It’s minor but still important to compare sizes of the devices you maybe considering. Remember that even little differences particularly in weight can have an effect when you’re holding it or carrying it!
10" Tablets Samsung Galaxy 10.1____ : 10.1" x 6.9" x 0.30" x 1.24 lbs Apple iPad 3___________ : 9.5" x 7.3" x 0.37" x 1.45 lbs Apple iPad 2___________ : 9.5" x 7.3" x 0.34" x 1.33 lbs Apple iPad_____________ : 9.56" x 7.47" x 0.50" x 1.50 lbs Lenovo Ideapad K1______ : 10.4" x 7.4" x 0.50" x 1.50 lbs Asus Transformer Prime_ : 10.4" x 7.1" x 0.30" x 1.29 lbs Asus Transformer_______ : 10.7" x 6.9" x 0.51" x 1.49 lbs Motorola Xoom__________ : 9.8" x 6.6" x 0.51" x 1.61 lbs HP Touchpad____________ : 9.45" x 7.48" x 0.54" x 1.65 lbs 7" Tablets Kindle Fire____________ : 7.48" x 4.72" x 0.45" x 0.91 lbs HTC EVO View 4G________ : 7.71" x 4.41" x 0.51" x 0.37 lbs Nook Color_____________ : 8.10" x 5.00" x 0.48" x 0.99 lbs Google Nexus 7_________ : 7.81" x 4.72" x 0.41" x 0.75 lbs Phones Motorola RAZR__________ : 5.15" x 2.71" x 0.28" x 4.4 oz screen size: 4.3" 960x540 pixels Samsung Galaxy S III___ : 5.38" x 2.78" x 0.34" x 4.7 oz screen size: 4.0" 800x480 pixels Apple iPhone 4S________ : 4.50" x 2.31" x 0.37" x 4.9 oz screen size: 3.5" 960x640 pixels Apple iPhone 3GS_______ : 4.50" x 2.40" x 0.48" x 4.8 oz screen size: 3.5" 480x320 pixels