BLU Neo X LTE vs Spice Stellar 439 (Mi-439)
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BLU Neo X LTE
Spice Stellar 439 (Mi-439)
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 1700(AWS), 1900, 2100HSDPA 2100
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4G networkLTE frequency band 2(1900), 4(1700/2100), 7(2600), 12(700), 17(700)-
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HSDPA speed21.1 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, 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 announced2016-82014-8
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Status2016-82014-8
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height133.8 mm125 mm
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Width65.8 mm63 mm
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Thickness10.8 mm10 mm
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Weight122 g113.8 g
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ColorsBlackBrown, Silver
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Display
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Display typeLCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.0 inches4.0 inches
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Resolution480 x 854 pixels480 x 800 pixels
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Pixel density196 ppi233 ppi
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Display colors16777216262144
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MultitouchYes-
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Hardware
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CPUQuad-core 1.0 GHz ARM Cortex-A53Dual-core 1 GHz
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ChipsetMediatek MT6735Mediatek MT6572M
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GPUMali-T720Mali-400
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Memory RAM1 GB512 MB
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Internal storage8 GB4 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera video720@30fps720p@25fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresGeo-tagging, face detection, touch focusGeo-tagging, smile detection
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Selfie camera
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Selfie camera2 MP1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, dual speakers
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v3.0
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSYes, with A-GPS
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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 IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximityAccelerometer
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2500 mAh1400 mAh
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Battery removableRemovable-
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Talk time-5 h 30 min
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Talk time 2G28 h-
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Talk time 3G16 h-
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Standby time-58 h
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Standby time 2G700 h-
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Standby time 3G600 h-
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