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Pentium 4 vs Pentium M

post #1 of 5
9/28/05 at 12:15am
Thread Starter 
I know that the pentium M gets a lot better battery life. but why did dell call it a Pentium M at 2.0 GHZ is like the same as a Pentium 4 and 3.2?

is that true? or does the pentium M lose considerable amount of speed compared to the 4?
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post #2 of 5
9/28/05 at 12:37am
The Pentium-M is a much more efficient processor. The general rule of thumb is the P-M clockspeed + 1 ghz, so a P-M 2.0 is equal to a P4-3.0.

Intel is going away with the P4 lineup. All future desktop AND notebook chips will be based off the Pentium-M architecture.
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post #3 of 5
9/28/05 at 12:44am
Quote:
Originally Posted by falconbal2
I know that the pentium M gets a lot better battery life. but why did dell call it a Pentium M at 2.0 GHZ is like the same as a Pentium 4 and 3.2?

is that true? or does the pentium M lose considerable amount of speed compared to the 4?
It's not really dell that names them this way. It's just that now intel has finally realized that clock speed isn't everything, kind of like AMD's 'philosophy'. If you ever look, most of their processors are nowhere near as fast as the P4 counterparts (clock-speed wise), but they perform just as fast or better. For example, the Athlon 3500 is only like 2.0 Ghz (somewhere around there), but it performs roughly comparable to a 3.5ghz P4.

Basically...don't let clock speed affect your decision of buying a laptop. (unless its something like...a 200Mhz Pentium II or something... )
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post #4 of 5
9/28/05 at 12:55am
Quote:
Originally Posted by falconbal2
I know that the pentium M gets a lot better battery life. but why did dell call it a Pentium M at 2.0 GHZ is like the same as a Pentium 4 and 3.2?

is that true? or does the pentium M lose considerable amount of speed compared to the 4?
The "Pentium M" and the "Pentium 4 3.x" are all Inter designated product names. As a rule of thumb, it's like +1 or 1.6 x Pentium M = Pentium 4 3.x

The Pentium 4 has been benchmarked to be better at video encoding/decoding and number crunching than the Pentium M. It also has hyperthreading which the Pentium Ms do not have.

Other than that the Pentium M is as efficient but runs far, far cooler than the Pentium 4.
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post #5 of 5
9/28/05 at 1:10am
hmm....deja vu...
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