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Desktop Processors in Notebooks: How do they perform?

W

wutwjd

Member
I've always wondered how a desktop processor in a notebook performs. I'm currently looking at the HP zd7000 and the Gateway M675, both of which use a desktop processor (to the best of my knowledge, that is). How do these chips compare to desktop processors in a desktop? How do they compare against Pentium Ms? How do they compare against the Mobile Pentium 4 (like the one in Dell's Inspiron 5150)?

I had an Inspiron 5150, 3.06GHz Mobile Pentium 4 and thought the laptop ran quite well, comparable to the desktops my school's labs have. I've heard a lot about Pentium Ms, Mobile Pentium 4-M, and a bit about the Mobile Pentium 4 but don't remember reading much about the performance of desktop chips in notebooks.

Please, enlighten me. 😕
 
A 3.06Ghz P4 is roughly the same as a Pentium-M 1.7Ghz, with about 4x the power draw.

Mobile Pentium 4 and Pentium 4-M are the same thing, just the mobile variant of the Pentium 4.

The desktop P4s in notebooks perform well, but they do kick out a lot of heat and drain a battery's will to live. I believe the 3.2Ghz/800fsb procs in notebooks can get from 20mins to 40mins of battery life.

Edit - The PentiumMs are probably the best choice for a road warrier, high performance notebook right now.
 
Sorry to contradict you but I know the Mobile Pentium 4s are much better than the Mobile Pentium 4-Ms (damn Intel and its naming scheme). Go check out Intel's site for that info.

Here's the link: Intel Notebook Processors

Click on "Intel Processors Performance Benchmarks" under "Tools".

See, the thing is, I'm not sure how the processors compare when actually used (as opposed to in a benchmark test). And, seeing as how that information is from Intel's site, I'm not sure whether I can quite trust it or not. Though it does seem counter-intuitive to think that Intel would purposefully lie about the Pentium M's performance and rating it lower than the Mobile Pentium 4's, seeing as how it seems to be Intel's biggest mobile chip...
 
Of course Centrino/Pentium M is the hands down winner when it goes for mobility.

And rightfully so the Mobile P4 and P4m are basically desktop P4s that when tested seam to use less power than the average. Therefore it is suddenly packaged as a mobile chip. Of course they have diffrent features to cut the power draw a bit but basically your fitting a square peg into a round hole. However when you basically are using desktop chips in mobile application you still have a rather high performance.

FYI 1.7 Pentium M performs around a 2.6 P4. So if you need the absolute fastest Mobile P4 is still the way to go.
 
And rightfully so the Mobile P4 and P4m are basically desktop P4s that when tested seam to use less power than the average. Therefore it is suddenly packaged as a mobile chip.
Click to expand...

Even though your are off on your assumption.. that is quite an amusing interpetation of their manufacturing process.
 

And rightfully so the Mobile P4 and P4m are basically desktop P4s that when tested seam to use less power than the average. Therefore it is suddenly packaged as a mobile chip.
Click to expand...

Hehe 🙂
 
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