C2D 1.5ghz - P4 equivalent?

Hi!

I was just wondering how well a T5250 C2D 1.5ghz 667fsb performs in comparison to the older P4s?

What's its P4 equivalent? Roughly? Is it double the frequency?

 

Far better. Basically it's like this.

P4 <<<<<< Pentium D <<<< Athlon X2/Core Duo <<<< Core 2 Duo.

 

a 5.00 Ghz P4 can't beat that processor

 

Far better? So it performs even better than double the frequency? Or is it difficult to compare?

 

!! Really? Cool. Thanks!

 

I think it's like 3 or 4 times better than a P4 or something, may be off.

 

Depends. Clock for clock, something like twice the efficiency probably isn't too far off (which means it'd equal a 3GHz P4, roughly speaking).

But then the C2D is dual-core, which the P4 isn't. So in some cases, it'll be twice as fast again. In others, it won't.

Yes, it's difficult to compare. It corresponds to a P4 running anywhere between 3 and 6GHz...

 

On Multi-threaded applications the C2D is indeed like a 5GHz or so P4. On single Threaded probably more like a 4GHz P4 but still... owned ^^

 

Pentium 4 XE 965 DC+HTT 3.73Ghz crushes it like a bug! But that was an insane chip at the time (cost). It is about twice a P4 C (512KB L2) and P4 E (1MB L2) @ 3Ghz w/out HTT, and by the way the C is faster than the E. So in a single threaded it should do at least as well as a 3Ghz P4.


Edit: I am comparing with Desktops that is how good it is!

 

Ok C2D is efficient but there's no way that a 1.5Ghz Core 2 Duo would equal a '5ghz' P4 or anywhere near it. I'd say you're looking at a rough equivalent to a 3.2Ghz P4 or thereabouts.

 

Actually, it is very close. Higher end 2GHz dual core processors are about as powerful as a (theoretical) 6GHz P4 w/o HT.

 

that's not true. If the C2D was only single core it would perform like a P4 2.8 or 3.0ghz processor. And since a lot of applications are singlethreaded a 5.00Ghz p4 would crush it. But when you use dualcore your processor can take much more then a 3.0ghz p4 processor. I just dont know how much more, depends on the applications too.

 

What you ll notice is, that it is faster. Enuf said.

 

No, even in the completely single-threaded benchmark SuperPi, a 3GHZ P4 is only going to do about 100 to 110 seconds, whereas his processor performs between 80 and 90 seconds. Even in a completely single-threaded environment (which is impossible because even your OS will be running more than one thread in the background) his processor would be about on par with a 3.6GHz P4. In any kind of real world situation (even with single threaded apps) the 5GHz comparison pretty accurate.

 

i doubt a 1.5ghz performs between 80 and 90 seconds the superpi test. It's more likely if it's between 90 and 100. (were both talking about 2M i think?)

 

Actually, I was being conservative, the following review states 77seconds:
http://www.reviewpub.net/2007/07/hp-verve.html

If you google "T5250 Super Pi" you'll see that most got in the very low 80s for this processor.

And yes, this is the 2m test.

 

hmm strange your right, and even more weird: it's a faster result than a T2400...

 

I have the T5450 (1.67ghz, 667mhz FSB)(on G965 chipset) and I have 1m17s for 2M in Super PI.

Same score than the C2D 1,5ghz,,,

 

Guys, actually it is up in the air on some stuff. Both types of processor are really strong in certain areas; however, c2d is a better overall processor. My Pentium D (a dual Pentium 4) 940 3.2ghz overclocked to 4.4ghz runs about the same as a 2.0 Core2Duo in the wprime test. However in the Sandra standard Processor Arithmetic, my Pentium D is neck and neck with a e6600. Pictures are below.

If you are thinking about performance per watt though, C2D wins hands down.

 

Except for one thing. SuperPi is not an accurate benchmark of anything other than the performance of a CPU in SuperPi.

 

SuperPi is a fairly good benchmark of a intense single threaded apps, of which there are still quite a few. And anyhow, I was only using it to show that even in the unlikely event of a single threaded situation, the C2D is still equivalent to around a 3.5 - 4GHz P4. In multithreaded tests the results are even more extreme.

 

Woah!

Cheers for all the help guys! Much appreciated!