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Intel e6400 vs E3400 --Which CPU is better--?

post #1 of 13
Thread Starter 
Building my friend a new budget rig but can't decide which cpu to get him. They are about the same price so thats not a factor. I figure I could get about 3.8ghz out of the e3400 where the e6400 could maybe do 3.2ghz at most? So at these values, 3.8ghz for the e3400 and 3.2ghz for the e6400, which cpu would perform better in games? Particularly games like WoW and Sc2.
post #2 of 13
The e6400. You will probably struggle to get those numbers out of the processors. What are you hoping to spend on the processor? There is a quad core for about 60 bucks in the marketplace right now.

I ran my e8500 at 4.2ghz and WoW ran better than my friend with an unclocked i5. WoW LOVES dual cores at a high clock. However it is a bit late to be running anything other than a quad.

SC2 on the other hand doesn't.
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post #3 of 13
E3400 is a much better CPU - its built on a 45nm architecture and can generally hit in the 4GHz range - it is a Wolfdale core and should provide plenty of oomph. I've used them in several builds and they are quite strong.
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post #4 of 13
My HTPC's E6400 can run SCII decently @ 2.7 GHz.

SCII does like cache more than raw GHz. A friend swapped his E7400 (2.8 GHz w/3 MB L2 cache) for an E8300 (2.83 GHz w/6 MB L2 cache) and he saw roughly a 8-9 min FPS boost with a GTX 460.
   
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post #5 of 13
Quote:
Originally Posted by appleg33k85 View Post

E3400 is a much better CPU - its built on a 45nm architecture and can generally hit in the 4GHz range - it is a Wolfdale core and should provide plenty of oomph. I've used them in several builds and they are quite strong.

The e3400 will not be very strong in WoW.
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post #6 of 13
Can't you find a used Pentium E5200 or E5300 instead ? Those combine the two benefits of the two CPUs you mentioned, they are made using 45 nm technology like the Celeron E3400 and have 2 MB of L2 cache like the Core 2 Duo E6400.
Edited by tpi2007 - 4/12/12 at 11:46am
 
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post #7 of 13
http://www.overclock.net/t/1225680/for-sale-2-256megabyte-ddr1-sticks-ddr3-ram-kits-and-intel-core-2-duo-e6550-cpu

He is trying to get rid of a 6550 for about 50 bucks shipped. It has double the cache of the 6400 and a higher base clock.

My suggestion would be to look around for a Q6600 in the marketplace. Or a q8xxx.

I am easily maxing out WoW at full with my sig rig in 25 man raids I get a stable 50-60 fps. Arenas/BGs are in the 100s. World pvp depending on size can dip to about 45 but again this is at max settings (minus AA) I did this with my e8500 as well however I wanted the extra cores so I could livestream.
Edited by Crim427 - 4/12/12 at 11:47am
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post #8 of 13
Thread Starter 
I appreciate the suggestions for other CPUs but they are really out of his budget. This whole build is being done for under 300. Even an extra $15 to 20 more for a cpu is gonna put him over the limit. If it were my money I'd spend a little more but its not up to me. smile.gif Input on e3400 vs e6400 though still wanted!! Does WoW prefer cache or speed more?
post #9 of 13
Cache. At a certain speed even WoW will be bottle necked by your CPU even though it is almost entirely CPU based.

My e8500 when I had it up to 4.5ghz wasn't any different than 4.2ghz.

MY Q8300 is running at 3.4ghz and I see the same performance as my 8500 at 4.2 (Wow only uses 2 cores as of right now.) with 2mb less cache(apart from loading zones where the higher clock was a bit faster). If we were talking about a high end PC I wouldn't be able to answer this question however for a budget system the 4mb cache even at a 3.2ghz clock rate will outperform any higher clock with only 2mb, this is especially true with a budget video card.
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post #10 of 13
Thread Starter 
Quote:
Originally Posted by Crim427 View Post

If we were talking about a high end PC I wouldn't be able to answer this question however for a budget system the 4mb cache even at a 3.2ghz clock rate will outperform any higher clock with only 2mb, this is especially true with a budget video card.

Don't the e6400 and e3400 only have 2mb and 1mb cache respectively? I see your point though. Just hard for me to grasp that a larger cache could compensate for a 0.6ghz increase.
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