gaming headset. Here is my current build

i5 3570k
corsair h100i extreme liquid cooling
gigabyte ga-z77x-ud3h
gigabyte gtx 660 ti windforce (2x SLi) or msi hd 7950 3gb (CFX)
8gb corsair vengeance LP (2x4gb) (9-9-9-24)
seagate barracuda 1.5tb 7200 rpm hdd
corsair tx850 v2 (80 plus bronze)
cooler master storm trooper atx case
samsung internal dvdr-rw 24x drive
razer blackwidow ultimate 2013 ed.
corsair vengeance 1500 gaming headset

optional sound card and headset depending on whether I go with GTX 660Ti SLi or spend more on HD 7950 3GB in CFX. I am set on going with either setup, so please do not try to get me to get a single gpu at this time, which one do you like more right now?

More about : gtx 660ti 7950

January 9, 2013 1:53:31 AM

Yeah, I saw that article and for the price of the 660 ti's I think it just makes more sense to go with them. The 660 Ti's get more average FPS as well.
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Related resources
January 9, 2013 1:58:10 AM

http://www.overclock.net/t/1339698/the-eternal-question...

This argument is going on for a while now, but no one is getting those same results. In fact this guy doing his study at home, basically found it was the Ti that had studder issues, not the 7950, and that has to do with the memory the Ti is gimped with. Just my opinion, I would do 7950, more powerful, and the new drivers are a dream.
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January 9, 2013 2:07:50 AM

This is a hard decision because I can get a sound card/gaming headset by saving money and going with the GTX 660 Ti's in SLi or spend a little more and get around the same performance as the 660 Ti's in SLi with the HD 7950 3GB in CFX. That article is fine, but read geofelts, I mean that one is really pretty current and makes sense, look at the benchmarks, also higher average fps in games then the 7950s.

I am not sure which to get but you are right, the 7950s have more vram, a much better bandwidth, and I haven't heard anything about crossfire issues with the higher end AMD cards just the mid-range ones like the 7850/7870s. Makes the choice even harder. Plus with the MSI 7950 3GBs, you get 4 free games for each card!
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January 9, 2013 2:20:53 AM

Yea I've read that article 6 times, 3 days ago I started this journey lol, I was trying to figure out what I wanted to get for the money, and really the 30$ I concluded was worth it because the 7950, in all the tests, is still more powerful. Even with Radeon coming out and saying the latency will be fixed in the next driver, even when there are lots of people, including toms folks, and anandtech, who are trying to duplicate the results TR got and just can't, they show the 7950 winning. I am telling you from everything I have read, searched through, if you are really not able to put up the extra bucks, that's great I understand and you will get an awesome 660 Ti. If you can spare the cash, you will get a much better card that will go further, don't base it off of one websites findings that many people cannot seem to validate. Also, the date on what I posted is after the TR, he did the test to see if there was something strange going on with TR's tests, and he seems to have proven that there was. The overclock article is more current, by 2 weeks.
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a c 163 U Graphics card
January 9, 2013 2:34:35 AM

Another one... LOL.

http://www.tomshardware.com/forum/386945-33-testing-met...

There is a discussion on the techreport subject.

If you have read all about that whole latency issue you would know that AMD is currently working on drivers to fix the issue. The issue is barely real world affecting.

IMO the HD7950 is still the supperior card. It can be OCd a lot more and outperforms the GTX660ti at stock. IT DOES NOT PROVIDE MORE FPS AVERAGE.
In THEIR selection of games it does, but their selection is biased AS THEY HAVE SAID.

