Digma Optima 1025N 4G vs Samsung Galaxy Tab J
Digma Optima 1025N 4G
Samsung Galaxy Tab J
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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, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE
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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 announced2018-42016-7
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Status2018-42016-8
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Design
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BuildPlastic-
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SIMDual SIM (Micro-SIM)Yes
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Height172 mm186.9 mm
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Width244 mm108.8 mm
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Thickness9.2 mm8.7 mm
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Weight520 g289 g
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ColorsBlack, WhiteGold, White
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Display
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Display typeIPSPLS capacitive touchscreen
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Physical size10.1 inches7.0 inches
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Resolution1280 x 800 pixels800 x 1280 pixels
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Pixel density149 ppi216 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.0 GHz ARM Cortex-A53Quad-core 1.5 GHz ARM Cortex-A7
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ChipsetMediaTek MT8735VSpreadtrum SC8830
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GPUMali-T720 MP2Mali-400MP2
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Memory RAM2 GB1.5 GB
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Internal storage16 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max64 GB256 GB
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OS
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OSAndroid 7.0 NougatAndroid OS, v5.1 (Lollipop)
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Main camera
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Main camera2 MP8 MP, f/1.9
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps1080p@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, digital zoom, geotagging, panorama, HDR, touch focus, face detection, scene modeGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera0.31 MP2 MP, f/2.2
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps MP-
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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 with RDS
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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 Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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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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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 Mail-Push Mail
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Java-No
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SensorsAccelerometerAccelerometer
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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 capacity5000 mAh4000 mAh
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Battery removableNon-removableNon-removable
