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Alcatel
Alcatel Idol 4s
Compare Alcatel Idol 4s and Celkon A21

Alcatel Idol 4s vs Celkon A21

Alcatel Idol 4s
Alcatel Idol 4s
Celkon A21
Celkon A21
Alcatel Idol 4s
Celkon A21
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 900, 1800
  • 3G network
    HSDPA 850, 900, 1700(AWS), 1900, 2100
    HSDPA 2100
  • 4G network
    LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700); LTE band 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700)
    -
  • HSDPA speed
    42.2 Mbps
    HSDPA
  • HSUPA speed
    5.76 Mbps
    -
  • LTE speed
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
    -
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2016-2
    2014-12
  • Status
    2016-2
    2014-12
  • Design
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (dual stand-by)
  • Height
    153.9 mm
    124.8 mm
  • Width
    75.4 mm
    66.1 mm
  • Thickness
    7 mm
    10.8 mm
  • Weight
    149 g
    115.3 g
  • Colors
    Dark Gray, Gold, Metal Silver, Rose Gold
    Black, Blue, Red
  • Display
  • Display type
    AMOLED capacitive touchscreen
    Capacitive touchscreen
  • Physical size
    5.5 inches
    4.0 inches
  • Resolution
    1440 x 2560 pixels
    320 x 480 pixels
  • Pixel density
    534 ppi
    144 ppi
  • Display colors
    16777216
    -
  • Multitouch
    Yes, max 10 fingers
    -
  • Hardware
  • CPU
    Quad-core 1.8 GHz ARM Cortex-A72
    Dual-core 1.2 GHz
  • CPU(second)
    quad-core 1.4 GHz ARM Cortex-A53
  • Chipset
    Qualcomm MSM8976 Snapdragon 652
    Mediatek MT6582
  • GPU
    Adreno 510
    -
  • Memory ROM
    -
    512 MB
  • Memory RAM
    3 GB
    256 MB
  • Internal storage
    32 GB
    -
  • Memory card
    microSD
    microSD
  • Memory card max
    200 GB
    32 GB
  • OS
  • OS
    Android OS, v6.0.1 (Marshmallow)
    Android OS, v4.2.2 (Jelly Bean)
  • Main camera
  • Main camera
    16 MP, f/2.0
    3.15 MP
  • Primary camera video
    2160p@30fps
    video
  • Primary camera Autofocus
    phase detection autofocus
    -
  • Primary camera flash
    dual-LED (dual tone) flash
    -
  • Camera features
    Geo-tagging, HDR, face detection, panorama, touch focus
    -
  • Selfie camera
  • Flash
    LED flash
    -
  • Selfie camera
    8 MP
    1.3 MP
  • Selfie camera video
    1080p
    -
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes, with stereo speakers
    Yes
  • Notifications
    Vibration; MP3, WAV ringtones
    Vibration, Polyphonic, MP3 ringtones
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
    Wi-Fi
  • WLAN WiFi Hotspot
    Yes
    -
  • WLAN WiFi Direct
    Yes
    -
  • WLAN WiFi Dual Band
    Yes
    -
  • USB
    microUSB 2.0
    Yes
  • USB host
    Yes
    -
  • Bluetooth
    v4.2
    v4.0
  • Bluetooth A2DP
    Yes
    -
  • bluetooth LE
    Yes
    -
  • GPS
    Yes, with A-GPS
    No
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    -
  • Messaging Push Email
    Push Email
    -
  • Java
    No
    Yes, via Java MIDP emulator
  • Sensors
    Accelerometer, compass, gyro, proximity
    -
  • Browser
  • HTML
    HTML5
    Yes
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    3000 mAh
    1500 mAh
  • Battery removable
    Non-removable
    -
  • Talk time
    -
    -
  • Talk time 3G
    -
    8 h
  • Standby time
    -
    -
  • Standby time 3G
    -
    120 h

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