How much can you OC the GTX 675m?

How far can people OC the GTX 675m?

In the P150EM Clevo specifically?

 

760/1900 on mine, but mine is already at 85C at stock clock full load so I'm not going to be using that clock under normal usage.

 

What is the stock clock though? 620/1500 right?

So 85C at stock??? Jesus. While gaming it gets that high?

This card sounds awful -_-. I just want to OC to 700/1700 possibly for a good 15% boost.

 

Yep the stock temperature is already awfully high, I wouldn't be doing any OC like I did on my GTX 460M. Gaming is around 80C, 85C is Furmark temp. And yes stock clock is 620/1500.

 

Wow this card sounds lame; is the 670m any better heat wise? Gah I wanted the 7970m but I'll have to wait 3-4 weeks if I want it now I think... :/

 

GTX 670M should be around 70C for gaming and a bit high but not reaching 80 during Furmark.

 

So in essence we could OC the GTX 670m to GTX 675m levels and keep it around the same temps? I've seen people scoring as high in benchmarks on the GTX 670m with a 20% OC so I might just get that as it only needs to last me 1-1.5 years.

 

That works too, you'll need to push the GTX 670M's clock from 598 to 708 to gain the same performance as a stock GTX 675M, so about 110MHz more. GTX 670M only has 336 cuda cores clocked at 598MHz and GTX 675M has 384 clocked at 620MHz.

 

That makes no sense. My GTX485M is constantly clocked at 675/1550 and rarely hits 80C under full load and the 675M is supposed to be cooler and more power efficient.

 

It could be a case of bad thermal paste job; did you happen to paste it yourself?

 

Sounds like a bad paste job since my friend's laptops stays @ 78*C on FurMark.

 

It was pasted by MALIBAL using ICD7. You can search around the forum, you might find similar temp on theirs .

 

85C on Furmark is still really good. Furmark is made to stress the GPU more then anything else, even more then the most demanding games. If you're seeing those temps you're doing great. These cards are made to be stable up to 105C. If you hit 95C then start to consider a repaste.

 

Do you have any idea how well the 670m and 660m in particular can Overclock?

I don't want to wait another month for the 7970m and am considering 660/670/675 but am starting to count out the 675 as its much more expensive and only about 20% more powerful than the 670. I could OC the 670 to 675 levels and possibly OC the 660 to close to 675 levels.

I'm curious as to what the OC capabilities are on these cards and cant find the info online.

The 660m surely runs much cooler than the 670 and 675 so I'm hoping it can OC 30% with the cooling system of the P150EM, and I have a Coolermaster U3 notebook cooler with 2 fans installed that helps a few degrees C.

 

We havent OC'd the 660M yet but we do have them in some non-Sager computers in stock. I'll see if I can get one of my techs to do it. It wont be true to what they will be like in Sager models though as they have different cooling systems but it will get us an idea at least.

 

Thanks a ton! Yeah I figure if there aren't any software issues holding it back the 660m could possibly OC nearly 40% if you had a good enough cooling system. But who knows. If it could OC 25-30% I would probably get it but the 670m seems like the best price/performance besides the 7970m. I've seen people OC the 670m to 675m performance in the P150EM so I would shoot for that.

 

I tried 700/1625 and Furmark for 15min, it reached 91c around 3min into the run, turbo fan kicked in and the temp went down to 89c and stayed there for 12min. I guess OCing is OK on the GTX 675M since they set the turbo fan mode at 91C.

 

Your temps are way to high; i've never heard of someone having them that high I think Malibal did it badly....

 

Make sure you go to their forums to tell them about it. They don't browse this forum.

 

i thought this card could reach 800mhz/1800 with no problems, like most 580m out there, or im missing something?
Looking by the overclocks posted above, it seems like they oc like my 485m. So if im stuck with the only possibility of upgrading to 675m, that wouldnt make any difference in performance, right?
Now 800/1800 could really get interesting since its close to desktop 560ti...compared to my highest OC is 100mhz more, which is roughly 5fps difference.

 

You might be right. Picture of MALIBAL's paste. What do you guys think?

Also another thing is EM's turbo fan speed doesn't kick in until 91C.

