One and H2O are waterproof.
One is 7.8", H2O is 6.8", HD is 6"
One and HD are 300 DPI, H2O is 265DPI
One and HD have no external SD card, vs H2O does
HD and H2O are claimed 2 month battery, the One has 1 month
HD and H2O have 4GB memory, One has 8GB
One will have Overdrive, HD and H2O may or may not get it added.
Really, size/price are the big differences for most readers. Firmware is pretty much identical so the software part of the interface/display will be the same.
Last edited by robko; 08-20-2016 at 08:05 PM.
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