Apple Watch Series 7 Aluminum 45mm Cellular vs Oppo A1k

Apple Watch Series 7 Aluminum 45mm Cellular
Apple Watch Series 7 Aluminum 45mm Cellular
Oppo A1k
Oppo A1k
Apple Watch Series 7 Aluminum 45mm Cellular
Oppo A1k
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 850, 900, 1700(AWS), 1900, 2100
    WCDMA 850, 900, 2100
  • 4G network
    LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
    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
    -
    Yes
  • EDGE
    -
    Yes
  • Availability
  • Oficially announced
    2021-09
    2019-4
  • Status
    2021-10
    2019-5
  • Design
  • Build
    Glass front, ceramic/sapphire crystal back, aluminum frame
    Plastic body
  • SIM
    eSIM
    Dual SIM (Nano-SIM, dual SIM stand-by)
  • Height
    45 mm
    154.5 mm
  • Width
    38 mm
    73.8 mm
  • Thickness
    10.7 mm
    8.4 mm
  • Weight
    38.8 g
    170 g
  • Waterproof
    IP6X (50m)
    -
  • Dust proof
    IP6X
    -
  • Colors
    Blue, Green, Midnight, Red, Starlight
    Black, Red
  • Display
  • Display type
    Retina LTPO OLED
    IPS capacitive touchscreen
  • Physical size
    1.9 inches
    6.1 inches
  • Resolution
    484 x 396 pixels
    720 x 1560 pixels
  • Pixel density
    326 ppi
    282 ppi
  • Display colors
    -
    16777216
  • Protection
    Ion-X strengthened glass
    2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
  • Multitouch
    -
    Yes
  • Display features
    Always-on display, 1000 nits (peak)
    -
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Dual-core
    Quad-core 2 GHz Cortex-A53
  • CPU(second)
    quad-core 1.5 GHz Cortex-A53
  • Chipset
    Apple S7
    Mediatek Helio P22 (MT6762)
  • GPU
    PowerVR
    PowerVR GE8320
  • Internal storage
    32 GB
    32 GB
  • Memory RAM
    -
    2 GB
  • Memory card
    -
    microSD, microSDHC, microSDXC
  • Memory card max
    -
    256 GB
  • OS
  • OS
    watchOS 8.0, upgradable to 8.1
    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
  • 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
  • WLAN WiFi Dual Band
    Yes
    -
  • USB
    No
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v5.0
    v4.2
  • Bluetooth A2DP
    A2DP
    Yes
  • bluetooth LE
    LE
    -
  • NFC
    Yes
    -
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • GALILEO
    Yes
    -
  • Beidou
    -
    Yes
  • BDS
    Yes
    -
  • QZSS
    Yes
    -
  • Features
  • Sensors
    Accelerometer, always-on altimeter, barometer, compass, gyro, heart rate, SpO2, VO2max
    Accelerometer, proximity, light, compass, fingerprint
  • Browser
  • HTML
    No
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    309 mAh
    4000 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Wireless charging
    Yes
    -
  • SAR value
  • SAR(head)
    0.96 W/kg
    -
  • SAR EU(head)
    0.55 W/kg
    -
  • SAR EU(body)
    0.50 W/kg
    -
  • Cost
  • Price
    500 USD
    -
  • 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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