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Core 2 Duo vs i5 2450M

post #1 of 4
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I have a Lenovo laptop with a core 2 duo p8600 2.40ghz and I'm looking to buy a laptop with a i5 2450m. I was just wondering how big of a difference it would be over the core 2 duo and if it's worth upgrading.
post #2 of 4
The i5 2450m is a significant step forward. It's faster than the core 2 quad mobiles. It's almost as fast as a Q6600 desktop CPU in multi-threaded tasks.

http://www.notebookcheck.net/Intel-Core-i5-2450M-Notebook-Processor.65510.0.html

It will be a decent upgrade.
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post #3 of 4
The speed difference will be massive, although make sure you get a laptop with a fast HDD or SSD.
the usual laptop HDD at 5400rpm is the main bottleneck for the i5.

I rendered some videos on my aunt's msi i5 2450m laptop and its speed was similar to my desktop phenom (sig rig).
Granted the phenom has the advantage of a high clockspeed, 6gb ram, and 7200rpm HDD

You can expect performance similar to your desktop 1090T
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post #4 of 4
What are your goals when it comes to getting a new laptop? If your concern is portability(read thinness) and/or battery life, newer systems are exceptional. If you concern is performance, I wouldn't worry much about CPU performance so much as disk performance unless you're gaming or doing a lot of encoding. Even then, encoding usually isn't time sensitive. Know your needs first and foremost.




I'm using a 2450 to write this. The laptop I'm using it on seems quite zippy. Both with a harddrive and with an SSD(especially with the SSD). The laptops I've used in the past included a 1.1Ghz ULV celeron, a 1.8GHz i3 based cereron and this. Desktop side, I've had a Phenom II @ 3.4 Ghz, a c2d e6400 @ 3.7 Ghz. At work, I use a a p8600 system. The main deficiency with my work system seems to be a lack of RAM(only 2GB). I primary do statistical analysis, and it only really chugs while doing analysis on huge data sets, or while doing large, complex time series calculations with many autogregressive terms. I'm hoping that when I get THIS(http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02057761&lang=en&cc=us&taskId=101&prodSeriesId=4138087&prodTypeId=321957) in the mail that it'll resolve any issues I'm having(16GB RAM is a blessing, as is the quad core CPU)

While I'll say that CPU performance doesn't matter as much as most think, I certainly will say that I can feel a difference between this and the 1.8GHz celeron system. It could partially be due to disk performance however. Additionally, the graphics performance(Intel 3000+ Radeon 6650) probably help out as well.


Try swapping an SSD into your current laptop first and see if it makes a difference. If you're unsatisfied, take the SSD with you to a new laptop.
Edited by xlink - 11/6/12 at 10:57am
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