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5970 or 6970?

post #1 of 42
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Hey All,

I currently have a 4890 and I'm looking to upgrade. My goal is be able to play skyrim, the old republic, and battlefield 3 on highest settings at 1920x1080 with no slow down. newegg has a 5970 for $300 for black friday, but Ive heard it has problems with scaling on some games since it's crossfire. I've also heard it really only has 1 GB of RAM, which would be a limitation down the road. Would the 6970 be a better choice?

my rig:
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post #2 of 42
The 5970 is still the better choice. Reason being is it's technically two slightly downclocked 5870's on one card. The 5870 is ever so slightly slower than a 6950. And obviously the 6950 is slightly slower than the 6970.

As for the RAM, 2GB should be plenty for almost every game out there, with the possible exception being BF3, but I'm sure they're optimizing it since the majority of people can't afford to buy a 3GB 580.

So yes, the 5970 would still be a very potent card to have in your system.
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post #3 of 42
Quote:
Originally Posted by BlackOmega View Post

The 5970 is still the better choice. Reason being is it's technically two slightly downclocked 5850's on one card.

Fixed that for you. smile.gif
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post #4 of 42
The 6970 is the better choice IMO. Better performance with tessellation, don't have to worry about scaling, and it has 2gb of memory which is crucial for high resolutions, games with high res textures, and AA.
Edited by computerparts - 11/25/11 at 2:49pm
post #5 of 42
Quote:
Originally Posted by Lucky 13 SpeedShop View Post

Fixed that for you. smile.gif

I think you just made the error. 5970 is faster than 2 5850s. 5970 is two downclocked 5870s. The gap between 5870 and 5850 was pretty big.
Edited by UbNub - 11/25/11 at 2:56pm
    
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post #6 of 42
This will make your choice much easier: The 5970 doesn't fit in an Antec 900. smile.gif

EDIT: Well, not easily, anyway. You'd have to move away your HDDs.
Since you have 5, that may be a problem.
Edited by sLowEnd - 11/25/11 at 3:01pm
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post #7 of 42
It's kinda a hard decision, but the 5970 will perform better wherever crossfire works properly, while a 6970 will work better when crossfire isn't going to work properly. Except of course where you need more RAM, though I'm not completely sure when this would be besides in BF3. You do also have a better upgrade path with the 6970.

I would probably go with the 5970 myself, but that's just because I prefer 60 fps with two cards and hassle to less fps with one card and no hassle, and I usually don't get games on launch. This one's up to your preferences.

Edit: If that guy's right about it not fitting in your case, then I think your decision may have been made for you. tongue.gif
    
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post #8 of 42
Quote:
Originally Posted by Lucky 13 SpeedShop View Post

Fixed that for you. smile.gif

Wrong, two 5870's cores slightly downclocked to 5850 clocks. I hate when people say stupid stuff they have no idea what they're talking about. wink.gif
Many many users have surpassed this issues with simple overclocks...

And OT, that 5970 @ $300 is a great value. Go for it, you won't regret it.

Check this:
http://www.techspot.com/review/373-amd-radeon-6990/page10.html

Also let me mention this I had a 6970, for BF3 I was getting 40-80 FPS at Ultra @ 1920x1080
Now with a single 5970 I have gotten 80-150 FPS at the same settings.
Edited by Kosai - 11/25/11 at 3:41pm
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post #9 of 42
Quote:
Originally Posted by UbNub View Post

I think you just made the error. 5970 is faster than 2 5850s. 5970 is two downclocked 5870s. The gap between 5870 and 5850 was pretty big.

It's narrowly faster (and I mean extremely marginally) because they didn't lock the extra shaders. It still carries the same RV-870 cores as do all of the 5800/5900 series cards. Lower models just have the shader's locked via cut traces on the die. But yes, it was downclocked to 5850 speeds. There wasn't a big difference between crossfire 5850's and the 5970 though, unless you had one of the few that oc'd well. All in all, the 5970 was less than 1% faster overall contrasted to 5850's in x-fire, and slower than 5870's x-fired.

350
Quote:
Like many benchmarks have shown, the HD 5970 is therefore in terms of performance just before an HD 5850 CrossFire team, however, has compared the power of two HD 5870 graphics cards in multi-GPU operation no chance (see Performance rating).

Sauce

Quote:
Originally Posted by Kosai View Post

Wrong, two 5870's cores slightly downclocked to 5850 clocks. I hate when people say stupid stuff they have no idea what they're talking about. wink.gif
Many many users have surpassed this issues with simple overclocks...
And OT, that 5970 @ $300 is a great value. Go for it, you won't regret it.
.

Then go bury your head in the sand. Because you haven't a clue. Nice job acting like an ass though. Btw, I wasn't saying anything about the 5970 being a bad deal.
Edited by Lucky 13 SpeedShop - 11/25/11 at 3:51pm
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post #10 of 42
Yes that's all true but you had to show your ass and say:
Quote:
Originally Posted by BlackOmega View Post

The 5970 is still the better choice. Reason being is it's technically two slightly downclocked 5850's on one card.
Quote:
Originally Posted by Lucky 13 SpeedShop View Post

Fixed that for you. smile.gif


Which is wrong.

Quote:
Originally Posted by Lucky 13 SpeedShop View Post

Then go bury your head in the sand.

Nope, again a 5970 is two 5870's downclocked to 5850 clocks, you clearly said it was two underclocked 5850 which is completely wrong.
Edited by Kosai - 11/25/11 at 3:55pm
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