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Which chip is the main CPU in this photo?

The image was taken from there. Samsung Galaxy 3

enter image description here

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    \$\begingroup\$ Are you kidding? The largest IC is shown at 5 mm wide, 90% of the picture is mechanical parts! \$\endgroup\$ – stevenvh Jun 3 '12 at 15:34
  • \$\begingroup\$ seriously? was it that bad of a question. lol \$\endgroup\$ – Reactgular Jun 3 '12 at 16:05
  • \$\begingroup\$ Hey, only one of the downvotes is mine! :-) \$\endgroup\$ – stevenvh Jun 3 '12 at 16:08
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    \$\begingroup\$ @Mathew Foscarini I also down-voted and up-voted stevenh's comment. In general case, if this was some unidentified device, we'd be unable to determine the parts with a picture such as this. The single most important thing when expecting someone to decode a circuit from a photo is to provide picture(s) with all part numbers readable. The second would be to provide both sided of the board. In my opinion the linked image does not qualify and the only way we can actually determine what is pictured is by knowing it in advance from some other source. \$\endgroup\$ – AndrejaKo Jun 3 '12 at 16:23
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    \$\begingroup\$ @Mathew Foscarini I'll exaggerate a little bit in this example, but I think that it will make the point: Imagine someone showed you a satellite picture of a rock concert and asked you to find a certain person there. Yes, we can in general see that it is a large gathering of the people and yes, we can roughly see some larger objects, but we can't give positive identification of a single person. \$\endgroup\$ – AndrejaKo Jun 3 '12 at 16:27
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None of them; it's on the other side of the circuit board on top.

Ifixit's teardown shows it quite clearly. The orange chip in this picture is the Exynos SoC.

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