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brettjv's 470 SLI vs 670 Bench-Off (both OC'd) ... (Now with 7970 OC'd!) - Page 19

Poll Results: What are you thinking: Used Fermi for SLI, or go with Kepler?

 
  • 18% (20)
    Thinking of getting adding another cheap, used Fermi for SLI!!!
  • 64% (70)
    Thinking of selling my Fermi and going with Single High-End Kepler (670/680)!!!
  • 17% (19)
    Thinking of waiting to see what lower-end/cheaper Keplers bring to the table!!!
109 Total Votes  
post #181 of 209
Thread Starter 
I'm not doing anything magic, cyan. Aside from using the evga voltage tool to push my card to 1.175 ... all I did was toy with it a whole lot to see what works. One thing I can say w/certainty is that pushing either mem or core really high will compromise how high you get the other to go. I settled on a middle ground of 1337/3499 at 1.162. I can pull off about another 30MHz on core though at 1.175V.

Have you actually really tried gaming at the same settings, and actually noticed lower perf? I mean, other than studying FPS ... does it feel worse? Cause for me it doesn't. I been playing Crysis 2 all day, and the perf is SOOO much better ... don't get huge lag spikes all the time ... makes sense given I'm seeing 1700MB vram usage now that I have a card that can measure it thumb.gif

I wish v-sync actually friggin worked though. I get obvious screen-tearing with it on still. Hope they fix that crap.
    
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post #182 of 209
yeah, my main game is BFBC2 and i had to turn my settings down to get good frame rates so its not worth it to me. with my 470s i was able to max everything and be fine with a minimum of 45 FPS but now with the 670 i can drop as low as 20 FPS. i have no idea whats going on but my 470s seemed to play the game much better frown.gif the loss in FPS would match up with my roughly 20% lower 3dmark11 score.

tomorrow when i get to the office i am going to swap back in the 470s. i am not saying the 670 is a bad card, just saying it is not as fast as SLI 470s under water since it doesnt seem to like to clock as high. the only thing i am going to miss is the power and heat of the 670.
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post #183 of 209
Thread Starter 
That's odd that your 670 won't hang in BFBC2. I did a little SP run in the Heart of Darkness level, ending up at the Waterfall of Graphical Death that comes shortly after you find your first 'weapon crate' of the game.

I'm guessing MP is your thing, but I would find it odd if the perf was really that much different vs. SP, esp. relative to the 470's.

I was running it totally maxed at 1920x1200 with 16xQAA enabled ... here's the results. AFAIK the waterfall I refer to is the toughest part of the game, and I didn't drop below 45fps even there, and the whole rest of the game was running at 80-140fps ...

This being said, SLI470's under water is pretty sweet ... I suspect if I had that setup all done and dialed I'd have a harder time justifying the switch as well thumb.gif

561

375

375
Edited by brettjv - 5/20/12 at 10:40pm
    
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post #184 of 209
yeah MP is my thing and last night i was flying around and someone shot me down and while my heli started to smoke and spin i tried to bail out and i went to about 20 FPS and died because i couldnt see what was going on. never had that kind of issue with my old cards. i am not trying to talk down the 670, its one hell of a card so dont get me wrong, i just dont think the 600 series is enough of a performance jump to give up WCed 400 series yet. big kepler will be my switch.
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post #185 of 209
Thread Starter 
Still love to get some 7950 OC'd results!

Anybody else want to respond to my little poll, comment on the results, or add some numbers?

Yeah, shameless bump smile.gif
    
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post #186 of 209
Quote:
Originally Posted by cyanmcleod View Post

yeah MP is my thing and last night i was flying around and someone shot me down and while my heli started to smoke and spin i tried to bail out and i went to about 20 FPS and died because i couldnt see what was going on. never had that kind of issue with my old cards. i am not trying to talk down the 670, its one hell of a card so dont get me wrong, i just dont think the 600 series is enough of a performance jump to give up WCed 400 series yet. big kepler will be my switch.

When i use my single 480, i get better lows.
In SLi, i cannot get lower than 40 fps..
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post #187 of 209
Thread Starter 
Bumping this for some of the new folks around lately.

Also, yay, people are starting to use the term 'Kepler Boost' even on other sites. Pretty cool, as I coined the phrase on this thread (post 69) w/the purpose of seeing it become the commonly used term to describe the phenomenon thumb.gif

http://www.overclockers.com/forums/showthread.php?p=7216010
http://forums.guru3d.com/showthread.php?t=363908
http://www.neogaf.com/forum/showthread.php?t=459499&page=86
    
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post #188 of 209
Quote:
Originally Posted by brettjv View Post

I'm not doing anything magic, cyan. Aside from using the evga voltage tool to push my card to 1.175 ... all I did was toy with it a whole lot to see what works. One thing I can say w/certainty is that pushing either mem or core really high will compromise how high you get the other to go. I settled on a middle ground of 1337/3499 at 1.162. I can pull off about another 30MHz on core though at 1.175V.
Have you actually really tried gaming at the same settings, and actually noticed lower perf? I mean, other than studying FPS ... does it feel worse? Cause for me it doesn't. I been playing Crysis 2 all day, and the perf is SOOO much better ... don't get huge lag spikes all the time ... makes sense given I'm seeing 1700MB vram usage now that I have a card that can measure it thumb.gif
I wish v-sync actually friggin worked though. I get obvious screen-tearing with it on still. Hope they fix that crap.

Download rivatuner and use the direct x tweaker utility, vsync will then work plus you get tripple buffering.
post #189 of 209
Quote:
Originally Posted by cyanmcleod View Post

yeah, my main game is BFBC2 and i had to turn my settings down to get good frame rates so its not worth it to me. with my 470s i was able to max everything and be fine with a minimum of 45 FPS but now with the 670 i can drop as low as 20 FPS. i have no idea whats going on but my 470s seemed to play the game much better frown.gif the loss in FPS would match up with my roughly 20% lower 3dmark11 score.
tomorrow when i get to the office i am going to swap back in the 470s. i am not saying the 670 is a bad card, just saying it is not as fast as SLI 470s under water since it doesnt seem to like to clock as high. the only thing i am going to miss is the power and heat of the 670.

Something is very wrong then because my GTX 680 even at stock speeds eats BFBC2 alive at 1920X1080 with every single option pushed to the max. Heck I dont even seen 20fps in BF3 maxed out and that game is more demanding.
post #190 of 209
may i ask how the watts were calculated at idle and fully loaded? was it watts drawn from the wall, or is this estimated? i didnt see anything in the OP about how this was measured.

edit: i searched through the thread for a while and someone said it was measured "from the wall" so that answers that.

i bought a 560w seasonic power supply and then decided a few minutes later that i wouldnt mind having the extra power available for SLI 670s, so i cancelled it. it still shipped, unfortunately, and amazon charges me for return shipping. i guess long story short, after seeing these numbers, i am wondering if the 560w supply wouldnt be enough for 670s in SLI.
Edited by Skoobs - 7/16/12 at 7:34pm
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