Apple Watch 40mm Series 4 Aluminum vs Yezz C21

Apple Watch 40mm Series 4 Aluminum
Apple Watch 40mm Series 4 Aluminum
Yezz C21
Yezz C21
Apple Watch 40mm Series 4 Aluminum
Yezz C21
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA
    -
  • 4G network
    LTE
    -
  • GPRS
    Yes
    Up to 48 kbps
  • EDGE
    Yes
    No
  • Availability
  • Oficially announced
    2018-9
    2016-7
  • Status
    2018-9
    2016-8
  • Design
  • Build
    Aluminum frame; all-ceramic/sapphire crystal back
    -
  • SIM
    Electronic SIM card (Apple e-SIM)
    Dual SIM (Mini-SIM)
  • Height
    40 mm
    113 mm
  • Width
    34 mm
    48.5 mm
  • Thickness
    10.7 mm
    14.6 mm
  • Weight
    30 g
    70 g
  • Waterproof
    50m
    -
  • Colors
    Gray, Gold, Silver
    Black, Blue, Red, White
  • Display
  • Display type
    LTPO AMOLED
    TFT
  • Physical size
    1.57 inches
    1.8 inches
  • Resolution
    394 x 324 pixels
    128 x 160 pixels
  • Pixel density
    326 ppi
    114 ppi
  • Display colors
    16777216
    262144
  • Protection
    Ion-X strengthened glass
    -
  • Multitouch
    Yes
    -
  • Display features
    3D Touch display, 1000 nits
    -
  • Hardware
  • CPU
    Dual-core
    321 MHz
  • Chipset
    Apple S4
    Spreadtrum SC6531DA
  • GPU
    PowerVR
    -
  • Internal storage
    16 GB
    4 MB
  • Memory RAM
    -
    4 MB
  • Memory card
    -
    microSD
  • Memory card max
    -
    8 GB
  • Phonebook
    -
    Yes
  • Call records
    -
    Yes
  • OS
  • OS
    watchOS 5.0
    -
  • Main camera
  • Primary camera
    No
    VGA
  • Primary camera video
    -
    video
  • Camera features
    -
    No
  • Sound
  • 3.5mm jack
    No
    No
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; Ringtones
    Vibration, Polyphonic, MP3
  • Multimedia
  • Radio
    No
    -
  • Radio FM
    -
    Stereo FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
  • USB
    No
    microUSB 2.0
  • Bluetooth
    v5.0
    v2.1
  • Bluetooth A2DP
    Yes
    -
  • bluetooth LE
    Yes
    -
  • NFC
    Yes
    -
  • GPS
    Yes, with A-GPS
    No
  • GLONASS
    Yes
    -
  • GALILEO
    Yes
    -
  • QZSS
    Yes
    -
  • Features
  • Messaging SMS
    -
    SMS
  • WAP
    -
    Yes
  • Java
    -
    No
  • Sensors
    Accelerometer, barometer, gyro (second gen), heart rate
    -
  • Browser
  • HTML
    No
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    -
    600 mAh
  • Battery removable
    Non-removable
    Removable
  • Talk time
    -
    3 h
  • Standby time
    18 h
    180 h
  • Selfie camera
  • Secondary camera
    -
    No

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