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January 9, 2013 2:36:22 AM

true ^ this is a hard decision but now I'm leaning more towards the 7950's in CFX, you get more Vram, more bandwidth and I get a bunch of free games with the cards also. :) 
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a c 163 U Graphics card
January 9, 2013 2:47:02 AM

mf2385 said:
true ^ this is a hard decision but now I'm leaning more towards the 7950's in CFX, you get more Vram, more bandwidth and I get a bunch of free games with the cards also. :) 


Exactly! ;) 
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January 9, 2013 3:14:23 AM

Yeah my build is ready :) 
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a c 163 U Graphics card
January 9, 2013 3:23:15 AM

mf2385 said:
Yeah my build is ready :) 


Great to read!
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January 9, 2013 3:24:49 AM

Should fit in the Cooler Master Storm Trooper Full ATX no problems right with my Corsair H100i cpu liquid cooling? Here's another CM Storm Trooper case with dual 7970's and a regular Corsair H100, not the H100i though, same thing I think pretty much anyways.

http://i46.tinypic.com/2jshuw.jpg
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a c 163 U Graphics card
January 9, 2013 3:33:34 AM

mf2385 said:
Should fit in the Cooler Master Storm Trooper Full ATX no problems right with my Corsair H100i cpu liquid cooling? Here's another CM Storm Trooper case with dual 7970's and a regular Corsair H100, not the H100i though, same thing I think pretty much anyways.

http://i46.tinypic.com/2jshuw.jpg


yes its fine for space.
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a c 163 U Graphics card
January 9, 2013 3:35:05 AM

griptwister said:
The 7950 is a great card... but Imo, this is the better deal right here...

http://www.newegg.com/Product/Product.aspx?Item=N82E168...


That is a reference design, he would be deaf in days.

Below is MUCH better.
This is what I would suggest. 309.99 after rebate and probably the best HD 7950 available. Quiet, good OCer and very cool.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

EDIT : I would get what you suggest if I planned to add an aftermarket cooler. But that add a lot of extra cost.
I can't handle reference designs at all.
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January 9, 2013 3:40:37 AM

Yeah, I had an ASUS GTX 670 Top and it was nice, but I got these cards for a bunch less and it's worth it.
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January 9, 2013 3:48:44 AM

Ok so I can't get from Newegg, I am a Tigerdirect Preferred Customer and I have to get from them, so you're saying pay like $20 more a card for the Sapphire versions? They are all sold out with the Sapphires on TD, ;/. Anything else on there I should look at in the 7950 department?

Novuake said:
That is a reference design, he would be deaf in days.

Below is MUCH better.
This is what I would suggest. 309.99 after rebate and probably the best HD 7950 available. Quiet, good OCer and very cool.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

EDIT : I would get what you suggest if I planned to add an aftermarket cooler. But that add a lot of extra cost.
I can't handle reference designs at all.
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a b U Graphics card
January 9, 2013 3:52:35 AM

Novuake said:
That is a reference design, he would be deaf in days.

Below is MUCH better.
This is what I would suggest. 309.99 after rebate and probably the best HD 7950 available. Quiet, good OCer and very cool.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

EDIT : I would get what you suggest if I planned to add an aftermarket cooler. But that add a lot of extra cost.
I can't handle reference designs at all.

I was going by price, but okay lol.
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a c 163 U Graphics card
January 9, 2013 3:55:31 AM

mf2385 said:
Ok so I can't get from Newegg, I am a Tigerdirect Preferred Customer and I have to get from them, so you're saying pay like $20 more a card for the Sapphire versions?


Sorry, that was just an example from Newegg.

But yes that is what I am saying. Considering that the HD7950 is a GREAT OC card, the better the cooler the better buy it is. Especially if the difference is as little as 20$.

I don't see a Sapphire Vapor-X or Dual-X on tiger direct but this is also pretty good if it not too much more than the one you were looking at...

http://www.tigerdirect.ca/applications/SearchTools/item...
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a c 163 U Graphics card
January 9, 2013 3:56:29 AM

griptwister said:
I was going by price, but okay lol.


