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E8400 @ 4.0GHz or Q6600 @ 3.0GHz - Page 2

post #11 of 20
Well, the Q6600 is a low-end quad core and the E8400 is a high-end dual core. IMHO you still get more bang for your buck with the dual core since you can clock it way higher. You can always use Anandtech's CPU bench comparison to see for yourself how they stack up.
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post #12 of 20
Quote:
Originally Posted by Reeface View Post

Well I got the Q6600 to 3.2 for ~45min Prime stable (will do a full 3+ hr run later).
Had to drop the multiplier and up the FSB, such an easy fix can't believe I didn't think of it before.

Unigine Heaven bench results I've gotten so far with the 5750 @ 860/1350:
CPU = min / avg / max overall score

E8400 @ 4.0GHz = 11 / 21.2 / 44.6 535
Q6600 @ 2.4GHz = 10.9 / 21.1 / 44.8 531
Q6600 @ 3.2GHz = 11 / 21.1 / 44.3 532

So I take it from my results the differences I'll see in real-world situations are going to be minimal, at least for gaming purposes?

Most games will utilize the CPU much more than Heaven will. I think these numbers just shows how little Heaven uses the CPU, as a 0.8 GHz increase on the Q6600 is a pretty good jump.

If you really are going to stick with older games though, I don't think you'll notice a difference between the two. thinking.gif

One thing that I've been working on lately is a comparison test between an E8500 and a Q9550 at different clock speeds. Unfortunately its on hold currently because I don't have time to be doing major hardware changes right now, so I only have the results of a few games on the E8500. I've had the Q9550 for several weeks now and its killing me that I haven't been able to try it out yet! mad.gif

Oh, and hi Petrol. smile.gif
post #13 of 20
core 2 quad for life
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post #14 of 20
There's no good answer to this.

First, can you really run the E8400 to 4.0 on that G31? Frankly, I'm shocked at that in itself, and good job if you really pulled that off.

1: The extra cores are not going to make up for 1000MHz. 3.0GHz on a Q6600 is just not cutting it IMO.
2: The E8400 is going to get crushed by certain games, but run others just fine. Those games would run better on a quad, but not on a 3.0 Q6600.
3: You could run the Q6600 higher than 3.0, but it will kill that motheboard if you run too much VCore. I know from experience and I hope your'e cooling the power phases and NB.
4: Unigine Heaven is a GPU test primarily. Use 3dmark06 if you want to see differences in CPU/RAM. 3DM06 will translate to older games like Source games etc. UH isn't going to tell you much real-world.
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post #15 of 20
Thread Starter 
Only got them to 3.6 (E8400) and 3.0 (Q6600) on the G31, and yeah the NB got hot as hell.
I received an Asus P5K-E with the Q6600 and was trying to decide which CPU to pair with that, then sell off the other CPU and the G31.

I actually realized my old Dell had an E2140 in it, and can use the E8400.
So pushing the 2140 on the G31 then plan to sell that combo locally.
Use the Dell as my backup/media machine and the Q6600/P35 as my main rig.

Side-note:
Does HWMonitor not like E2140 chips?
I'm getting mixed readings between 3 different monitors:
HWMonitor 52°c, RealTemp 42°c, CoreTemp 36°c
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post #16 of 20
play some games, not unigine

I had a e5400 at 3.75GHz (It's probably equivalent to the e8400 at 3GHz in most cases) and I'm now using a kentsfield at 3GHz just like the q6600 at 3GHz, in most cases I didn't notice any difference, but in some games like Witcher 2 and GTA 4 it was huge, on GTA it went from less than 20 to almost 30 in some places,
but since the e8400 at 4GHz is a lot faster and you have both CPUs... you should test, but overall I think the e8400 can be faster in many games (like Skyrim, SC2), but the Q6600 will win in others (like GTA 4, battlefield 3) also by a good margin....

something else that made sell the e5400 was that since everyone is moving to 4 cores there is less support for dual cores, many games are starting to show some strange behavior, Deus EX HR before the first patch had some heavy stuttering with some dual cores, Rage was also problematic, Skyrim also had some strange freezes before the patch with dual cores....
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post #17 of 20
I had my E8400 at 4.5ghz and it was a very good chip. It's in my daughter's rig now and I still love it. Not swapping back from my 2500 though. wink.gif
post #18 of 20
The Core 2 Quad Q6600 is the middle ground "jack of both trades, master of none" CPU between the fast LGA 775 dual cores and the modern/fast Core i 5/7series quad cores in my opinion. It won't run older stuff quite as well (not that it'll do anywhere near terribly or anything), and for games that really like quad cores, it may struggle some there too (unless aggressively clocked, but even then still).

Since you're using a Radeon 5750, that would likely present itself a bottleneck before the CPU does due to raw IPC/core power, so unless your suite of games/programs is heavily IPC-biased and/or you play few that need a quad core (in which case, go with the dual core), then I'd suggest you just go with the Core 2 Quad Q6600, even though I'm generally much more a fan of the Core 2 Duo E8x00s over it myself.
post #19 of 20
I think my Q6600 G0 (bought in 2008) will stay with me a long time. I have become a fan on the EP45-UD3P and it is no trouble to get 3.4 out of this cpu. I bet it was quite exciting when it was first possible to combine the UD3P and the Q6600. I bet people were really excited over the results offered. Due to money restraints I cannot keep up with the every chaniging (and improving) hardware world but it is still a lot of fun working with what I have. Sure I would like to snag a 9550 but for the money I can get a i7-930. Perhaps one day one comes by at a reasonable price. Overclocking dual cores is very rewarding as they will go high and some of the lower end dual cores are dirt cheap,good cpu's to learn your board on.
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post #20 of 20
You should put the Q6600 on your P5K and run it to 3.6. The 4.0 E8400 will out-run it on many games, but I'd rather have a quad overall.

Dump that G31, they are only good as workstations or HTPC.
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