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[SA]Guess what taped out at AMD? - Page 2

post #11 of 13
Quote:
Originally Posted by MrAlex View Post
No chance. ARM SoC's tend to run < 1W, usually around 500mW. Qualcomms Scorpion runs at 500mW. An ARM dual-core should use about 1W.
I concur. Although this is a very efficient chip, it offers leaps and bounds over the performance you'll find in any ARM chip, hence the higher energy envelope.
    
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post #12 of 13
Quote:
Originally Posted by MrAlex View Post
No chance. ARM SoC's tend to run < 1W, usually around 500mW. Qualcomms Scorpion runs at 500mW. An ARM dual-core should use about 1W.
That's 1W without a good GPU. Add one of the upcoming Tegra, adrenos, or infineon GPU's and the peak power numbers go up quickly.

If this chip can use little power (in the 10-30mW range) when idling, it can compete. In fact, it can be more than competitive if it achieves this because it will be faster when doing something (better for user experience) and then go to an idle, power-saving mode more quickly. For example, the dual and quad-core a9 processors (and upcoming a15's) use much more power than an a8. They are considered to use less power than an a8 ONLY in situations where they can complete a task quickly and return to idle.

It is not likely that a Zacate would ever hit 5W peak power usage on a phone or tablet. That would require multitasking huge tasks (by phone standards) in the background while fully utilizing the GPU and video decoder. The only other task which would come close is gaming, a field where performance penalties would be similar to a dual/quad core ARM using a big GPU (there's no getting around the GPU power usage problem when crunching numbers).

All that said, a Zacate would drag all the x86 CISC and legacy problems into the phone and tablet space which is something I don't like very well. I do like the fact that it would be a bit harder to lock down x86 based devices though. Also, AMD's pushing for OpenCL which could be a big plus for power consumption by making better use of the GPU and saving even more power.
Edited by hajile - 4/12/11 at 2:09pm
post #13 of 13
Getting "taped" and yielding good results are two different things.They are ahead of schedule,and so far everything looks rosy for testing late 2011.23nm won't be hitting stores before Q2 2012 at the earliest.
Edited by Redwoodz - 4/12/11 at 2:40pm
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