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[Wired] ARM Welcomes Windows with 64-Bit Chips - Page 3

post #21 of 58
Quote:
Originally Posted by DuckieHo View Post
ARM isn't new.... and ARM processors have already taken off... years ago.

ARM-based processors very much outsell x86-based ones.


Quad-core phones might appear next year. Tegra 3 (4+1 cores) tablets will be out in 1-2 weeks.

You won't see 8GB RAM phones for 5+ years.
1) There are no smartphone applications in the near that need this much memory
2) More RAM means more power draw. If nothing needs it, the RAM would just be wasting power.

My guess is that you might see 8GB of PRAM or Memistor-based RAM... but not SDRAM.


Except there are no ARM cores at 3GHz+.


...and it is not an exact comparision since you have to define "powerful". I don't believe ARM processors do too much (if any) path prediction.

X86 kills arm in throughput, because arm is very stripped down low power design. to make arm as powerful as x86, would pretty much kill the whole low power ideology behind the design.

For many tasks though and a good gpgpu strategy I could see ARM making some inroads in very specifically tasked devices. I think x86 will fix power consumption and battery technology will improve long before arm gets powerful enough to compete in the x86 space.
post #22 of 58
maybe lintel will have some competition in a few years.
    
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post #23 of 58
Quote:
Originally Posted by SCollins View Post
a single BD core is likely as powerful as 4 arm cores clock for clock.
looks like some one has their sarcasm detector on off
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post #24 of 58
Pretty cool stuff. I would like to see an ARM performance chip.
post #25 of 58
Quote:
Originally Posted by spice003 View Post
looks like some one has their sarcasm detector on off
He clearly meant a single bulldozer core power draw could power a ARM quad core.




Anyways I'd like to see the performance numbers, performance per watt, and of course what kind of performance increases we can see from them.


Maybe Nvidia's answer to Llano will actually turn out to not totally suck.
    
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post #26 of 58
Will this make it more difficult to develop desktop software? As in you'd need to write it twice, one for ARM and one for x86?
post #27 of 58
i wonder if part of ARM's strategy is to buy out AMD in the future... There's been subtle hints here and there of a full blown acquisition. I can only imagine.
post #28 of 58
Excited for the possibility of an ultra-low power HTPC using Windows 8 and an ARM processor.
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post #29 of 58
ARM quad-core != x86 quad-core. I loath the day that people start comparing their smartphone processor's to that of desktop processors because clock speeds are similar...

ARM has a reduced instruction set, so it's probably an order of magnitude slower than an x86 processor of five years ago.

And before anyone tries to use that benchmark were Nvidia's Kal-El 5-core CPU beat a T7200 Core 2 Duo, the test software version that Nvidia used was woefully unoptimized for the Core 2.

That said... Give me a CPU with 1000 Cortex A15 cores with a 100w TDP.
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post #30 of 58
Considering how little power smartphone ARM CPUs with a, what, 2W TDP(?) consume and how little heat they generate... just imagine a 125W ARM CPU. Watch it overclock past 10GHz on air (or, hell, be at that speed stock).

But, correct me if I'm wrong, don't ARM CPUs have much worse IPC than even Bulldozer?

EDIT: yeah, um, my iPhone with one ARM core at 1GHz scored ~400 in Geekbench whereas my 2.26GHz C2D-based MacBook Pro scored ~3400... get those clock speeds near well past 10GHz on a quad-core and we're talking.
Edited by Usario - 10/28/11 at 5:40pm
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