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X2 comparision - Page 2

post #11 of 56
Thread Starter 
Quote:
Originally Posted by Ste
Here's a comparison benchmark between lots of the more recent CPUs. Really good for comparing the performance at stock levels in all sorts of benchmarks inc games: http://www23.tomshardware.com/cpu.ht...2=241&chart=70
It also shows you the difference between a 3500+ and a 3700+ so you can see the difference that L2 cache makes.
According to that chart, both the 3800+ and the 4400+ X2 chips perform worse in Doom 3 than my current 3700+.

Whats all that about ?
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post #12 of 56
Those games aren't optimized for dual cores, however the games coming out this year going to start utilizing dual cores. And when you run programs that actually utilize dual core processing the performance increase is dramatic ! Look for some benchmarks for multithreaded programs and dual cores vs the fastest single cores out.
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post #13 of 56
Thread Starter 
Heh, didnt look at the multi-tasking benchmanks.

All the info is cool lads, thanks alot.

I had been interested in an Oepteron 165 and know a place in the UK that currently has stock of them but as has been mentioned, the prices have risen considerably and someone on another forum mentioned they were going to be discontinued?!

My personal choice between the 3800+ and the 4400+ was going to be the 4400+ and I think I will stick whith that, the extra £100 or so doesn't really bother me and if needs must I can always flog my 3700+ [ although I probably will keep it for another machine ].
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post #14 of 56
Quote:
Originally Posted by erauman
No they don't, each core has 64KB of both data and instruction L1 cache, so 256KB of L1 cache total on a dual core
Isn't that what I said?

Opteron's have 64k of data cache and 64k of instructrion cache, totaling 128 per core.

X2's have 128k of data cache and 128k of instruction cache, totaling 256 per core.
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post #15 of 56
Quote:
Originally Posted by lonnie5000
Isn't that what I said?

Opteron's have 64k of data cache and 64k of instructrion cache, totaling 128 per core.

X2's have 128k of data cache and 128k of instruction cache, totaling 256 per core.
Nope, i'm afraid both have have 64k of data of cache and 64k of instruction core, totaling 128 per core.
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post #16 of 56
Get the 170 opteron and overclock it higher than the 4400 or 3800. It's probably cheaper than the 4400 also.

But as far as your original questions...

1) Yes. There will be a difference, it's extra speed, and superpi times will reflect the extra cache.

2) No. The 3800 gets to 2.6, the 4400 gets to 2.7-2.8.

Look into the opteron duals, cheaper and will overclock higher than both.
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post #17 of 56
Thread Starter 
I`m only using air cooling at the moment, will a 165 still be able to make it past 2.4 on air ?
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post #18 of 56
Quote:
Originally Posted by Enigmatic
I`m only using air cooling at the moment, will a 165 still be able to make it past 2.4 on air ?
the 3800 and the 4400 should definietly make it past 2.4 on air. All the chips should, but the 165 should overclock higher than both of those, or at least to the 4400 speeds. I would look into the 170.
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post #19 of 56
Thread Starter 
The 170 is 4400+ prices. Is there much point in me opting for an Opteron 170 over the X2 4400+ ?

For the same price would I not be just as well off getting the 4400+ ?
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post #20 of 56
Quote:
Originally Posted by Enigmatic
For the same price would I not be just as well off getting the 4400+ ?
it's your choice, the 4400 will have a x11 multi, and the 170 will have a x10.
But the odds of a higher overclock will be in the 170's favor. I dont like X2's. I dont understand why people buy them when they have options for opterons. especially the 4200, that's a joke.
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