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Nokia Lumia 638
Compare Nokia Lumia 638 and Xiaomi Redmi 4

Nokia Lumia 638 vs Xiaomi Redmi 4

Nokia Lumia 638
Nokia Lumia 638
Xiaomi Redmi 4
Xiaomi Redmi 4
Nokia Lumia 638
Xiaomi Redmi 4
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800, 1900
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
  • 4G network
    -
    LTE frequency band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
  • HSDPA speed
    42.2 Mbps
    -
  • HSUPA speed
    5.76 Mbps
    -
  • HSPA speed
    -
    HSPA
  • LTE speed
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
    LTE
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2016-11
  • Status
    2014-12
    2016-11
  • Design
  • SIM
    Micro-SIM
    Dual SIM
  • Height
    129.5 mm
    141.3 mm
  • Width
    66.7 mm
    69.6 mm
  • Thickness
    9.2 mm
    8.9 mm
  • Weight
    136 g
    156 g
  • Colors
    Black
    Dark Gray, Gold, Silver
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    IPS LCD capacitive touchscreen
  • Physical size
    4.5 inches
    5.0 inches
  • Resolution
    480 x 854 pixels
    720 x 1280 pixels
  • Pixel density
    218 ppi
    296 ppi
  • Display colors
    16777216
    16777216
  • Multitouch
    -
    Yes
  • Hardware
  • CPU
    Quad-core 1.2 GHz ARM Cortex-A7
    Octa-core 1.4 GHz ARM Cortex-A53
  • Chipset
    Qualcomm Snapdragon 400
    Qualcomm MSM8937 Snapdragon 430
  • GPU
    Adreno 305
    Adreno 505
  • Memory RAM
    1 GB
    2 GB
  • Internal storage
    8 GB
    16 GB
  • Memory card
    microSD
    microSD(uses second SIM slot)
  • Memory card max
    128 GB
    256 GB
  • OS
  • OS
    Microsoft Windows Phone 8.1
    Android OS, v6.0.1 (Marshmallow)
  • Main camera
  • Main camera
    5 MP
    13 MP, f/2.2
  • Primary camera resolution
    2592 x 1944 pixels
    -
  • Primary camera video
    video
    1080p@30fps
  • Primary camera Autofocus
    autofocus
    phase detection autofocus
  • Primary camera flash
    -
    LED flash
  • Camera features
    1/4'' sensor size, geo-tagging, panorama
    Geo-tagging, HDR, face/smile detection, panorama, touch focus
  • Selfie camera
  • Secondary camera
    No
    -
  • Selfie camera
    5 MP, f/2.2
  • Selfie camera video
    -
    1080p
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; MP3, WAV ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN DLNA
    Yes
    -
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v4.0
    v4.1
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Infrared
    -
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    Yes
  • BDS
    -
    Yes
  • 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
    -
  • Messaging Push Mail
    -
    Push Mail
  • Java
    No
    No
  • Sensors
    Accelerometer
    Fingerprint, accelerometer, compass, gyro, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    1830 mAh
    4100 mAh
  • Battery removable
    -
    Non-removable
  • Fast battery charging
    -
    Yes
  • Talk time
    -
    -
  • Standby time
    -
    -

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