Digma Linx A450 3G vs Microsoft Lumia 550
Digma Linx A450 3G
Microsoft Lumia 550
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 900, 2100
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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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 announced20172015-10
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Status20172015-12
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Nano-SIM
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Height133 mm136.1 mm
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Width67.5 mm67.8 mm
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Thickness11 mm9.9 mm
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Weight135 g141.9 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeTFTCapacitive touchscreen
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Physical size4.5 inches4.7 inches
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Resolution540 x 960 pixels720 x 1280 pixels
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Pixel density245 ppi315 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.1 GHz ARM Cortex-A7
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ChipsetSpreadtrum SC7731CQualcomm MSM8909 Snapdragon 210
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GPUMali-400 MP2Adreno 304
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Memory RAM512 MB1 GB
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Internal storage4 GB8 GB
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Memory cardmicroSD, microSDHCmicroSD
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Memory card max32 GB200 GB
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OS
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OSAndroid 6.0 MarshmallowMicrosoft Windows 10
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 х 1944 pixels
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Primary camera video480p@30fps720p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLEDLED flash
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode1/4'' sensor size, geo-tagging, touch focus
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Selfie camera
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Selfie camera0.3 MP2 MP
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Selfie camera video480p@30fps MP480p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; 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 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, 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 SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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Java-No
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SensorsAccelerometr, light, proximityAccelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh2100 mAh
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Battery removableRemovable-
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Talk time 2G8 h16 h
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Talk time 3G8 h14 h
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Standby time 2G150 h672 h
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Standby time 3G150 h672 h