I understand that and agree. But I am pointing out that quality is worth paying for when it comes to this sort of thing.
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January 9, 2013 4:15:09 AM

What about if I don't get my Razer Blackwidow Ultimate Keyboard lol, what is a really good 120/128GB SSD for OS/Games? Performance-wise?
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a b U Graphics card
January 9, 2013 4:17:16 AM

Novuake said:
I understand that and agree. But I am pointing out that quality is worth paying for when it comes to this sort of thing.


I agree with this statement. I've never had a reference card before. So, hay, that says that non-reference cards must be worth it. I've never heard a peep out of twin frozer cards.
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January 9, 2013 4:39:48 AM

mf2385 said:
I am building a rig right now and need to pick between SLi Gigabyte GTX 660Ti WF2 2GB vs MSI 7950 3GB in CFX. Now I hear around there are a lot of issues with Crossfire going on now with scaling and micro-stuttering, a lot more then SLi at the moment. Also I would be saving money with the Gigabyte GTX 660Ti WF2 in SLi I would be saving money and that would allow me to buy a pretty good gaming headset. Here is my current build

i5 3570k
corsair h100i extreme liquid cooling
gigabyte ga-z77x-ud3h
gigabyte gtx 660 ti windforce (2x SLi) or msi hd 7950 3gb (CFX)
8gb corsair vengeance LP (2x4gb) (9-9-9-24)
seagate barracuda 1.5tb 7200 rpm hdd
corsair tx850 v2 (80 plus bronze)
cooler master storm trooper atx case
samsung internal dvdr-rw 24x drive
razer blackwidow ultimate 2013 ed.
corsair vengeance 1500 gaming headset

optional sound card and headset depending on whether I go with GTX 660Ti SLi or spend more on HD 7950 3GB in CFX. I am set on going with either setup, so please do not try to get me to get a single gpu at this time, which one do you like more right now?


the 7950 would murder that card, the 7870 is equivalent to the 660 Ti
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January 9, 2013 4:48:08 AM

Yeah man, gonna get the MSI 7950 Twin Frozrs to CFX.
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a c 163 U Graphics card
January 9, 2013 5:16:51 AM

Opaz1ka said:
the 7950 would murder that card, the 7870 is equivalent to the 660 Ti


Bull... READ REVIEWS!
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January 9, 2013 5:32:37 AM

i5 3570k
corsair h100i extreme liquid cooling
gigabyte ga-z77x-ud3h
msi twin frozr 7950 3gb cfx (2x)
8gb ddr3 corsair vengeance (8-8-8-24)
seagate barracuda 1.5tb 7200 rpm hdd
corsair tx850 v2 (80 plus bronze)
cooler master storm trooper atx case
samsung internal dvdr-rw 24x drive
logitech g510 gaming keyboard


Updated build
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a c 163 U Graphics card
January 9, 2013 5:44:41 AM

mf2385 said:
i5 3570k
corsair h100i extreme liquid cooling
gigabyte ga-z77x-ud3h
msi twin frozr 7950 3gb cfx (2x)
8gb ddr3 corsair vengeance (8-8-8-24)
seagate barracuda 1.5tb 7200 rpm hdd
corsair tx850 v2 (80 plus bronze)
cooler master storm trooper atx case
samsung internal dvdr-rw 24x drive
logitech g510 gaming keyboard


Updated build


OK lol now let me help you some more.

H100i is not worth it in my opinion unless you plan on moving your PC a lot.

It equals most high end air coolers but is much more expensive.

http://www.tomshardware.com/reviews/h100i-elc240-seidon...

COnsider a Noctua as the one in that review or even a Thermalright Silver Arrow SB-E extreme(arguably the best air cooler available to date).

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a c 163 U Graphics card
January 9, 2013 5:51:53 AM

mf2385 said:
What about if I don't get my Razer Blackwidow Ultimate Keyboard lol, what is a really good 120/128GB SSD for OS/Games? Performance-wise?


