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Sony Xperia Z4
Apple iPad Air 2
Samsung Galaxy Tab S 10.5
Apple iPad Air
Samsung Galaxy Tab Pro 10.1
Sony Xperia Z4
Apple iPad Air 2
Samsung Galaxy Tab S 10.5
Apple iPad Air Wi-Fi 16GB - Space Gray
Samsung Galaxy Tab Pro 10.1
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Release Date
May 2015
Oct 2014
Jul 2014
Oct 2013
Jul 2014
Screen Size(Diagonal)
10.1 inch
9.7 inch
10.5 inch
9.7 inch
10.1 inch
Digital Camera
8.1 MP, 3264 x 2448 pixels, autofocus
8 MP, 3264 x 2448 pixels, autofocus
8 MP, 3264 x 2448 pixels, autofocus, LED flash
5 MP, 2592 x 1944 pixels, autofocus
8 MP, 3264 x 2448 pixels, autofocus, LED flash
Display
IPS LCD capacitive touchscreen, 16M colors
LED-backlit IPS LCD, capacitive touchscreen, 16M colors
Super AMOLED capacitive touchscreen, 16M colors
LED-backlit IPS LCD, capacitive touchscreen, 16M colors
Super clear LCD capacitive touchscreen, 16M colors,Super clear LCD capacitive touchscreen, 16M colors
Display Size
2560 x 1600, 2560 x 1600
1536 x 2048
2560 x 1600
1536 x 2048
2560 x 1600, 2560 x 1600
Operating System
Android OS, v5.0 (Lollipop)
iOS 8.1, upgradable to iOS 8.1.2, upgradable to iOS 8.4
Android OS, v4.4.2 (KitKat), upgradable to v5.0.2 (Lollipop)
iOS 7.0.4, iOS 7, upgradable to iOS 7.1.2, upgradable to iOS 8.1, upgradable to iOS 8.4
Android OS, v4.4 (KitKat)
Weight
0.86 lb.
0.96 lb.
1.02 lb.
1.03 lb.
1.04 lb.
Front Webcam Resolution
5.1 MP
1.2 MP
2.1 MP
1.2 MP
2.0 MP
Average Rating
 4.3 stars
 4.6 stars
 4.2 stars
 4.6 stars
 4.3 stars
Display
85% Positive
15% Negative
100% Positive
100% Positive
100% Positive
100% Positive
Look and Feel
94% Positive
6% Negative
100% Positive
100% Positive
100% Positive
60% Positive
40% Negative
Performance
100% Positive
100% Positive
100% Positive
83% Positive
17% Negative
Battery
80% Positive
20% Negative
33% Positive
67% Negative
100% Positive
100% Positive
100% Positive
Camera
75% Positive
25% Negative
83% Positive
17% Negative
100% Positive
100% Positive