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Apple Watch 42mm (1st gen)
Compare Apple Watch 42mm (1st gen) and Celkon A20

Apple Watch 42mm (1st gen) vs Celkon A20

Apple Watch 42mm (1st gen)
Apple Watch 42mm (1st gen)
Celkon A20
Celkon A20
Apple Watch 42mm (1st gen)
Celkon A20
  • Network
  • 2G network
    N/A
    GSM 900, 1800
  • 3G network
    -
    HSDPA 2100
  • Speed Yes
    -
    Yes, 384 kbps
  • GPRS
    No
    Yes
  • EDGE
    No
    Yes
  • Availability
  • Oficially announced
    2014-9
    2013-8
  • Status
    2015-4
    2013-8
  • Design
  • Build
    Stainless Steel/Ceramic back
    -
  • SIM
    No
    Dual SIM (Mini-SIM)
  • Height
    42 mm
  • Width
    35.9 mm
  • Thickness
    10.5 mm
  • Weight
    50 g
  • Waterproof
    IPX7 certified, 1 m and 30 minutes
    -
  • Colors
    Black Link Bracelet, Blue/Stone/White/Storm Gray Leather Loop, Brown/Black/Blue/Marine Blue Buckle, Link Bracelet, Pearl Woven Nylon, Silver/Space Black Milanese Loop, Space Black Stainless Steel/Black, Stainless Steel/Red, White
    Black
  • Display
  • Display type
    AMOLED capacitive touchscreen
    TFT capacitive touchscreen
  • Physical size
    1.65 inches
    4.0 inches
  • Resolution
    390 x 312 pixels
    480 x 800 pixels
  • Pixel density
    303 ppi
    233 ppi
  • Display colors
    16777216
    -
  • Protection
    Sapphire crystal glass
    -
  • Multitouch
    Yes
    -
  • Display features
    3D Touch display, 450 nits
    -
  • Hardware
  • CPU
    520 MHz ARM Cortex-A7
    1.2 GHz Dual-core
  • Chipset
    Apple S1
    -
  • GPU
    PowerVR SGX543
    -
  • Memory ROM
    -
    256 MB
  • Memory RAM
    512 MB
    512 MB
  • Internal storage
    8 GB
    -
  • Memory card
    microSD
  • Memory card max
    -
    32 GB
  • OS
  • OS
    watchOS 1.0
    Android OS, v4.2.0 (Jelly Bean)
  • Sound
  • 3.5mm jack
    No
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; Ringtones
    Vibration, Polyphonic, MP3 ringtones
  • Multimedia
  • Radio
    No
    -
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • USB
    microUSB 2.0
  • Bluetooth
    v4.0
    Yes
  • bluetooth LE
    Yes
    -
  • NFC
    Yes
    -
  • GPS
    No
    No
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    -
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    IM
  • Messaging Push Email
    -
    Push Email
  • Messaging Push Mail
    Push Mail
    -
  • Java
    No
    Yes, via Java MIDP emulator
  • Sensors
    Accelerometer, gyro, heart rate
    -
  • Browser
  • HTML
    -
    Yes
  • Browser
    No
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    250 mAh
    1500 mAh
  • Battery removable
    Non-removable
    -
  • Talk time
    -
    -
  • Standby time
    18 h
    -
  • Main camera
  • Main camera
    3.15 MP
  • Primary camera resolution
    -
    2048 x 1536 pixels
  • Primary camera video
    -
    video
  • Selfie camera
  • Secondary camera
    -
    VGA camera

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