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jarrod on 15 July 2010
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Soleron said:
disolitude said:
...

I think the fact its an all in one cpu/gpu solution will give them similar battery performance to the PSP 1 which is all that is needed really. I have not read much about Tegra 2 battery performance, but Zune HD with Tegra 1 chip has had nothing but praise about battery life from what I've heard.


The article refers to a seperate CPU: "For a device that has already been delayed because of it's CPU, that is not a good sign.". So it may have two CPUs, one on-die and one off-die. The off-die one would appear to be more important. That's not a bad thing though - the DS has two CPUs as well.

With Tegra, it's not so much the absolute battery life (which was good) as that Nvidia promised X power use and delivered well above X (unacceptable in the embedded market) so all those design wins were cancelled. For Nvidia to have spent all that development money and get one SINGLE viable product (Zune HD) is not going to make money in that space. Normally chips by Qualcomm, Broadcom etc. need tens of retail products to do so. Especially after announcing so many Tegra products that never appeared.

More info here: http://www.semiaccurate.com/2010/04/14/samsung-dumps-nvidia-tegra/

Oh, good catch about the "2nd CPU" bit!  Maybe this will be the answer to back compat?  That's also (partially) why Nintendo stuck the upclocked ARM7 in DS, for GBA playback.