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How fast is a Pentium M compared to a regular Pentium 4?

post #1 of 10
6/10/05 at 1:26pm
Thread Starter 
Hey everyone,
I tried searching but found no results, so I apologize if this is a redundant question

Anyhoo, I'm looking into replacing my Inspiron 5150. It has a 3.06Ghz P4 chip. I noticed there is a huge price difference between the Pentium M 1.6, 1.8, and 2.0 GHz processors. I'm very happy with the performance of my current laptop, but it is, as expected, too heavy and very noisy when doing CPU-intensive tasks.

So, long story short, which Pentium M processor would give me the closest in the performance I get with a 3.06 P4 chip? I'm aware that other factors such as RAM speed, hard drive speed, etc. will affect that.

Thanks!
Kirupa
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post #2 of 10
6/10/05 at 2:22pm
i THINK you multiply the pentium M processor speed by 1.7 to get an equivalent pentium 4 speed...
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post #3 of 10
6/10/05 at 2:52pm
prolly the 1.8 will give ~3.0 Ghz in most things save processor intensive math like Video Encoding (where it will be a little slower). The PM is an overperforming little chip.
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post #4 of 10
6/10/05 at 2:54pm
Get an M if you want to game.
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post #5 of 10
6/10/05 at 2:57pm
By searching for "Pentium vs Centrino" you get some useful info in many threads. Try these:

http://www.notebookforums.com/showth...ntium+Centrino

http://www.notebookforums.com/showth...ntium+Centrino
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post #6 of 10
6/11/05 at 5:59pm
Quote:
Originally Posted by kirupa
Hey everyone,
I tried searching but found no results, so I apologize if this is a redundant question

Anyhoo, I'm looking into replacing my Inspiron 5150. It has a 3.06Ghz P4 chip. I noticed there is a huge price difference between the Pentium M 1.6, 1.8, and 2.0 GHz processors. I'm very happy with the performance of my current laptop, but it is, as expected, too heavy and very noisy when doing CPU-intensive tasks.

So, long story short, which Pentium M processor would give me the closest in the performance I get with a 3.06 P4 chip? I'm aware that other factors such as RAM speed, hard drive speed, etc. will affect that.

Thanks!
Kirupa
pentium M 755 is equivalent to a P4 3.2 and a pentium M 745 is equivalent to a P4 2.8
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post #7 of 10
6/11/05 at 7:40pm

pentium m

If you don`t care about battery life,the bigger the processor the better,but i`m running the new dell 17 widescreen it`s f@%kin awesome,and nothing comes close!!!!!!!!!!!!!
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post #8 of 10
6/15/05 at 5:50pm
M is better for gaming, P4 is hotter but is better at bigger applications.
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post #9 of 10
6/15/05 at 7:27pm
Pretty much everything you want to know on the subject.

http://www.tomshardware.com/cpu/20050525/index.html
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post #10 of 10
6/15/05 at 11:17pm
As I understand it the P-M 2.0GHz = P4 3.2GHz and the P-M 2.13GHz = P4 3.4GHz. These are aproximations but pretty close. The upcoming P-M 2.26GHz should be close to the P4 3.8.

If that helps any.
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