Smartwatch Comparison Chart

Price Battery life Display Operating system Voice control Requires smartphone?
Apple Watch apple watch $349+ 18 hours 1.5-inch or 1.6-inch Retina display with Sapphire screen, Force touch WatchOS 2 Siri Yes (iPhone)
LG Watch Urbane img-intro01 $349+  24 hours 1.3-inch, Full Circle P-OLED, 320 x 320 pixels Android Wear Google Now Yes (Android)
 Martian Passport Smartwatch  71dV5SxY-aL._SL1500_ $299 ~5 days 1.5-inch, OLED display, 96 x 16 pixels iOS/ Android Wear N/A No
Moto 360 Moto 360 Product Template - SPEEDO2 $250+  24 hrs+ 1.5-inch LCD, 320x290 pixels Android Wear Google Now No (Optional 3G connection + connects with Google Play store)
Samsung Gear Live Samsung Galaxy Gear $199+  2-3 days 1.63-inch AMOLED, 320x320 pixels Android Wear Google Now No (Optional 3G connection + connects with Google Play store)
Price Battery life Display Operating system Voice control Requires smartphone?
LG G Watch R LG_G_Watch_R_1_verge_super_wide $229+ 36 hours+ 1.6-inch LCD, 320x290 pixels Android Wear Google Now Yes (Android)
Pebble Steel Pebble $199 Up to 7 days 1.26-inch Memory LCD e-paper, 144x168 pixels Pebble OS N/A No
Samsung Gear S Samsung Galaxy Gear $329 36 hours+ 2-inch AMOLED, 360 x 480 pixels Tizen Google Now No (Optional 3G connection + connects with Google Play store)
Sony SmartWatch 3 SWR50 Sony Smartwatch 3 $170+ 2 days 1.6 Transflective display Android Wear Google Now No
Price Battery life Display Operating system Voice control Requires smartphone?