Games do not benefit from SSDs unfortunately, only laoding times. But a very good few SSDs are, Samsung 840 Pro 128GB, OCZ Vector 128GB.
As for the keyboard. I prefer Corsair products. Maybe an K90 or K60 Corsair.
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January 9, 2013 5:53:18 AM

The Noctua is like 90$ almost the same amount, it's huge and will it block anything in the CM Storm Trooper case like ram? Will it really be that more efficient? I had a Corsair H80 and it worked very well for me on my 2500K overclocked to 4.6GHz 24/7. I would need some serious convincing to get a Noctus NH-D14 or H80i instead of H100i like some people say the H80i is better for some reason.
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a c 163 U Graphics card
January 9, 2013 8:50:25 AM

mf2385 said:
The Noctua is like 90$ almost the same amount, it's huge and will it block anything in the CM Storm Trooper case like ram? Will it really be that more efficient? I had a Corsair H80 and it worked very well for me on my 2500K overclocked to 4.6GHz 24/7. I would need some serious convincing to get a Noctus NH-D14 or H80i instead of H100i like some people say the H80i is better for some reason.


The H100i is slightly better, but if you are willing to pay more for the slightly better then I won't discourage you.

The Silver Arrow SB-E performs the same as an 100 at MAX fan speed. But its quite a bit cheaper, BUT its large board coverage and may hinder RAM.

If that concerns you the H100i is a good choice.
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January 9, 2013 3:28:55 PM

I am actually a little worried about space, but yeah I may go with an H80i because it's $20 cheaper and comparable performance to the h100i actually.
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a c 267 U Graphics card
January 9, 2013 3:53:08 PM

Your case has good airflow for cooling.

In such a case, a good air cooler will do the job.
A simple inexpensive cooler like the $30 cm hyper 212 or $20 XIGMATEK Gaia SD1283 will cool almost as well.
Yes, you may not be able to reach a OC of 4.5 and may have to be satisfied with 4.3.
How important is that to you since you have a budget?

If you are willing to spend $80 for a H80, then a noctua NH-D14 or phanteks will cost the same.
The advantage of air is that you will be quieter, and the fewer moving parts make it likely to be more reliable.
With liquid coolers for top performance, they want you to mount the radiator so that it draws in cool air.
The problem is that all that hot radiator air is dumped into the case which impacts the graphics card cooling.
Many cooler tests are done in an open testbed, but we mount them in a case.
Ultimately, all the heat generated within the case must be expelled as efficiently as possible.
I think that is easier if all the fans act in concert to expel the heat.

That applies to the graphics card coolers too.
The double slot direct exhaust coolers will be more efficient in keeping internal heat down.

As to ram interference, just buy low profile ram. 1.5v ram actually does not need any heat spreaders at all. They are mostly for marketing.
Only if you are a record seeking overclocker, then maybe.
The real effect of faster ram or better latencies in FPS or real app(vs. synthetic benchmarks) is minimal once you are past 1600.
Read this:
http://www.anandtech.com/show/4503/sandy-bridge-memory-...
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January 9, 2013 3:57:08 PM

Thanks for your reply geofelt, I mean will the Noctua be better then the h80i? I really did like the space saving performance of my old corsair h80 with my 2500K overclocked to 4.5 24/7. I really would like to be able to do that again with a 3570K, and would pay a bit more for that reliability. I have a budget but I can move a few things around if need be in that budget.
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a c 267 U Graphics card
January 9, 2013 4:50:26 PM

mf2385 said:
Thanks for your reply geofelt, I mean will the Noctua be better then the h80i? I really did like the space saving performance of my old corsair h80 with my 2500K overclocked to 4.5 24/7. I really would like to be able to do that again with a 3570K, and would pay a bit more for that reliability. I have a budget but I can move a few things around if need be in that budget.


Considering that the 3570K is perhaps 10% faster than the 2500K on a clock for clock basis, the equivalent oc for the 3570K would be (4.5-10%) or 4.1.
Really, a few degrees c. will not make very much difference in how high you can oc.
Here is one chart for comparison: http://www.frostytech.com/articleview.cfm?articleid=266...

