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I'm not sure why he says the effective resolution is 1280x800. The resolution is 2560x1600. I just sold my 13" Air and bought a 13" rMBP; very happy with it so

by it 14y ago

I'm not sure why he says the effective resolution is 1280x800. The resolution is 2560x1600. I just sold my 13" Air and bought a 13" rMBP; very happy with it so far.

MikeKusold 14y ago
It's because the rMBP uses 2 pixels to display 1px which is why fonts and graphics appear sharper.
- hrabago 14y ago
  Actually it should be 4 pixels to display 1 "point".