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Celkon
Celkon A87
Compare Celkon A87 and Microsoft Lumia 640 XL LTE Dual SIM

Celkon A87 vs Microsoft Lumia 640 XL LTE Dual SIM

Celkon A87
Celkon A87
Microsoft Lumia 640 XL LTE Dual SIM
Microsoft Lumia 640 XL LTE Dual SIM
Celkon A87
Microsoft Lumia 640 XL LTE Dual SIM
  • Network
  • 2G network
    GSM 900, 1800
    GSM 850, 900, 1800, 1900
  • 3G network
    -
    HSDPA 850, 900, 1700, 1900, 2100
  • HSDPA speed
    -
    42.2 Mbps
  • HSUPA speed
    -
    5.76 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2013-1
    2015-3
  • Status
    2013-1
    2015-3
  • Design
  • SIM
    Dual SIM (Mini-SIM)
    Dual SIM (Micro-SIM, dual stand-by)
  • Height
    157.9 mm
  • Width
    81.5 mm
  • Thickness
    9 mm
  • Weight
    171 g
  • Colors
    Black, White
    Black, Glossy white, Matte cyan, Matte white, Orange
  • Display
  • Display type
    Capacitive touchscreen
    IPS LCD capacitive touchscreen
  • Physical size
    4.0 inches
    5.7 inches
  • Resolution
    480 x 800 pixels
    720 x 1280 pixels
  • Pixel density
    233 ppi
    259 ppi
  • Display colors
    -
    16777216
  • Hardware
  • CPU
    1 GHz
    1.2 GHz Quad-core ARM Cortex-A7
  • Chipset
    Spreadtrum 6820
    Qualcomm Snapdragon 400
  • GPU
    -
    Adreno 305
  • Memory RAM
    512 MB
    1 GB
  • Internal storage
    512 MB
    8 GB
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    128 GB
  • OS
  • OS
    Android OS, v2.3.6 (Gingerbread)
    Microsoft Windows Phone 8.1 with Lumia Denim
  • Main camera
  • Main camera
    5 MP
    13 MP
  • Primary camera resolution
    2592 x 1936 pixels
    4128 x 3096 pixels
  • Primary camera video
    video
    1080p@30fps
  • Primary camera optics
    -
    Carl Zeiss optics
  • Primary camera Autofocus
    autofocus
    autofocus
  • Primary camera flash
    -
    LED flash
  • Camera features
    -
    1/3'' sensor size
  • Selfie camera
  • Secondary camera
    VGA camera
    -
  • Selfie camera
    5 MP
  • Selfie camera video
    -
    1080p
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration, Polyphonic, MP3 ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN DLNA
    -
    Yes
  • USB
    Yes
    microUSB 2.0
  • Bluetooth
    Yes
    v4.0
  • Bluetooth A2DP
    -
    Yes
  • GPS
    No
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • GPS Navigator
    -
    Beidou
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    IM
  • Messaging Push Email
    -
    Push Email
  • Java
    Yes, via Java MIDP emulator
    No
  • Sensors
    -
    Accelerometer, compass, proximity
  • Browser
  • HTML
    -
    HTML5
  • Browser
    Yes
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    1450 mAh
    3000 mAh
  • Talk time
    3 h
    -
  • Talk time 2G
    -
    31 h 20 min
  • Talk time 3G
    -
    23 h 40 min
  • Standby time
    220 h
    -
  • Standby time 2G
    -
    936 h
  • Standby time 3G
    -
    936 h

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