i7 920 vs i7 860 direct test comparison

[emuexport]

@Emu: Did you notice that in the last pic on your post #223, CPUZ shows 860 Vcore = 1.096V @ 4095 MHz. But the max core temps are up around 70deg, which is what you'd expect with 1.4V. Must be a CPUZ error (?)
Any thoughts on why your 860 seems a bit slower than the 920, while 123bob found the opposite?

Re. power consumption: The extra Vcore needed on your 860 seems to be making it run about the same max temps as the 920. If they have the same cooling, that would mean the same amount of heat energy coming out, ie same CPU power in. Other relevant info: A few days ago I read a review where they got an estimate of the mb power consumption and figured the X58 chip was causing their 920 board to use about 20W more than their P55 one.
If you get a 2nd power meter, it would be a good idea to check them against each other.

That screenshot is taken at idle. Usually I set up my PCs in the evening and let them crunch and I think they finish ther 24 WUs before lunch depending on the clocks.

Not sure why my 860 is lsower than the 920 though I think it depends on a lot of things and this is the point of the study right

It will take a while to figure out what is what. I will try and stay on the 4GHz point and get power measurements.

Good work Emu. I have not had a chance yet to fully go over your results yet. Will do this afternoon. I think one thing we would like from your tests are the 4 gig point, matched parameter for parameter. You may have already done that, I'll have to look close at the results. Power consumption for this 4 gig point as well.

I don't think you HAVE to get another power meter, I just switch mine from rig to rig when I'm testing power. But, if this works to get more HW, that's cool too. Those meters are almost cheap enough to put one on each rig. It would be nice to see one that had multiple taps or rack mounts, for my case.

As far as the variance in our 860 vs the 920 results, I'm beginning to think it has to do with the particular WUs we are running? I noticed when I switched test WUs, my numbers changed a bit.

I'm going to be on the road this weekend up until next Friday. I'll have forum access, but that's about all.

I'll leave my rigs crunching away at the 3.7 point. I'll be able to report some daily PPD from this.

Regards,
Bob

I will try and match all the 4GHz results but sometimes these PCs just dont want to play

It seems my DFI forces the 2 x DRAM frequency ie 2x10xBLCK = 2 x 20 x BLCK (Minimum) so I cant make them match that way It complicates it even more as the P55 board has the uncore and qpi limited in terms of settings.

I'm not sure about WUs being a factor or not but maybe once I have a definete set of points I can get another set of WUs for comparison. Hell maybe even try a different project