best performance: Intel Celeron M 1.4ghz or Pentium M 1.4Ghz, both with 1mb cache

[Need4Speed]

Battery life and speed stepping aside, how much more improvement would the Pentium yield over the Celery?
Both have 1mb cache and run 400FSB.

Currently have the celery in my laptop, but might be able to pick up the Pentium for reasonable price.

or should I be looking at a higher clocked Pentium M with 512k cache? the 1mb versions are more than I want to spend

 

[rogue1979]

Sounds like a Pentium M with 1MB cache is a Banias, the Celeron M with 1MB cache is a Dothan. They should be close to the same speed, the Dothan based cpu might have a few more optimizations.

 

[RichUK]

i thought the Dothan was a new form of centirno with 2Mb cache

 

[rogue1979]

Originally posted by: RichUK
i thought the Dothan was a new form of centirno with 2Mb cache

The Pentium M Dothan has 2MB L2 cache, the Celeron M version has 1MB.

 

[nellienelson1]

i would say that the celery would be as fast if not faster, as it will be banias or dothan based and the p m will be banias. if they are both banias then theonly only difference is the speedstepping and cooling sections that are different, if the celery is dothan based, which i think it is cos when i was looking at them the banias ones only had 256 or 512kb of l2 then the celery will be better, just depends if you can do with the slight difference in the battery life.
dares you to try and understand the drivell i just wrote

 

[imported_Kensai]

Dothan > Banias. Simple as that.

 

[Zap]

I'd say performance would be about the same. Battery would be better on the Pentium M.

 

[Need4Speed]

ok, now lets put a spin on it...
how about the celery 1.4 M with 1mb cache vs pentium M 1.8 with 512k? still keep the celery? or a better question would be ... how fast of a pentium M chip with 512k would be desireable to replace the 1.4 celery with 1mb cache?

 

[rogue1979]

I would say a P4-M of 2.4GHz would be needed to match a 1.4 Celeron M in overall performance. Each would have advantages and disadvantages in specific programs, but the P4-M will use much more power and produce much more heat.

 

[Need4Speed]

Originally posted by: rogue1979
I would say a P4-M of 2.4GHz would be needed to match a 1.4 Celeron M in overall performance. Each would have advantages and disadvantages in specific programs, but the P4-M will use much more power and produce much more heat.

wow..really? a 2.4? i guess im better of staying with the celery then. Im assuming thats because the celery has the larger cache?

 

[Zap]

Originally posted by: Need4Speed
how about the celery 1.4 M with 1mb cache vs pentium M 1.8 with 512k?

IIRC there was no Pentium M of any speed with only 512k cache. There was the Pentium 4 M, but not the Pentium M. These two CPUs are vastly different architectures.

 

[Need4Speed]

whats the diff between Pentium M and Pentium 4M?

 

[EightySix Four]

Everything, the P4M is going to suck at low speeds, and at high speeds. The PM is based off the original Pentium's architecture and is more like an Athlon64 than a P4

 

[Need4Speed]

so i take it the celery M with the 1mb cache is based on the P-M and not the P4-M. thus if im thinking of upgrading i should be looking for PM and not P4M? or is it possible to find a P4M that will be better than the celery?

 

[Need4Speed]

i just checked out the intel site...i think im starting to see the light...

P4M - 512k cache old design, 400Mhz FSB
PM - 1mb to 2mb cache , new design, 400-533Mhz FSB