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Which E2xxx CPU?

tutu

tutu

tutu

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24 Jan 2003
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From the available E2xxx CPUs which are more likely to run 3 GHz at stock volts? (and thus cooler?) Does the multi make any difference (allowing you to run a lower FSB in this respect to vcore?)

Or is it just based on chance? Do they have differnet starting vcores?

My new rig is geared for silence. Heatsink will be a XP-120 (have it from my old rig) or a TRUE. Motherboard P35. RAM DDR2-6400.

When it's all stable I'm planning on using Speedstep (for watching films/web browsing etc.). Does speedstep adjust itself (e.g. if you are OC to 3 GHz and it would drop to say 1.2 GHz (guess)) or is it fixed (i.e. it would always drop to 1.2 GHz no matter what your overclocked to?)

I've never owned an Intel system btw hence the noobness.
 
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60/80... 60 for the more consistently proven OCs (apparently), 80 for the simple multiplier. Either way, they work well..

a word of caution; be careful; these chips more often than not need more than just stock volts to be stable at 3+ ghz from what i have seen.

speedstep is self adjusting; it will always take off a third of what your max OC is... so if you are at 3ghz, speedstep will give you 2ghz. if at stock (1.8), you'll get 1.2 idle. it usually drops to 2 for me when i browse, and i think when i play movies etc... need any more info, please post :)
 
I've spent way too much time reading about this. I'm going for the E2160 CPU :) Shame there isn't a 45nm version yet!
 
-iceblade^ said:
60/80... 60 for the more consistently proven OCs (apparently), 80 for the simple multiplier. Either way, they work well..

a word of caution; be careful; these chips more often than not need more than just stock volts to be stable at 3+ ghz from what i have seen.

speedstep is self adjusting; it will always take off a third of what your max OC is... so if you are at 3ghz, speedstep will give you 2ghz. if at stock (1.8), you'll get 1.2 idle. it usually drops to 2 for me when i browse, and i think when i play movies etc... need any more info, please post :)
Click to expand...

My speedstep gives me 2.2ghz on a 3ghz OC
 
speedstep is self adjusting; it will always take off a third of what your max OC is... so if you are at 3ghz, speedstep will give you 2ghz. if at stock (1.8), you'll get 1.2 idle. it usually drops to 2 for me when i browse, and i think when i play movies etc... need any more info, please post :)
Click to expand...
Nah your wrong mate, speedstep always drops to the chips lowest multiplier but dosnt change FSB speed at all. You can notice this in CPU-Z going from load to un-load.
Ramps up the multiplier to 8x400 (3.2ghz) for me, then when low load it will drop to 6x400 (2.4ghz). You may have different power saving settings at play.At idle yours runs 6x200mhz and ramps up too 9x200 under load (at stock).

I think speed step always drops to a 6x multi on E2xx0 chips, so if you have a lower chip and need higher FSB to get 3ghz you have faster speed stepped running.
For example:
E2140 : 3ghz = 8x 375 speed steps too 6x375 (2.250ghz)
E2180 : 3ghz = 10 x 300 speed steps too 6x300 (1.8ghz)

So theres actually a fair amount of difference in how fast the stepped down chip is.
 
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Just my two cents but i built my intel system with an e2160 at the wknd, first time i tried overclocking and have it stable at just over 3GHz with 1.4 vcore max load under orthos at 65ºC or in COD 4 at 56ºC under a tuniq tower :p Could probly drop the volts a little (i just whacked them up to keep it stable) want to get at least 3.2 out of it
 
DavidB said:
Nah your wrong mate, speedstep always drops to the chips lowest multiplier but dosnt change FSB speed at all. You can notice this in CPU-Z going from load to un-load.
Ramps up the multiplier to 8x400 (3.2ghz) for me, then when low load it will drop to 6x400 (2.4ghz). You may have different power saving settings at play.At idle yours runs 6x200mhz and ramps up too 9x200 under load (at stock).

I think speed step always drops to a 6x multi on E2xx0 chips, so if you have a lower chip and need higher FSB to get 3ghz you have faster speed stepped running.
For example:
E2140 : 3ghz = 8x 375 speed steps too 6x375 (2.250ghz)
E2180 : 3ghz = 10 x 300 speed steps too 6x300 (1.8ghz)

So theres actually a fair amount of difference in how fast the stepped down chip is.
Click to expand...

ah... thanks for correcting me :P. sorry for the confusion, @ the OP
 
I've ordered it now - but I went for the E2180 as I could get free shipping with it. Didn't want to spend more than the E2160, I should have gotten it with the rest of my gear!!

So many choices.
 
Now I have my E2180 but I've just sold 2 copies of Office 2007 Pro for £200 so I will be returning it and getting a E8400.

I haven't tried it so it's still fully packaged so I don't feel so bad :D

The reason I returned it is I want 45nm as I want to reduce my electric bill and have a near silent computer!! :D
 
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