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ThinkPad T400 | Battery life

T400/410/420 and T500/510/520 series specific matters only
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antek2220
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ThinkPad T400 | Battery life

#1 Post by antek2220 » Sat Mar 10, 2018 3:52 pm

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Last edited by antek2220 on Tue Mar 13, 2018 6:55 pm, edited 1 time in total.
Daily:
x240|i5-4300u|Intel HD Graphics|8GB DDR3L 1600MHz|SSD Intel 535 120GB
Older machines:
T400, T61, T61P

Thinkpad4by3
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Re: ThinkPad T400 | Battery life

#2 Post by Thinkpad4by3 » Tue Mar 13, 2018 8:37 am

Ok, I'm trying to understand this but I think you are trying to say how will the T400's battery life be when you swap the CPU for a X9100.

Well that depends on the current config. If you are running a 35W CPU already like a T9550 or something it shouldn't that significantly reduced but if you have a low clock 25W chip like a P8400, you will see a decent drop. Maybe 25% worse battery life.
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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