There is a trade off between cooling and noise. The higher rpm the fans need to work at, the better the cooling, at the expense of noise.

(I think) these tests were done outside of the case, so the results may not be realistic when the cooler is installed inside the case.

And... so what if the parts run a bit hot? They are built to do so. 100c may not be a problem for either the cpu or the graphics card.
I like my fans to run quiet and slow. Under normal usage there is no heat problem.

One more thing, it seems that every ivy bridge cpu chip has a fixed upper limit of it's OC capability, regardless of how good the cooling solution it has.
Chasing the maximum cooling solution may not be rewarding.

Again... how good do you really need to be, and is it worth it?
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January 9, 2013 5:04:53 PM

It's more about the space saving design to be honest also, I don't want a huge ass clunker on my cpu and bloating the case up, I like good airflow in my case and the h80i or h100i seem to be really efficient at that plus good coolers as well. So do you advise I just go with a cheaper liquid cooling solution then maybe just get the h80i or h60i?
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a c 267 U Graphics card
January 9, 2013 5:17:04 PM

mf2385 said:
It's more about the space saving design to be honest also, I don't want a huge ass clunker on my cpu and bloating the case up, I like good airflow in my case and the h80i or h100i seem to be really efficient at that plus good coolers as well. So do you advise I just go with a cheaper liquid cooling solution then maybe just get the h80i or h60i?

My advice would be to buy a cm evo.
Simple, cheap and effective.
Spend your money elsewhere.

Think about it.
The cooling fins on the evo are similar in size to the H60/80 tyoe coolers, if not actually larger and more plentiful.
The difference is where the heat exchange is located. Either in the liquid radiator, or in the air cooler fins.
But after the heat is exchanged to the air comes the rub.

If the liquid cooler is installed per directions to draw air into the case, the hot air will have more of a problem getting out of the case.
If it is installed to send the hot air out of the case, then case airflow is better.

But then it is no better than an air cooler which uses inside the case air and the cooler with the larger more plentiful fins will prevail.
That is why the huge air coolers like the noctua and phanteks prevail.

If transportability of your pc is important, then I can see the rationale for not having a weighty unit attached to the cpu.
If the pc will normally stay fixed, that should not be an issue.
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January 9, 2013 5:21:29 PM

You're talking about a cm hyper 212 evo?
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a c 267 U Graphics card
January 9, 2013 5:23:57 PM

mf2385 said:
You're talking about a cm hyper 212 evo?

Exactly.
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January 9, 2013 5:30:08 PM

I used to have a cm hyper 212+ regular and I was able to get a pretty good stable oc with my 2500K around 4.5 GHz, will I be able to get like 4.2-4.5 GHz on the 3570K stable 24/7? Will it perform better the evo then a h60i or h80i?
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a c 267 U Graphics card
January 9, 2013 5:33:14 PM

mf2385 said:
I used to have a cm hyper 212+ regular and I was able to get a pretty good stable oc with my 2500K around 4.5 GHz, will I be able to get like 4.2-4.5 GHz on the 3570K stable 24/7?

It depends on you luck with binning, but I would think so.
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January 9, 2013 5:34:44 PM

Will it perform better then an h60i or h80i dude? I like having extra space for better airflow man, I know it's a lot less expensive but I am willing to pay more for convenience and air flow, plus liquid cooling.
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January 9, 2013 5:39:47 PM

And what about a Noctua NH-D14? Since I can spend more money?
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January 9, 2013 5:51:30 PM

Well the cm hyper 212+ evo seems to be a good idea, save money, get a nice headset too with my computer and I should be able to get a stable 4.2-4.4GHz with the cpu.
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January 9, 2013 7:08:51 PM

People are telling me even the corsair h60 is better then the cm 212+ evo by a little bit, if thats the case, with it's space-saving design as well might go with something like that.
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