Apple Watch Sport 38mm (1st gen) vs Asus Zenfone 4 Pro ZS551KL

Apple Watch Sport 38mm (1st gen)
Apple Watch Sport 38mm (1st gen)
Asus Zenfone 4 Pro ZS551KL
Asus Zenfone 4 Pro ZS551KL
Apple Watch Sport 38mm (1st gen)
Asus Zenfone 4 Pro ZS551KL
  • Network
  • 2G network
    N/A
    GSM 850, 900, 1800, 1900
  • 3G network
    -
    HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - India
  • HSDPA speed
    -
    42.2 Mbps
  • HSUPA speed
    -
    5.76 Mbps
  • LTE-A speed
    -
    LTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload
  • GPRS
    No
    Yes
  • EDGE
    No
    Yes
  • Availability
  • Oficially announced
    2014-9
    2017-8
  • Status
    2015-4
    2017-10
  • Design
  • Build
    Aluminum/Composite back
    -
  • SIM
    No
    Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Height
    38.6 mm
    156.9 mm
  • Width
    33.3 mm
    75.6 mm
  • Thickness
    10.5 mm
    7.6 mm
  • Weight
    25 g
    175 g
  • Waterproof
    IPX7 certified, 1 m and 30 minutes
    -
  • Colors
    Apricot, Blue, Blue; Gray/Black; Rose Gold/Lavender, Orange, Pink/Royal Blue/Gold&Red/Black Woven Nylon, Royal Blue, Silver/White, Stone; Gold/White, Yellow
    Moonlight white, Pure Black
  • Display
  • Display type
    AMOLED capacitive touchscreen
    AMOLED capacitive touchscreen
  • Physical size
    1.5 inches
    5.5 inches
  • Resolution
    340 x 272 pixels
    1080 x 1920 pixels
  • Pixel density
    290 ppi
    401 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Ion-X strengthened glass
    Corning Gorilla Glass 5
  • Multitouch
    Yes
    Yes, max 10 fingers
  • Display features
    3D Touch display, 450 nits
    -
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    520 MHz ARM Cortex-A7
    2.45 GHz Kryo Quad-core
  • CPU(second)
    quad-core 1.9 GHz Kryo
  • Chipset
    Apple S1
    Qualcomm MSM8998 Snapdragon 835
  • GPU
    PowerVR SGX543
    Adreno 540
  • Memory RAM
    512 MB
    6 GB
  • Internal storage
    8 GB
    64, 128 GB
  • Memory card
    microSD(uses second SIM slot)
  • Memory card max
    -
    256 GB
  • OS
  • OS
    watchOS 1.0
    Android 7.1.1 (Nougat)
  • Sound
  • 3.5mm jack
    No
    Yes
  • Loudspeaker
    Yes
    Yes, dual speakers
  • Notifications
    Vibration; Ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio
    No
    -
  • Radio FM
    -
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    Type-C reversible connector
  • Bluetooth
    v4.0
    v5.0
  • Bluetooth A2DP
    -
    Yes
  • bluetooth LE
    Yes
    Yes
  • Bluetooth EDR
    -
    Yes
  • Bluetooth AptX
    -
    Yes
  • Infrared
    -
    Yes
  • NFC
    Yes
    Yes
  • GPS
    No
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • GALILEO
    -
    Yes
  • BDS
    -
    Yes
  • 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
    No
  • Sensors
    Accelerometer, gyro, heart rate
    Fingerprint (front-mounted), accelerometer, color spectrum, compass, gyro, proximity
  • Browser
  • HTML
    -
    HTML5
  • Browser
    No
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    205 mAh
    3600 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    -
    50% in 32 min
  • Talk time 3G
    -
    27 h 30 min
  • Standby time
    18 h
    -
  • Main camera
  • Camera type
    -
    Dual
  • Main camera
    12 MP, f/1.7 , 25 mm, 2x optical zoom
  • 16 MP, 50 mm
  • Primary camera video
    -
    2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
  • Primary camera Autofocus
    -
    laser/phase detection autofocus
  • Primary camera flash
    -
    LED flash
  • Primary camera optical image stabilization
    -
    4-axis optical image stabilization
  • Camera features
    -
    25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panorama
  • Selfie camera
  • Selfie camera
    8 MP, f/1.9 , 22 mm, 1.4 µm
  • Selfie camera video
    -
    1080p

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