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x220 battery life: is it better core i5 or core i7 ?

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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rzl
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x220 battery life: is it better core i5 or core i7 ?

#1 Post by rzl » Mon Apr 08, 2013 7:02 pm

Hello there!

I want to get a thinkpad x220 and i ran into a good offer. It features an intel core i7 2620m clocked at 2.6 Ghz.

My main worry is battery life: i've read that core i7 gets hotter than core i5. Should i wait and look for a core i5-based x220 ?

Also: This laptop has ben bought in the u.s, and it's being sold (2nd hand) in europe. Will it be covered by its original warranty, if still going ?

Thanks in advance,
--
Rzl

Cigarguy
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Re: x220 battery life: is it better core i5 or core i7 ?

#2 Post by Cigarguy » Mon Apr 08, 2013 7:37 pm

More processing power equal more power consumption so yes the I7 will consume more power. How much more? That's debatable.

lead_org
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Re: x220 battery life: is it better core i5 or core i7 ?

#3 Post by lead_org » Tue Apr 09, 2013 12:01 am

From my tests the performance difference is minimal (around 4 to 7% at max), but with the i7 X220 you get the USB 3.0, which is useful.
Current ThinkPad: T430u, T430s, X1 Carbon, X1, X230t, X220t, X230, X220, X201t, W520, W701ds, T500, T420 and many more

Timpel_800
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Re: x220 battery life: is it better core i5 or core i7 ?

#4 Post by Timpel_800 » Tue Apr 09, 2013 2:07 am

and you get the IPS screen and you really want that!
- Lenovo x220 tablet i5 multitouch
- Lenovo X260

600X
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Re: x220 battery life: is it better core i5 or core i7 ?

#5 Post by 600X » Tue May 21, 2013 4:50 am

When on battery the processor clocks at 800MHz and 0.798V. Power consumption is the same, no matter if i3, i5 or i7. Even with maximum performance there is hardly any difference since they all have the same voltage.
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ThinkPads: 600X (i3), A31p (FlexView), T43, T60 (FlexView), T61p (4:3), R61 (QXGA), X301 (AFFS), W500, X1

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