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Intel Yonah Performance Preview
illusoryphoenix writes "Anandtech has an interesting preview of the successor to Dothan (Pentium M's second generation), Yonah, with tests run on an engineering sample. It seems like latest Pentium M is still lagging in the floating point area, but has gained some ground overall. It's also interesting to note their comparisons to the Pentium D/Netburst based dual core."
Wow, a 65nm chip consumes slightly less power and performs slightly worse compared to AMD's bottom-of-the-line 90nm X2. Who's amazed? Aren't we just applauding because we see Intel as the big retarded kid who's just managed to tie his own shoes? What I'm trying to say is that this is no big accomplishment. If AMD's 65nm chips were turning out these sorts of performance numbers, we'd all scream about how this is a huge letdown, a step backwards, is this finally the end of AMD, etc.. So let's keep some perspective.
One thing that's always put me off of the Pentium M's has been the 533MHz Front Side Bus speed when the P4 FSB's are at 800MHz and some extreme editions at 1066MHz. Does anyone know what the FSB speed is off this chip? -- its not mentioned anywhere in TFA.
It consumes less than a 3800 X2? Isn't the fact that a laptop chip is even being *compared* to a dual core desktop chip in terms of power consumption quite worrying? And for that same "little big less power" they're getting a "little bit less speed"? I thought this was all about performance per Watt?
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The dothan caps at 27 wats, the yonah goes from approx 25-49 under max load(depending on model, there is an Extreme gamer chip version so that might explain the rather high second number), but it will most definetly not use 45 when not plugged in and probably go closer to the the min.
it costs Intel just as much to make a dual core Yonah, as it did for them to make a single core Dothan.
Considering it is the same price for much improved technology, this proves Moore's law is correct?
see http://en.wikipedia.org/wiki/Moore's_law
He who knows best knows how little he knows. - Thomas Jefferson
that's what we call "vendor lockin" ... Intel will do anything in their power to make it expensive to move to a competitor. In the desktop scene it doesn't matter because a mobo is like 100$. In the laptop scene it's quite a different story [unfortunately].
I suspect you're right about their motives.
Tom
Someday, I'll have a real sig.
... The Yonah uses less power at full load than the Athlon64 X2 does at idle.
To actually reply, these wouldn't be faster than the G4 if the G4 had a decent bus speed. But it's stuck at 167MHz. Double that, and G4 performance would go up almost as much, I bet.
Okay, I'm not a Mac guy and haven't followed this closely, but isn't OS X a 64 bit OS? Yonah won't be 64 bits (unlike the A64)... So, what's the deal? Did Apple just "downgrade" OS X to 32 bits for the x86 architecture?
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There are a lot of other factors to "system performance", like memory, video, and disk subsystem speed. How much of a gain will a dual core CPU buy if the system is waiting for a (relatively) slow disk? If you want to put in a 7200 rpm 2 1/2", or a pair of 'em (or here), well ok. But then power consumption and it's cousin heat go up. Bigger batteries, Ok. Now you've got weight. I guess it's all about trade-offs, and what do you really want.
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