Which of the two is faster?

[DigitalX]

Celeron 800/100/128

or

PIII 650/100/256

 

[MobiusPizza]

Depends
I'd bet on PIII 650/100/256 because of the RAM

 

[Reapsy00]

I think the p3 too

 

[xsilver]

if you're running xp -- for all intensive purposes, it should be the same
the extra 128k cache almost makes up for the 150mhz difference
if you're overclocking however -- the celeron might end up going higher -- if you've got good enough cooling 1000mhz shouldnt be out of the question
the p3 should top out at around 850mhz or so

 

[Quasmo]

definately the PIII I used to tell customers the real speed of a celeron was take what ever they say on the label, multiply it by 0 and add 500, thats how you get the real speed.

 

[mooglekit]

Originally posted by: Quasmo
definately the PIII I used to tell customers the real speed of a celeron was take what ever they say on the label, multiply it by 0 and add 500, thats how you get the real speed.

ROTFL, I love it...

Ah celery, how you betray me with your false promises!

P3 all the way...if you still have to use a P3...

 

[dwcal]

Either way, it's very close. When the Coppermine Celerons first came out they were popular as value overclockers. They were cheap and you could easily get 800-850Mhz out of them. A few overclocking articles said you could expect about the same performance as a PIII 650Mhz.

EDITED for typo

 

[hurtstotalktoyou]

It's extremely close. I couldn't find exact benchmarks, but here's a helpful table. In a synthetic analysis, the A Celeron 566 overclocked to 782 MHz performs almost identically to a PIII-650/100. The edge seems to go to the Celeron, here, but remember that's just one test, and it's not even real-world.

As for overclocking, who knows? My guess is that the Celeron might have more headroom, but I think the 650 was the bottom end of the spectrum of PIIIEs.

 

[microAmp]

http://www.anandtech.com/showdoc.aspx?i=1264&p=6

About the best I can find on Anand's site without using different mobos or video cards, etc...

I forgot about all those various chipset he used to benchmark

 

[GoSharks]

the p3 650 should be able to overclock to 866+ pretty easily if you are into that. back in the day, the "hottest" chip on the market for OC'ing was the p3 700 - which would go to 933 without a problem.

 

[DaveSimmons]

At stock the Celeron is probably just a little faster.

Most of the awful performance reputation of the Celeron came from the 66 MHz FSB parts uo to the 766. Slow FSB + half cache = dog. That, and the first couple of generations of crippled P4 celerons.

This is a 100 FSB part so the cache hurts it some (at least 10%) but there is no FSB hit.

 

[wchou]

by today's standard their both slow as turtle, so who cares? Athlon at 1.7ghz smokes either of them, and it's pretty old. That's my slowest computer, I would not tolerate anything slower.

 

[BurnItDwn]

The "celermine" at 800mhz generally performs about as fast as a 650 to 700mhz coppermine PIII depending upon the application.

That PIII is the coppermine core, so It's nearly as fast as the celeron.

 

[spacejamz]

I am sure it is in here somewhere...

 

[hurtstotalktoyou]

First of all, nothing was mentioned about RAM. The PIII 650/100/256 means 650 MHz clock speed, 100 MHz bus speed, and 256 KB L2 cache.

The Celeron 800 is just a bit faster at stock than the Pentium III 650. Unless you plan on overclocking, that is the answer to your question.

 

[manly]

The P3 might even do 866 MHz.

 

[0roo0roo]

p3 if you overclock. celly if you don't. the speed makes up for the cache. and for stuff that just needs number crunching the mhz is mhz

 

[hurtstotalktoyou]

While not the most reliable of sources, FiringSquad gives the following overclocking potentials: 1072 MHz for the Celeron 800, or 866 MHz for the PIII 650E. So, again, the performance gap is extremely small, but seems to be slightly in favor of the PIII.

So, once more, we can safely say that at stock speeds the Celeron is the best choice, but if you're overclocking the PIII probably makes more sense.

 

[The Green Bean]

I would take the P3 becuase of double the RAM

 

[CraigRT]

Tough call. I'd normally say PIII in a thread like this, but because the 800 Celeron was the first to have 100MHz FSB, they are alright performers. The only difference is in the cache, BUT the Celeron does had a 150MHz advantage... man, I bet it just depends on the app. I'd love to see some benches on the 2.. I bet it's close.

 

[0roo0roo]

well either is only worth it if it were free. they are so slow.