Some comparisons to current 6" displays (somebody else can crunch the numbers on the 8"
):
Resolution is 231 ppi to the old 167 ppi or 138% -- 38% increase
Height is 6.93" to the old 4.875" or 142% -- 42% increase
Width is 4.93" to the old 3.625" or 136% -- 36% increase
Looking at it in landscape would make a Letter sized PDF 6.93" wide, or 82% of its "intended" width, and 4.93" high, or 45% of its "intended" height. Not bad at all: crop the margins and you're golden.