 

I think that something went really wrong there.
If they used ICD, there should be a footprint of the size of the die, since the correct way would be a pea sized blob in the middle of the core, or a straight line.
Theres too much paste in that pic, too much that it has spread on the metal frame.
That is your problem, bad pasting.

 

I repasted twice just covering the die area after I took that picture of MALIBAL's paste, the temp still goes as high as 85C on both repaste at stock during Furmark 1280 x 720 Extreme burning mode. I guess it's the heatsink? The VRAM heatsink comes before the Die heatsink for the P150EM at where the Fan blows.

 

A friendly tip, dont be obsessed with Furmark.
Those temps arent reachable while gaming, also 85c with furmark is ok-ish idsay.
If you want to get a real idea if the cooling system is working right, or the card for the matter, play a game which is intense without Vsync with your high oc for at least 15mins.
I advice Crysis, Crysis 2 and Battlefield 3/Witcher 2 at high settings.
The card should struggle to get 60fps, that means it will stay at 99% with usage all the time. The temps you reach in gaming sessions are the most accurate.
Also Fermi has a power limiter feature in the architecture, which means that even if furmark stresses the card, it really doesnt at 100%, due to the power limit.
So basically its just a waste of time.

 

Well my GPU temp is around 80C when gaming, but seriously, I still cannot believe those who said their GTX 675M runs under 80C during Furmark. Since the Turbo fan speed doesn't kick in until 91C and Fn + 1 (Force fan full speed) is removed on the P170EM/P150EM.

 

That was BS from the start. The 675m is a gtx 580m. And the 580m cant stay under 80c in furmark. It never had, and i bet newer gpu cant stay under that temp in furmark.
Its absurd.

 

Finally one said the truth

 

I just heard rumors no facts hehe

Yours is still a little bit hot though; that paste job was very bad; wayyyy too much paste it should have been like half as much maybe 1/3 as much.

If you stay at 80 while gaming while OC'd that is fine.

So you can get a 15-20% OC and stay around/under 80C?

 

80C is at stock clock. 700/1625 will go up to 86C while gaming on mine.

 

So only 10-15% OC. Meh thats not very good at all hah.

 

why would they remove the Fn+1 functionality on the EM series? thats just suuuuuch BS! seriously.... *rolls eyes at Clevo*

 

I think I already posted the perfect Penny-Arcade webcomic that shared the same sentiment but it was with the GBA SP. Google the March 24, 2003 comic, for some reason PA doesn't have it on their site anymore.

 

remember the comic, i know exactly what u mean

 

Can we force the Fans to max out with software some how?? Yeah the shortcut key seems to be awesome I'm mad they didn't keep that.

 

It should be possible by changing the EC in RW everything, I was doing that on my G73JW, I haven't tried it on Clevo yet.

 

How do you go about changing the EC? and what does RW mean?

I would make the fans hit full speed at 70 just because it helps. I don't know why the heck they removed that shift F1 feature -_-

 

RW everything is a small program that lets you control PCI EC etc. So far I've only located the GPU fan address, changing them doesn't seem to work and still need to find out if there's an address that forces full fan speed, I noticed the EC is still a P150HM's.

 

I think I'm going to go with the GTX 670m and OC the heck out of it. Idk.... Wanted 7970m but don't know if I want to wait that long.

 

That doesn't sound too bad B).

 

I just wonder if anyone has the 670m and has easily OC'd it to 675m performance on air.

I really hope that I can upgrade to the GTX 770m or 780m next year; or perhaps the 8970m.

P150EM should be able to unless they pull the same move as the HM and don't support it. With BIOS hack it should be possible though.

 

800/1800 -> is this only reachable by flashing the vbios? Or can I do that by using tools like MSI Afterburner as long as temps are not going critical?

 

You are probably going to need a vbios with a voltage bump.

 

Hm, okay! That may be sound silly now, but can you please point me to the right direction how to do that? Is there something like a "manual" how to safely flash a vbios? I would need that for my Clevo X7200 and GTX 675M SLI.

Unfortunately I am absolute unfamiliar with the 'flashing' topic, so every bit of help would be much appreciated!