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Celkon
Celkon A21
Compare Celkon A21 and OnePlus One

Celkon A21 vs OnePlus One

Celkon A21
Celkon A21
OnePlus One
OnePlus One
Celkon A21
OnePlus One
  • Network
  • 2G network
    GSM 900, 1800
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 2100
    HSDPA 850, 900, 1700, 1900, 2100
  • 4G network
    -
    LTE 700, 1700, 1800, 2100, 2300, 2600
  • HSDPA speed
    HSDPA
    HSDPA, 42 Mbps
  • HSUPA speed
    -
    HSUPA, 5.8 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2014-4
  • Status
    2014-12
    2014-6
  • Design
  • SIM
    Dual SIM (dual stand-by)
    Micro-SIM
  • Height
    124.8 mm
    152.9 mm
  • Width
    66.1 mm
    75.9 mm
  • Thickness
    10.8 mm
    8.9 mm
  • Weight
    115.3 g
    162 g
  • Colors
    Black, Blue, Red
    Sandstone Black, Silk White
  • Display
  • Display type
    Capacitive touchscreen
    LTPS LCD capacitive touchscreen
  • Physical size
    4.0 inches
    5.5 inches
  • Resolution
    320 x 480 pixels
    1080 x 1920 pixels
  • Pixel density
    144 ppi
    401 ppi
  • Display colors
    -
    16777216
  • Hardware
  • CPU
    Dual-core 1.2 GHz
    Quad-core 2.5 GHz Krait 400
  • Chipset
    Mediatek MT6582
    Qualcomm MSM8974AC Snapdragon 801
  • GPU
    -
    Adreno 330
  • Memory ROM
    512 MB
    -
  • Memory RAM
    256 MB
    3 GB
  • Internal storage
    -
    16, 64 GB
  • Memory card
    microSD
  • Memory card max
    32 GB
    -
  • OS
  • OS
    Android OS, v4.2.2 (Jelly Bean)
    Android OS, v4.4.2 (KitKat)
  • Main camera
  • Camera type
    -
    Photo / Video
  • Main camera
    3.15 MP
    13 MP
  • Primary camera resolution
    -
    4128 x 3096 pixels
  • Primary camera video
    video
    2160p@30fps, 2160p@24fps, 1080p@60fps, 720p@120fps
  • Primary camera Autofocus
    -
    autofocus
  • Primary camera flash
    -
    LED flash
  • Primary camera video hdr
    -
    HDR
  • Primary camera video stereo sound record
    -
    stereo sound record
  • Selfie camera
  • Selfie camera
    1.3 MP
    5 MP
  • Selfie camera video
    -
    1080p@30fps
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes, dual mono speakers
  • Notifications
    Vibration, Polyphonic, MP3 ringtones
    Vibration; MP3 ringtones
  • Multimedia
  • Radio
    -
    No
  • Radio FM
    FM radio
    -
  • Connectivity
  • WLAN
    Wi-Fi
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Upnp
    -
    Yes
  • USB
    Yes
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • USB host
    -
    Yes
  • Bluetooth
    v4.0
    v4.1
  • Bluetooth A2DP
    -
    Yes
  • GPS
    No
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • 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
    Yes, via Java MIDP emulator
    Yes, via Java MIDP emulator
  • Browser
  • HTML
    Yes
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    1500 mAh
    3100 mAh
  • Battery removable
    -
    Non-removable
  • Talk time
    -
    -
  • Talk time 3G
    8 h
    -
  • Standby time
    -
    -
  • Standby time 3G
    120 h
    -

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