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Apple Watch 40mm Series 4 Aluminum No LTE
Compare Apple Watch 40mm Series 4 Aluminum No LTE and Oppo A1k

Apple Watch 40mm Series 4 Aluminum No LTE vs Oppo A1k

Apple Watch 40mm Series 4 Aluminum No LTE
Apple Watch 40mm Series 4 Aluminum No LTE
Oppo A1k
Oppo A1k
Apple Watch 40mm Series 4 Aluminum No LTE
Oppo A1k
  • Network
  • 2G network
    No
    GSM 850, 900, 1800, 1900
  • 3G network
    No
    WCDMA 850, 900, 2100
  • 4G network
    No
    LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
  • LTE speed
    -
    LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
  • GPRS
    No
    Yes
  • EDGE
    No
    Yes
  • Availability
  • Oficially announced
    2018-9
    2019-4
  • Status
    2018-9
    2019-5
  • Design
  • Build
    Aluminum frame; all-ceramic/sapphire crystal back
    Plastic body
  • SIM
    No
    Dual SIM (Nano-SIM, dual SIM stand-by)
  • Height
    40 mm
    154.5 mm
  • Width
    34 mm
    73.8 mm
  • Thickness
    10.7 mm
    8.4 mm
  • Weight
    30 g
    170 g
  • Waterproof
    50m
    -
  • Colors
    Gray, Gold, Silver
    Black, Red
  • Display
  • Display type
    LTPO AMOLED
    IPS capacitive touchscreen
  • Physical size
    1.57 inches
    6.1 inches
  • Resolution
    394 x 324 pixels
    720 x 1560 pixels
  • Pixel density
    326 ppi
    282 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Ion-X strengthened glass
    2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
  • Multitouch
    Yes
    Yes
  • Display features
    3D Touch display, 1000 nits
    -
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Dual-core
    Quad-core 2 GHz Cortex-A53
  • CPU(second)
    quad-core 1.5 GHz Cortex-A53
  • Chipset
    Apple S4
    Mediatek Helio P22 (MT6762)
  • GPU
    PowerVR
    PowerVR GE8320
  • Internal storage
    16 GB
    32 GB
  • Memory RAM
    -
    2 GB
  • Memory card
    -
    microSD, microSDHC, microSDXC
  • Memory card max
    -
    256 GB
  • OS
  • OS
    watchOS 5.0
    ColorOS 6.0 (Android 9.0 Pie)
  • Main camera
  • Camera type
    -
    Single
  • Primary camera
    No
    -
  • Main camera
    8 MP, f/2.2 , 1/3.2" , 1.4 µm
  • Primary camera resolution
    -
    3264 x 2448 pixels
  • Primary camera video
    -
    1080p@30fps
  • Primary camera flash
    -
    LED flash
  • Camera features
    -
    Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection
  • Sound
  • 3.5mm jack
    No
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; Ringtones
    -
  • Earpiece
    -
    Yes
  • Multimedia
  • Radio
    No
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    -
    Yes
  • Wi-Fi display
    -
    Yes
  • USB
    No
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v5.0
    v4.2
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    -
  • NFC
    Yes
    -
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    Yes
    -
  • Beidou
    -
    Yes
  • QZSS
    Yes
    -
  • Features
  • Sensors
    Accelerometer, barometer, gyro (second gen), heart rate
    Accelerometer, proximity, light, compass, fingerprint
  • Browser
  • HTML
    No
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    -
    4000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Standby time
    18 h
    -
  • Selfie camera
  • Selfie camera
    5 MP, f/2 , 1/5" , 1.12 µm
  • Selfie camera resolution
    -
    2560 x 1920 pixels
  • Selfie camera video
    -
    720p@30fps

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