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The 55nm GTX 260 216 Overclock Thread - Page 66

post #651 of 984
I'll join the club shortly, I had to RMA a DOA GTX 260, so the pair is incomplete... And I have yet to get myself any really graphic intensive games to test it on(will do soon), so what can of free testing can I do on this? ATITool is nice but it doesn't provide real world testing. u_u

Never overclocked a video card, we'll see how this goes.
    
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post #652 of 984
Quote:
Originally Posted by GeforceGTS View Post
That's a nice overclock you have if it's stable, I don't think you will get the shaders any higher than 1584, if you do then you have an awesome card

ATItool is good for quick testing but I wouldn't rely on it for 100% stability. I can run ATItool at 1620 shaders but i'll crash in games, vantage.

Give Furmark a try aswell as any intensive games like crysis, far cry 2 etc
Cheers gonna push the memory when I get back, see if I can get anymore out of it BUT I doubt it.

Core crashes on 770+, if I left the memory at stock or underclocked it, reckon I could push that? And would it be worth it? Core clock > Mem clock?

Will run Furmark also
Edited by iDeal - 3/25/09 at 11:30am
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post #653 of 984
Right I have benched the following and recieved some odd results in Vantage:

I'll sort them in order of highest score.
745/1606/1100: 13,741.
760/1600/1100: 13,739.
760/1588/1110: 13,665.
745/1600/1110: 13,656.

Now can someone please explain this too me? The highest result comes from the lowest core and highest shaders, and it seems the more I increase the mem clocker the less the score...?

Anhy input appreciated.
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post #654 of 984
That score is the highest because the shaders were running at 1620 and they were running at 1584 in all the other runs, i'm not sure without checking the exact straps on the core but I think 745-760 may actualy give you the same clock speed.

There isn't realy much difference in the vantage runs, I could do two runs one after the other without changing anything and the scores would vary by 100 or so.
post #655 of 984
Quote:
Originally Posted by GeforceGTS View Post
That score is the highest because the shaders were running at 1620 and they were running at 1584 in all the other runs, i'm not sure without checking the exact straps on the core but I think 745-760 may actualy give you the same clock speed.

There isn't realy much difference in the vantage runs, I could do two runs one after the other without changing anything and the scores would vary by 100 or so.
Cheers Geforce, you've been a great help so far. This is addictive!!

Just did one last run @ 755/1606/1100 and got 13,924. Best yet, if anything could be pushed further what would you think? As you say Vantage isn't the best Bench.

But would bumping mem clock up do anything, so far it just seems to result is lower scores. Must be a reason.

755/1606/1100 @ ~56-58c. Most stable yet. Not sure where to go from here as Mem Clocks dont seem to help anything.

**EDIT**Running Crysis @ 1920*1080 w/Ultra Mod @ constant 30fps whereas during testing before I was @ ~25fps. Pleased so far. Hope I can push it a little further with some advice from you guys

P.s. Only runnign crysis as it seems to push my GPU more than any other title and is easy to judge when progress is being made in clocks. > FPS = Better clocks
Edited by iDeal - 3/25/09 at 4:10pm
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post #656 of 984
No problem.

You'll be hard pressed to scrape anymore performance, that's a realy nice OC already. I don't think you will see any benefit in games pushing it any further too, might get you a few extra points in vantage but that's about it

If that truly is stable then you are the first person i've seen hit the 1620 shader strap stable, congratz If you realy want to push it further try bumping the core up to the 771 strap. I'll be amazed if you can get it stable at 771/1620 though.
post #657 of 984
Quote:
Originally Posted by GeforceGTS View Post
No problem.

You'll be hard pressed to scrape anymore performance, that's a realy nice OC already. I don't think you will see any benefit in games pushing it any further too, might get you a few extra points in vantage but that's about it

If that truly is stable then you are the first person i've seen hit the 1620 shader strap stable, congratz If you realy want to push it further try bumping the core up to the 771 strap. I'll be amazed if you can get it stable at 771/1620 though.
Whoop whoop! Played Crysis for about an hour to check if it was stable. So far soo good. Gonna have a proper test with Furmark (sp?) when I download it at the weekend and test it for a decent amount of time.

If you say there isn't likely to be any benefit from going higher in game then I doubt I'll push it. Although, you mentioned bumping the core to 771. Now I doubt I can reach that with 1606(1620) but which would reap more fps in game: 760/1606 or 771/1600? As to me personally that's what matters

I'll be testing to see if my current OC is 100% stable this weekend. And attempting 771/1600 if you think it will improve fps? Either way though, I'll keep the mem @ stock as it seems to negatively impact performance when raised.
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post #658 of 984
I think 760 would actualy be 771

Check the graphs in precision for the exact clocks if that's what you are using.
post #659 of 984
Quote:
Originally Posted by GeforceGTS View Post
I think 760 would actualy be 771

Check the graphs in precision for the exact clocks if that's what you are using.

Cheers Geforce, I'm currently @ 760/1606/1100

BUT if it becomes unstable @ these clock speeds (I am going to assume it will...somewhat a pessimist), would I see more FPS buy lowering the Core or Shaders? Also, does upping the Memory clock in any way increase FPS, as so far it seems the opposite. These are my main concerns right now

Any input is again appreciated
Edited by iDeal - 3/26/09 at 1:20am
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post #660 of 984
I'm not sure exactly as to what would net you the most FPS, i'm guessing you would see a minimal decrease by lowering the shaders to the strap below (1584) I think it would also help stability because 1620 shaders is realy pushing it.

To be honest I run my card at stock when gaming, I only seen a small increase in FPS when overclocked compared to stock. I figured the extra heat and chance of instability wasn't worth the 3-5 FPS I was gaining ;l So I just have profiles set with riva tuner which up my clocks when folding or benching.

If I was you i'd be working on getting that Q9550 higher The UD3P is an awesome board and you'll see more performance gain by pushing that quad higher.
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