e5700 or e6800?

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firegun9

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May 30, 2007
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I am thinking upgrading my e2140 (oc 2.8Ghz) to either e5700 or e6800.

e5700 ($87.99) Intel link
e6800 ($93.25) Intel link

The only difference from intel website is e6800 supports additional instruction set extensions (SSE2, SSE3, SSSE3). Does that matter in gaming?
As for price, they are almost the same.

Here is the comparision from cpu-world.

I use my desktop mainly for gaming in tf2.
I have Gigabyte p35-ds3l, which has max fsb 333.
e5700's high multiplier looks better to me. 333 * 15 = 4.9Ghz :D
As long as it will oc to this speed...
333*12.5 = 4.16Ghz on e6800 is not bad either, and this should be much easier.

Suppose both settings are available, will e6800 need less voltage increase and generate less heat ??
 
Tough call. Have you searched the for sale/trade on the forums or eBay though? You can probably get a used core2 e6750 or e8400 for a similar price.
 
mrrogers747 said:
Tough call. Have you searched the for sale/trade on the forums or eBay though? You can probably get a used core2 e6750 or e8400 for a similar price.
Click to expand...
A used e8400 is about $100-105. Not a bad price.
But its stock speed is 9x333= 3Ghz already.
I am afraid my fsb wont go up stable.
Comparing 4Ghz with 2mb cache and 3Ghz with 6mb cache, I really don't know which one is better in gaming. What I most care is the minimum fps.
 
What do you mean it maxes at 333? I had that same board with a q6600 running 367 sometimes. It probably won't go up anymore because of your current CPU hitting a wall, you should be fine
 
My fsb could go up to 400 no problem, which makes the speed to 400*8=3.2Ghz.
But I was afraid it was too much for my mb, cause its spec says 800/1066/1333 FSB, and my north bridge will be very hot.
 
My P35 board does 400MHz all day long, and it's a Shuttle. The gigabyte will do more than 333.
 
I used to run a P35 DS3L with my Q6600 at 9x400 for 3.6ghz, and the northbridge ran quite cool at those speeds.
 
cache size makes a huge difference in games. especially going from 2mb to 6mb. I did the same thing a couple years ago. Difference was like night and day.
I wouldnt expect to get either over 4.5ghz unless u got amazing cooling though.
 
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