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[IQ] GTX 770 close to the Radeon HD 7970 GHz - Page 9  

post #81 of 136
Sorry, but I dont have the time to post screenshots. So i will just post the number.

The highest I saw in BF3 maxed at 1080p was 1.200GB

For crysis the highest I saw was 1.785GB

Metro wouldn't start in Dx11 so didn't bother.
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post #82 of 136
Quote:
Originally Posted by $ilent View Post

Arent the none Ghz edition ref cards better than the Ghz one? Least for overclocking?

Ghz ed is a bios that sets a v core and a boost mhz of 1000mhz.. there the same cards.

1000mhz is pretty weak OC

Id say an Avg on Air with a Card with Hynix Vram would be Between 1150mhz and 1200/1700 /1600

Unless you have a crappy card.

I have one 7950 with a 7970 PCB does 1350mhz/1875mhz Vram

On the norn my 7950s are doing 1200mhz/1600 on the vram I do have one 7950 that does 1375mhz on the core but only 1525mhz on the vram.


The best clocker out of my 680s was a Galaxy Hall of Fame Ed white pcb did 1325mhz + 550 mem But degraded after awhile to 1275mhz...

My other 3 did around 1200mhz.
Edited by Hokies83 - 5/29/13 at 5:35pm
    
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post #83 of 136
Dbl post.
    
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post #84 of 136
Quote:
Originally Posted by $ilent View Post

Arent the none Ghz edition ref cards better than the Ghz one? Least for overclocking?

They are basically the same card with different bios', but looking at overclocks the non-ghz editions do seem to have more high clockers. Hard to say if it's because there are more owners of non-ghz that push them harder, or some of the earlier silicon was just better.
    
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post #85 of 136
Thread Starter 
Quote:
Originally Posted by Scorpion49 View Post

They're not even different in the first place, get a ref and flash to ghz edition BIOS, boom ghz edition card. I would not pay extra for that.

Thats what I mean, up until recently I was misguided in my thinking that a Ghz edition card was the 7970 to get as it would allow higher overclocks, but then I was informed the ref 7970 cards generally overclock better. Something about the early 7970 ref cards are Tahiti whereas the Ghz are XT2 and XT2 overclocks worse in general?
post #86 of 136
I'd be ashamed as an NV fanboy that NV needed a 550mm^2 die to beat the awesome 7970. smile.gif GCN architecture is head and tales above Kepler, and Tahiti wipes the floor with even GK110 in compute/OpenCL. NV needs Maxwell to hope to close that gap, unfortunately for them, AMD will have moved on to another new architecture to pound them into the ground again! biggrin.gif
post #87 of 136
Quote:
Originally Posted by Scorpion49 View Post

Then you DID NOT hit a Vram limit. What does it take to make people understand that what rivatuner tells you is cached is completely different than what the card actually needs to operate. You hit Vram limit for real, and you're going to experience a 2 to 4 frame per second slideshow.

Here is a good gameplay graph that shows what happens when you actually hit a Vram limit, 0 FPS.

Ok here is the proof, when I hit the 2GB vram in bioshock I get 2-5 FPS for half a second (you can also look at the graph of the GPU-z's vram usage and see how it slowly increases as I progress in the game), same FPS drop for other games I mentioned when I hit 2GB vram but they are not as bad:


Quote:
Originally Posted by IcedEarth View Post

You hit a 2GB VRAM limit at 1080p?

proof.gif

I would kind of understand if you had mentioned a heavily modded GTA IV or a heavily modded Skyim but there's no way you're hitting VRAM limits in those games at 1080p.

I think most people are confusing GPU performance limits with VRAM limits. You more than likely encountered a GPU core performance limit in Crysis 3...maybe Bioshock but there's no way you hit a 2GB VRAM limit.

See my SS above.
I also hit it with Crysis 3 but I really don't have the game at moment to show you, and to be honest my FPS in Crysis 3 doesn't drop marginally like in BioShock when I hit the VRAM limit.
Edited by megahmad - 5/29/13 at 6:04pm
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post #88 of 136
770 is faster at 1080p and slower at 1600p

As a consumer looking to make a purchase, you need to decide if the information you are researching is relevant

Considering there would be 20 1080p displays to 1 1440/1600p , this article is useless for most
post #89 of 136
Quote:
Originally Posted by $ilent View Post

Thats what I mean, up until recently I was misguided in my thinking that a Ghz edition card was the 7970 to get as it would allow higher overclocks, but then I was informed the ref 7970 cards generally overclock better. Something about the early 7970 ref cards are Tahiti whereas the Ghz are XT2 and XT2 overclocks worse in general?

Nope, chips are the same. XT2 was supposed to be same or higher clocks using less power. As any Ghz edition owner will tell you, the Ghz runs at 1.256v under load. That's higher than the original 7970 voltage at load. I had no trouble getting my 7970 to 1250 mhz stable with no extra power. At 1.3v, I could get 1285 mhz but it was too hot.
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post #90 of 136
Pretty disappointed with the performance numbers but I don't really expect too much in this time window. Personally, I think it should be a bit cheaper, but to each their own. AMD seems to have the lead here, and I'm guessing when the 8xxx series comes, they will probably take the performance crown for single-GPU. It seems that these new Nvidia's are lacking the luster that Nvidia used to have. It seems they fell off sharply when the 7xxx series came out, but they are no slouch regardless. Hope these come out faster than this!
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