i5's do not suffer from decrease performance when OC

On my i5 164 fsb OC dramatically increases performance over stock speeds. I have heard that OCing the i7 results in decrease performance. With turbo boost on I max out at 2.3ghz which is right around stock speed of an i7, perhaps the limit for these Arrendale platforms is around 2.3 ghz before there is a decrease in performance.

 

How's the temperature and battery life compared to before? I haven't tried OCing my I5 yet.

 

never tested the battery life with stock settings, just ran a few benchmarks

 

Not true for i7 case. Thou I hardly oc it in real usage as I dun feel there's a need to. However on benchmarks I do see performance boost when I clock my i7 to 166fsb.

 

I too have noticed a large performance increase from the OC, I can get high settings on Crysis with OC active, I can run Borderlands all high w/ almost everything on. I am basing it entirely on real world, no benchmarks, never have benchmarked anything.

 

Alright, I tried mine. I hope you don't mind me posting it here just to keep all the I5 OC info together. It was only stable at 158mhz (wouldn't even go to POST at 162 and above). Benchmarks (wprime32 and superpi) showed good improvements. The temperature was the same surfing around (mid 40s to low 50s C). Battery at idle was draining in the mid 14k mW's, which is about 4k above my non-OC idle.

 

You need to post scores from benchmarks, or average fps from games, to clearly show that it makes a difference.

The problem with OC is that it doesn't make Turbo Boost kick in so often on the i7, because the temperature/power consumption increases.

It's possible this doesn't affect the i5 so much, since it has a lower power consumption under load than the i7. But it would be good if you could provide some numbers, like in the Anandtech review.

 

I posted bench before in other thread already with CPU oc'ed. Also I have cooler running all the time if I am on power at home. So heat is never an issue on mine. I won't choose to oc on battery since that will take away more battery for the already shorter battery life R2. That's purely for my case only

 

I will try to get some numbers posted, I am still new to overclocking so I don't fully understand where to find the numbers haha. I will do a quick OC here to get my idle numbers, and my general usage. Games later.

Any good way to log cpu usage/clocking?

 

edit: Sorry for double post, loaded from cache without wifi for the idle check, thought I hadn't posted that last one.


I just realized when I went to overclock mine to get idle times, it has been overclocked haha. I did enable turboboost and am getting 8-9k mWh, about .5-1k more than no overclock or turboboost. I will check overclocked versus stock as well. For my normal usage I am getting about the same power usage, 10-11k.

Anyone know a good way to monitor and log cpu clock speeds and temperatures?

 

all my tests with the i7 shows that its getting hurt by OCing it :/

 

hwmonitor and cpu z monitor temperatures and clock speeds (respectively) but won't log them over time
edit: http://www.cpuid.com/softwares/cpu-z.html and http://www.cpuid.com/softwares/hwmonitor.html
edit2: looking around that site, this one keeps track of clock speeds over time including turbo boost http://www.cpuid.com/softwares/tmonitor.html

btw i'm super jealous of your discharge rate. all your numbers are lower than mine idle w/out OC. i haven't seen under 10k

 

same here, my discharge rate while idling is something like 12k and that was after a lot of optimization

 

Just in the time I have been using it with turboboost and overclocking I have been seeing reduced power usage in general use. I am running steam and firefox and getting a floating 10k, seeing dips down to 8.5-9k for extended periods. My battery life with battery bar is also going up, I have already gained 3 minutes at least...

edit: So far I have added about 5-10 minutes to my battery life expectancy since overclocking and switching turboboost back on. I always run with a 50% max cpu clock on battery (unless I am gaming), I don't know a whole lot about how chips work but maybe by increasing the speed I leave more overhead and less need to fully clock the chip? I am no hardware wiz but I won't be clocking down that is for certain!

btw: I am running at 160mhz, most stable speed I have found yet, over 162 won't boot and 162 gave me bsod in game.

 

This is just an assumption. Could be due to your heat level that your turbo boost is not kicking in. Try to get a good cooler if you want to overclock. It helps. At least on mine it does. I have both CPU n gpu clock at pretty high clock and already got it stable at 8k in 3dmark. No crash in games testing on the same settings too. But like I said those are just for fun on trying to push the little beast. Got no real intention at least for this moment of time to keep it oc'ed. It can manage all my stuff reasonably fast at stock.

 

well the thing is it doesn't seem to get hot at all really. I haven't monitored the temp directly but this is my 5th laptop and I know what they feel like when they get hot.... and the R2 is barely warm even after hours of gaming.

 

I'm my test the i7 doesn't get hurt when overclocking. I've tried both 1200 and 1500mhz, both with and without turbo boost and have found that turbo boost doesn't do much in gaming. It seems turbo boost only works for a little bit if at all and not at all once the PC is warmed up.

 

does the i5 run cool/ batter last longer then the i7? or is it the same?

 

battery seems to last longer. not sure about temps. mine stays in the mid 40s to low 50s when browsing the internet. Someone with an I7 want to check what theirs is doing the same?

 

i7 here.
With the fans blocked (i.e. on a bed) I usually get 50CPU/60GPU. If I put it on my lap in such a way that the fans aren't blocked (not that hard to do/not as uncomfortable as it may sound), then yes, CPU/GPU stay around mid 40s-low 50s.

Also I know benchmarks aren't the best way to compare real life usage, but I posted up some CPUMark scores in an old thread showing that overclocking didn't give a huge performance boost over stock clocks. If anyone is interested I can pull up those numbers.

 

My i7 does gain too from OC if I turn turbo off, that could be why its hurt with both, since it can't for some reason.

Ill try starcraft 2 with 166 turbo off.

 

honestly be it from the outside or even by using some tool to track the internal temperature. cant really say to us its hot or not. we dont know whats the threshold that intel set in order for turbo to kick in. if u take note of this, when system running warm turbo actually hardly kick in at all. so its hard for us to just make any judgement like this. however one thing i am very sure is getting a good cooler definitely help with the overall temperature. i can run the system entire day and still always see the turbo boost kicking in. but that is just when i am on windows since i see that via cpu-z. while in game i never try probably loggin can see? i not sure since i never tried loggin before

 

one advise for you. u may want to try at different clock to find the best value for you. does not mean clocking to full 166 = highest performance since when the system get warm turbo boost almost never kick in at all

 

My i5 generally likes to shut down when I over clock it, even at 160. I'm now just keeping it at factory clock settings as the program thats shutting it down is COUNTER-STRIKE 1.6.......................

 

Even at 160? You do realize that 160 is 3 clicks from the maximum overclock, right? Try taking it back into the 140s to be more realistic and see what happens.

 

You get almost the same perf with OC off and turbo on though, since turbo almost never comes on when you OC because the r2s run so hot.

no point in even trying with it.