What CPU should i have?

Heya guys

So here is the deal. At the moment i have E6420 cpu wich is quite nice but its getting old and i need faster cpu for gaming. I wanted to sell my current cpu and buy a new one, wanted to buy E7500 but it has 1mb cache less than e6420 but its 800mhz faster (if not overclocked)

So please help me decide wich 775 socket cpu should i switch to ;)
24 answers Last reply
More about what have
  1. Strongly recommend you check out the CPU charts: http://www.tomshardware.co.uk/charts/desktop-cpu-charts-2010/benchmarks,112.html

    Pick a particular benchmark and you'll see the results of various CPUs. Try and find yours and look upwards for other socket 775 CPUs.
  2. What motherboard do you have ? If it is half way decent buy this and overclock

    Intel Pentium E5700 Wolfdale 3.0GHz LGA 775 65W Dual-Core Desktop Processor BX80571E5700

    or what the hell

    http://www.newegg.com/Product/Product.aspx?Item=N82E16819116385
  3. I have P5B from asus. That CPU of yours only has 2mb cache
  4. The E5800 spentshells linked to would be a good choice simply because it's high multiplier will make it pretty easy to overclock. It's high clock speed and more efficient core make up for the lack of cache, but primarily people are interested in it for it's cheap price and overclocking ability. As for directly comparing the 6420 to the E7500, you should consider that the 45nm CPUs are more efficient clock per clock and that more than makes up for the reduction in cache. The E7500 is also a pretty good overclocker.

    Since you have a P5B, which I'm assuming is based on the P965 chipset, you may be more limited in FSB overclocking than with a more modern chipset. For that reason I suggest you go with the E5800 as you shouldn't have much trouble overclock it with it's modest 800MHz FSB
  5. I just want to say that with entry level Sandy Bridge CPus and motherboards now available and with AMDs bulldozer right around the corner I can't really justify spending too much more money on an LGA 775 CPU.
  6. Unless u want to pay for my whole new system ill stay with 775 LGA
  7. Yeah I'm sitting on 775 and with Intel's constant socket changes and Sandybridge screw ups I can understand why you don't want to move.

    What about something like a Q6600? Should be fairly easy to pick up second hand?
  8. Rusting In Peace said:
    Yeah I'm sitting on 775 and with Intel's constant socket changes and Sandybridge screw ups I can understand why you don't want to move.

    What about something like a Q6600? Should be fairly easy to pick up second hand?


    they are/were getting a little rare and you might pay a lot.

    believe me the CPU I posted is your best bet as far as a new cpu goes

    3.2 mhz at 800 FSB 16 X multiplier is made of gold


    im tempted to waste 80 bucks and see what it will do on a decent board with a CM212
  9. ^ yup, good for overclocking and cheap. Like I said, it's hard to suggest anything else. If you want a Q6600 or Q9000 series CPU then check out eBay. I'm sure you can find someone selling off theirs, but if you don't buy from a power seller you're rolling the dice ^_^
  10. und3rtaker said:
    Unless u want to pay for my whole new system ill stay with 775 LGA

    So what is your budget than? A core 2 duo or pentium dual core under $80 will provide a significant performance boost. But if your budget is higher, a new $70 motherboard and $70 CPU will perform better, especially in gaming (Athlon IIx3) but possibly not enough to justify the cost.
  11. enzo matrix said:
    So what is your budget than? A core 2 duo or pentium dual core under $80 will provide a significant performance boost. But if your budget is higher, a new $70 motherboard and $70 CPU will perform better, especially in gaming (Athlon IIx3) but possibly not enough to justify the cost.



    don't you think a 4ghz pentium dual core would be a better gaming choice ?

    und3rtaker are you comfortable with overclocking ? if you are not avoid the Q6600 entirely 4 slow core arenot good for gaming

    I had a e5300 to 4GHZ with virtualy no effort the e5700 would be there in a heartbeat
  12. I am familiar with overclocking. I have overclocked my current CPU for a bout 800mhz, whats over that, system becomes unstable... Havent checked the exact deadline of it but its about 2.9. Anyway, socket 775 cpu between 80-90 bucks should be fine.
  13. spentshells said:
    don't you think a 4ghz pentium dual core would be a better gaming choice ?

    und3rtaker are you comfortable with overclocking ? if you are not avoid the Q6600 entirely 4 slow core arenot good for gaming

    I had a e5300 to 4GHZ with virtualy no effort the e5700 would be there in a heartbeat

    What do you play? Games from 2008 and before only?
  14. No, modern games....
  15. I have ATI Radeon 4850 and i play on 1280x1024.
  16. enzo matrix said:
    What do you play? Games from 2008 and before only?


    I was getting playable frame rates in Crysis (yes before 2008) and warhammer2 rise of Chaos 2010
  17. So anyone has any suggestions lol?
  18. und3rtaker said:
    So anyone has any suggestions lol?

    Not until you give us a budget.
  19. I did give you... its around 80-100 bucks
  20. und3rtaker said:
    I did give you... its around 80-100 bucks

    Sorry, I skimmed over that post.

    With that budget, you are looking at a decent dual core 775 chip. Something like these:
    http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007671%2050001157%20600005851&IsNodeId=1&bop=And&Order=PRICE&PageSize=100

    From that list, in my opinion, the following processors are worth their price and are a worthwhile upgrade:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16819116381
    http://www.newegg.com/Product/Product.aspx?Item=N82E16819116385


    I gotta ask though, why do you think your CPU is holding you back with gaming? How do you know?
  21. Is it ok to sacrifice 1mb of cache for a faster CPU?
  22. und3rtaker said:
    Is it ok to sacrifice 1mb of cache for a faster CPU?


    It will make little to no difference.
  23. For example. Atm i have E6420 with 2.83 ghz wich is overclocked and 4 mb cache. What i might buy is something as E7500 with 2.93ghz (hear it can be overclocked to 3.5-3.7ghz) and it has 3mb cache. I think it makes some difference ;)
  24. und3rtaker said:
    For example. Atm i have E6420 with 2.83 ghz wich is overclocked and 4 mb cache. What i might buy is something as E7500 with 2.93ghz (hear it can be overclocked to 3.5-3.7ghz) and it has 3mb cache. I think it makes some difference ;)


    the 5800 will allow for an overclock that will easily overtake the value of the extra cash.
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