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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