Lava Iris 400s vs Microsoft Lumia 640 LTE
Lava Iris 400s
Microsoft Lumia 640 LTE
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 2100
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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Speed YesYes, 384 kbps-
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-82015-3
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Status2014-82015-4
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Design
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SIMDual SIMMicro-SIM
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Height125 mm141.3 mm
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Width64 mm72.2 mm
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Thickness10.2 mm8.8 mm
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Weight145 g
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ColorsBlack, SilverGlossy cyan, Matte black, Orange, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi294 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.2 GHz ARM Cortex-A7
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Chipset-Qualcomm Snapdragon 400
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GPU-Adreno 305
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Memory RAM512 MB1 GB
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Internal storage4 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Microsoft Windows Phone 8.1 with Lumia Denim
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera featuresFace/smile detection, panorama1/4'' sensor size
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera1 MP
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Selfie camera video-720p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Dual BandYes-
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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v4.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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GLONASS-Yes
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GPS Navigator-Beidou
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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SensorsAccelerometerAccelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh2500 mAh
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Talk time10 h 25 min-
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Talk time 2G-26 h 30 min
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Talk time 3G-17 h 30 min
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Standby time150 h-
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Standby time 2G-864 h
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Standby time 3G-864 h