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2.3 GHz (8 GB L3 cache) vs 2.5 GHz (6 GB L3 cache) Need help, please, to make a quick decision...

post #1 of 13
Thread Starter 
Hi folks.

Here's the short question: Which Intel Sandy Bridge quad core do you think would perform better for heavy software development? (SQL Server, MySQL, IIS, Visual Studio, etc. running in VMWare)?

2.3 GHz with 8 MB L3 cache?
-or-
2.5 GHz with 6 MB L3 cache?

In other words, what will give me more punch? The larger cache or the faster clock cycle?


Here's the background...

Just bought a MacBook Pro and I'm running Win 2008 R2 on Fusion on a 17" 2.3 GHz quad core (early 2011 model).

I bought this from the Apple reburbish outlet. Last night, a 2.5 GHz (late 2011 model) popped up on the outlet and I ordered it (since I still have time to return the 2.3 GHz for full refund).

But should I really switch? The 2.3 GHz has a 8MB L3 cache, and I was surprised to find out that the newer 2.5 GHz has a smaller 6MB cache.

Could someone please provide some experienced input on which configuration they would rather have to run multiple OS's and perform development on (Sql Server, MySQL, Visual Studio, IIS, etc). Also, any other differences between those two models I should take into account?

Thanks in advance for your feedback.
-Dan
Edited by danesi - 3/29/12 at 5:19pm
post #2 of 13
Honestly, you probably wouldn't be able to tell the difference in performance without actually running benchmarks.

I would take the 2.5ghz one if they are both sandy bridge cpus.
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post #3 of 13
8GB L3 cache?!
6GB L3 cache?!

wow... thats alot.

I'd go with the 8GB one and overcook bacon on it biggrin.gif
 
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post #4 of 13
Quote:
Originally Posted by OC-Guru View Post

8GB L3 cache?!
6GB L3 cache?!
wow... thats alot.
I'd go with the 8GB one and overcook bacon on it biggrin.gif

lol - I somehow think the "G" key has been mistyped - but that's shockingly bad hand-eye coordination - almost two inches of seperation from the "M" key

biggrin.gif
Edited by Kusanagi - 3/29/12 at 8:52pm
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post #5 of 13
Thread Starter 
Whoops, yes, would be nice for the caches to be THAT large. That was a "too many things on my mind" typo. smile.gif I'm editing the original post.
post #6 of 13
Quote:
Originally Posted by danesi View Post

Whoops, yes, would be nice for the caches to be THAT large. That was a "too many things on my mind" typo. smile.gif I'm editing the original post.

I'm gonna go ahead and say that the larger L3 cache will give you more of an advantage, at an increase of 33% it's likely to be more useful than the 8.7% increase in clockspeed you'll get from a 2.5 Ghz model - I could well be wrong, but that's just what i think
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post #7 of 13
Thread Starter 
Thanks, folks, for all of your replies.

Kusanagi, I've been leaning in the same direction (since I run several apps and services at once -- I think they would benefit from the larger cache). If everything else remained equal, does an increase in clockspeed (as measured in GHz) yield strictly linear improvement in performance? I always conjectured that the performance increase was exponential. (The bump up in price always seems to be.)
post #8 of 13
Quote:
Originally Posted by arlet1210 View Post

I'd go with the 8GB one and overcook bacon on itg.gif

nice copy pasta, jerk.
 
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post #9 of 13
Quote:
Originally Posted by danesi View Post

Thanks, folks, for all of your replies.
Kusanagi, I've been leaning in the same direction (since I run several apps and services at once -- I think they would benefit from the larger cache). If everything else remained equal, does an increase in clockspeed (as measured in GHz) yield strictly linear improvement in performance? I always conjectured that the performance increase was exponential. (The bump up in price always seems to be.)

The larger cache is ultimately going to be the limiter on how much a processor can do, I have no idea if the 2.3Ghz model could be overclocked by 200mhz, (that'll depend upon the chipset) but if it could - it would be the clear winner - unless the L3 itself could be adjusted, which is something i know less than nothing about biggrin.gif
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post #10 of 13
Quote:
Originally Posted by OC-Guru View Post

nice copy pasta, jerk.

Pasta + bacon = Pasta Carbonara
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