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[GsmArena]Motorola officially announces RAZR i with 2GHz Intel CPU - Page 8

post #71 of 82
x86 is still not true RISC. Smartphones also have absolutely zero need for legacy instructions. The CISC to RISC decoder still, and always will, have additional overhead. Intel compensates for that with having best in class fabrication technologies, far superior to what TSMC can do or wherever else ARM CPUs are produced. That is how they can make x86 viable on a smartphone. But as I said, if an ARM CPU were fabricated on and optimized for the same process, it would stomp x86.
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post #72 of 82
Yay The ARM vs Intel chip race has officially begun! Time to see Innovation go up, and prices go down.

Where's AMD? No APU phones? Whaaat
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post #73 of 82
Quote:
Originally Posted by DuckieHo View Post

Isn't the power equation?
P = C * V^2 * f
Frequency increases power consumption linearly..... however, high clocks require more voltage and that is quadratic.
ARM's NEON extention helps to address this short coming: http://www.arm.com/products/processors/technologies/neon.php
Read hajile's link.... it convinced me. thumb.gif
Basically, CISC ISA and it's decoder adds overheard. While this overhead makes up small percentage of large performance CPUs, it becomes noticable on low-power CPUs and extends the pipeline.

You're right. That's what I get for posting after pulling an all-nighter. The one thing that goes unsaid is that increasing clockspeed in the real world will drive up the other two numbers making for less than linear scaling.
post #74 of 82
Quote:
Originally Posted by hajile View Post

You're right. That's what I get for posting after pulling an all-nighter. The one thing that goes unsaid is that increasing clockspeed in the real world will drive up the other two numbers making for less than linear scaling.

Don't you mean for more than linear scaling?
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post #75 of 82
Quote:
Originally Posted by DuckieHo View Post

Don't you mean for more than linear scaling?

I meant worse than linear scaling (power and capacitance tend to increase with clockspeed because of non-ideal physics).
post #76 of 82
Quote:
Originally Posted by cayennemist View Post

Yay The ARM vs Intel chip race has officially begun! Time to see Innovation go up, and prices go down.
Where's AMD? No APU phones? Whaaat

AMD has enough problems fabricating desktop and laptop products, trying to make an x86 mobile part would be really hard for them. (they have already said they are not interested in ARM)

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post #77 of 82
Quote:
Originally Posted by reflex99 View Post

AMD has enough problems fabricating desktop and laptop products, trying to make an x86 mobile part would be really hard for them. (they have already said they are not interested in ARM)

AMD has already announced that they will be using ARM logic blocks in upcoming designs to manage security.
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post #78 of 82
Quote:
Originally Posted by lynxxyarly View Post

Do want. Come to the US faster please. Need something to stop the ebb of ifail5.

I hate to be this guy but the iPhone 5 scores even better in the Sunspider benchmark than this phone so if that's a fail, why is this automatically better? That's the only iPhone 5 benchmark I know off the top of my head so if the other scores are better, feel free to correct me I legitimately don't know but from where I'm sitting it looks like the iPhone 5 is a little faster than this at half the clock speed...

Now, on the other hand, if the 20 hours of talk time is true then that's awesome because the new iPhone only manages about 8 hours on 3G or 4G according to Apple's specs! Their wording of "up to 20hrs" has me a little suspicious but we'll see. I'm excited about Intel stepping into this market.
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post #79 of 82
Quote:
Originally Posted by Remonster View Post

I hate to be this guy but the iPhone 5 scores even better in the Sunspider benchmark than this phone so if that's a fail, why is this automatically better? That's the only iPhone 5 benchmark I know off the top of my head so if the other scores are better, feel free to correct me I legitimately don't know but from where I'm sitting it looks like the iPhone 5 is a little faster than this at half the clock speed...
Now, on the other hand, if the 20 hours of talk time is true then that's awesome because the new iPhone only manages about 8 hours on 3G or 4G according to Apple's specs! Their wording of "up to 20hrs" has me a little suspicious but we'll see. I'm excited about Intel stepping into this market.

Thats like running running two completely different video card benchmarks to compare two cards. If you have any experince benchmarking you know there is always more to a number than it's face value.
    
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post #80 of 82
Quote:
Originally Posted by Mr.Pie View Post


half node is the production size

GPU's use half node production while Intel/AMD so far are using full nodes for their CPU's

half node: 55nm, 40nm, 28nm
full: 65nm, 45nm, 32nm, 22nm

(I might've gotten some of the figures wrong; but you should roughly know what I mean)
Ah right, I see. Thanks.

Quote:
Originally Posted by hajile View Post

SMT is simultaneous multi-threading. Intel calls it hyperthreading, but despite what they might want you to believe, DEC Alpha was the first chip to actually use it.

Fabrication sizes (each is a half-node apart.) 90nm, 80nm*, 65nm, 55nm*, 45nm, 40nm*, 32nm, 28nm*, 22nm, 20nm*
The standard nodes are approximately 70% the size of the previous nodes with the half-nodes (the starred ones) only giving about half that advantage.
Apple switched from 40nm to 32nm with the ipad2 and iphone5 (ipad3 and iphone4s still use 40nm which is half a standard size fabrication bigger). This gives the 28nm Qualcomm (and soon to be others) a half-node fabrication advantage.
Ah thanks. Sorry what do you mean by the "half-nodes only giving about half that advantage"? Also Apple used Samsung's 45nm process for the A4, A5, and A5X. They're now using 32nm as you said.
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