Digma Citi ATL 4G vs Microsoft Lumia 640 XL LTE Dual SIM
Digma Citi ATL 4G
Microsoft Lumia 640 XL LTE Dual SIM
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900, 2100HSDPA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)-
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, 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 announced20172015-3
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Status20172015-3
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Design
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SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height143.5 mm157.9 mm
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Width72.5 mm81.5 mm
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Thickness10 mm9 mm
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Weight168 g171 g
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ColorsBlack, WhiteBlack, Glossy white, Matte cyan, Matte white, Orange
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5 inches5.7 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density294 ppi259 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen-
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MultitouchYes-
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Hardware
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CPUQuad-core 1.25 GHz ARM Cortex-A53Quad-core 1.2 GHz ARM Cortex-A7
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ChipsetMediatek MT6737Qualcomm Snapdragon 400
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GPUMali-T720 MP2Adreno 305
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid 7.0 NougatMicrosoft Windows Phone 8.1 with Lumia Denim
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Main camera
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Main camera13 MP13 MP
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Primary camera resolution4160 x 3120 pixels4128 x 3096 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera optics-Carl Zeiss optics
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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 mode1/3'' sensor size
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Selfie camera
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Selfie camera5 MP5 MP
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Selfie camera video480p@30fps MP1080p
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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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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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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, compass, 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 capacity3800 mAh3000 mAh
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Battery removableNon-removable-
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Talk time 2G-31 h 20 min
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Talk time 3G-23 h 40 min
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Standby time 2G-936 h
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Standby time 3G-936 h
