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Microsoft Lumia 640 LTE
Compare Microsoft Lumia 640 LTE and ZTE Grand Memo V9815

Microsoft Lumia 640 LTE vs ZTE Grand Memo V9815

Microsoft Lumia 640 LTE
Microsoft Lumia 640 LTE
ZTE Grand Memo V9815
ZTE Grand Memo V9815
Microsoft Lumia 640 LTE
ZTE Grand Memo V9815
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 850, 900, 2100
    HSDPA 900, 2100
  • 4G network
    -
    LTE 800, 900, 1800, 2600
  • HSDPA speed
    42.2 Mbps
    HSDPA
  • HSUPA speed
    5.76 Mbps
    HSUPA
  • LTE speed
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
    LTE, Cat3, 100 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2015-3
    2013-2
  • Status
    2015-4
    2013-3
  • Design
  • SIM
    Micro-SIM
    Yes
  • Height
    141.3 mm
    159.9 mm
  • Width
    72.2 mm
    82.6 mm
  • Thickness
    8.8 mm
    8.5 mm
  • Weight
    145 g
    189 g
  • Colors
    Glossy cyan, Matte black, Orange, White
    Black
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    TFT capacitive touchscreen
  • Physical size
    5.0 inches
    5.7 inches
  • Resolution
    720 x 1280 pixels
    720 x 1280 pixels
  • Pixel density
    294 ppi
    258 ppi
  • Display colors
    16777216
    16777216
  • Hardware
  • CPU
    Quad-core 1.2 GHz ARM Cortex-A7
    Quad-core 1.7 GHz Krait 400
  • Chipset
    Qualcomm Snapdragon 400
    Qualcomm MSM8974 Snapdragon 800
  • GPU
    Adreno 305
    Adreno 330
  • Memory RAM
    1 GB
    2 GB
  • Internal storage
    8 GB
    16 GB
  • Memory card
    microSD
    microSD
  • Memory card max
    128 GB
    32 GB
  • OS
  • OS
    Microsoft Windows Phone 8.1 with Lumia Denim
    Android OS, v4.1.2 (Jelly Bean)
  • Main camera
  • Main camera
    8 MP
    13 MP
  • Primary camera resolution
    3264 x 2448 pixels
    4128 x 3096 pixels
  • Primary camera video
    1080p@30fps
    1080p@30fps
  • Primary camera Autofocus
    autofocus
    autofocus
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    1/4'' sensor size
    -
  • Selfie camera
  • Selfie camera
    1 MP
    1 MP
  • Selfie camera video
    720p
    -
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; MP3, WAV ringtones
    Vibration; MP3 ringtones
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • WLAN DLNA
    Yes
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v4.0
    v4.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    -
    Yes
  • GPS
    Yes, with A-GPS
    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
    Push Email
  • Java
    No
    Yes, via Java MIDP emulator
  • Sensors
    Accelerometer, compass, proximity
    -
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-ion
  • Battery capacity
    2500 mAh
    3200 mAh
  • Battery removable
    -
    Non-removable
  • Talk time
    -
    -
  • Talk time 2G
    26 h 30 min
    -
  • Talk time 3G
    17 h 30 min
    -
  • Standby time
    -
    -
  • Standby time 2G
    864 h
    -
  • Standby time 3G
    864 h
    -

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