Apple Watch Series 2 Sport 42mm vs NIU GO 21
Apple Watch Series 2 Sport 42mm
NIU GO 21
-
Network
-
2G networkN/AGSM 850, 900, 1800, 1900
-
GPRSNoYes
-
EDGENo
-
Availability
-
Oficially announced2016-92014-5
-
Status-2014-6
-
Design
-
BuildAluminum/Ceramic back-
-
SIMNoDual SIM (Mini-SIM)
-
Height42.5 mm105 mm
-
Width36.4 mm44.9 mm
-
Thickness11.4 mm14.2 mm
-
Weight34.2 g66 g
-
Waterproof50m-
-
ColorsCase colors: silver, gold, rose gold, gray; Band colors: gray, white, blue, brown, orange, black; Band types: sport, woven nylonBlack, Blue, Gray, Green, Orange, Red
-
Display
-
Display typeAMOLED capacitive touchscreenTFT
-
Physical size1.65 inches1.8 inches
-
Resolution390 x 312 pixels128 x 160 pixels
-
Pixel density303 ppi114 ppi
-
Display colors1677721666560
-
ProtectionIon-X strengthened glass-
-
MultitouchYes-
-
Hardware
-
CPUDual-core
-
ChipsetApple S2-
-
Internal storage-64 Mbit
-
Memory cardNomicroSD
-
Memory card max-32 GB
-
OS
-
OSwatchOS 3.0-
-
Sound
-
3.5mm jackNoYes
-
LoudspeakerYesYes
-
NotificationsVibration; RingtonesVibration, MP3 ringtones
-
Multimedia
-
RadioNo-
-
Radio FM-Stereo FM radio
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11n
-
USBmicroUSB 2.0
-
Bluetoothv4.0v2.1
-
Bluetooth A2DPYes-
-
Bluetooth EDR-Yes
-
NFCYes-
-
GPSYesNo
-
Features
-
Messaging SMSSMS(threaded view)SMS
-
Messaging MMS-MMS
-
Messaging EmailEmail-
-
Messaging IMIMIM
-
Messaging Push MailPush Mail-
-
WAP-Yes
-
JavaNoNo
-
SensorsAccelerometer, gyro, heart rate-
-
Browser
-
BrowserNo-
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity-650 mAh
-
Battery removableNon-removable-
-
Talk time-6 h
-
Standby time-200 h
-
Main camera
-
Primary camera resolution-640 x 480 pixels
-
Primary camera video-no
-
Selfie camera
-
Secondary camera-No