Pentium M vs. P-4m

[dmoney]

What difference is there between the Pentium M chips and the P-4m chips. I know that there is something cause the Mhz speed is still high on one and lower and with more power in another. I always get the two mixed up. Please help in understanding.

 

[dmoney]

I know one of the two is used in conjunction with Centrino too.

 

[eriqesque]

Pentium M

 

[Pete]

Pentium 4M is a Pentium 4 with power-saving features, like dynamically changing clock-speed to conserve energy. You pay more for this feature; otherwise, the two should be the same. P4M is still rather power hungry compared to a P3M, though, obviously, it comes in much faster speeds.

The Pentium M is a different beast: much more energy-efficient, with a huge 1MB L2 cache, and faster per clock than a P4(M). I think a 1.4GHz PM is roughly equal to a 2.4GHz P4(M) in terms of speed, but you can read Anandtech's Pentium M laptop reviews for more info.

Generally the "M" after a Pentium name means mobile, thus more energy-efficient. For the P3M and P4M, that meant merely being able to lower clock speeds. The Pentium M, on the other hand, was designed entirely around energy efficiency--it's a much greater departure from the usual Pentium architecture than the previous "M" Pentiums.

 

[nanyangview]

HOW MANY DAMN TIMES MUST this QUESTION BE ASKED!??? NOW CAN't you just STICK UR NOSe to the monitor and find the GODAMN SEARCH BUTTON?

 

[eriqesque]

Originally posted by: nanyangview
HOW MANY DAMN TIMES MUST this QUESTION BE ASKED!??? NOW CAN't you just STICK UR NOSe to the monitor and find the GODAMN SEARCH BUTTON?

Me thinks someone is in need of a sedative.

 

[Acts837]

dudes got less than 50 posts ... give him a break.

 

[jimmyl930]

Check this site out for a performance comparison between the P4-M and the P-M.

 

[skypilot]

Dmoney you are lame sauce I told you this a thousand times and you wouldnt listen.