Different CPU in X61s

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Paul88 · #1 Post by **Paul88** » Thu Oct 02, 2008 3:25 pm

Dear all,

I have found that X61s model has different CPUs. I was wondering what's the different of X61s tailor with
Intel Core™ 2 Duo L7500 LV (1.6GHz, 4MB L2, 800MHz FSB) vs
Intel Core™ 2 Duo T7250 NV (2.0GHz, 2MB L2, 800MHz FSB)?
My understand is L7500LV use less power so it should have longer battery life. Is it better to grab L7500LV instead of L7250NV?

Thanks in advance,

Paul

EOMtp · #2 Post by **EOMtp** » Thu Oct 02, 2008 4:47 pm

The first one is an X61s; the second one is an X61, not an X61s.
If you have the option, then consider the X61s with the faster processor, i.e., the 1.8GHz Low Voltage (LV) L7700 Core 2 Duo processor.

Paul88 · #3 Post by **Paul88** » Thu Oct 02, 2008 9:42 pm

Hi EOMtp,

Thanks for your response. I must be messed up. I believe I have seen X61s with different cpu from lenovo outlet.

Thanks anyway.

Paul

ajkula66 · #4 Post by **ajkula66** » Thu Oct 02, 2008 10:33 pm

It's probably Outlet listing that is messed up. Speaking from personal experience, don't believe the specs 100%, run them against the model number or call them...

Paul88 · #5 Post by **Paul88** » Fri Oct 03, 2008 3:10 pm

Thanks George.

732 · #6 Post by **732** » Sat Oct 11, 2008 5:58 am

IMO L7500 is way better than T7250 considering performance and battery life. L7500 is high end processor and T7250 is mid-range.

Paul88 · #7 Post by **Paul88** » Sat Oct 11, 2008 8:01 am

Thanks 732!!

How about X61s with L7500 (C2D) 1.6 compare to X60s with L2400 (core duo) 1.6? Is there significant in performance? Battery life? I don't need 64 bit.

Thanks,

EOMtp · #8 Post by **EOMtp** » Sat Oct 11, 2008 1:38 pm

Paul88 wrote:How about X61s with L7500 (C2D) 1.6 compare to X60s with L2400 (core duo) 1.6?

The fan on the X60s may be on 10% of the time or less under "normal" usage, whereas the fan on the X61s will be on 90% of the time under similar load. If 64-bit compatibility, max. 4GB memory rather than 3GB, or using newer internal WWAN cards are not of concern to you -- but quiet is important -- then the X60s is hands-down preferable to the X61s.

Paul88 · #9 Post by **Paul88** » Sat Oct 11, 2008 5:20 pm

Thanks EOMtp,

I think I made the right choice.

732 · #10 Post by **732** » Sun Oct 12, 2008 2:41 am

X60s seems to have much longer battery life (L2400 10-11h 8c) than X61s (7-8h L7500 8c). L7500 is, of course faster, but it's not that big deal. That's why I'm selling my X61s and getting X60s.

Paul88 · #11 Post by **Paul88** » Sun Oct 12, 2008 9:20 pm

Interesting!! Mine is getting like 8 hrs from a quite new 8 cell battery, but I doubt for 10 hours!! I have to do some research how to get that much of working time out of this one.

Different CPU in X61s

Different CPU in X61s

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