Digma Optima 1024N 4G vs Samsung Galaxy J4 Core
Digma Optima 1024N 4G
Samsung Galaxy J4 Core
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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 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800)
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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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Status2018-42018-11
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Oficially announced2018-42018-11
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Design
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BuildPlasticPlastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height159 mm160.6 mm
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Width250 mm76.1 mm
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Thickness10 mm7.9 mm
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Weight508 g177 g
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ColorsBlackBlack, Blue, Gold
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size10.1 inches6 inches
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Resolution1024 x 600 pixels720 x 1480 pixels
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Pixel density118 ppi274 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 1.4 GHz Cortex-A53
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ChipsetSpreadtrum SC9832Qualcomm MSM8917 Snapdragon 425
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GPUMali-400 MP2Adreno 308
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Memory RAM1 GB1 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max128 GB-
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OS
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OSAndroid 7.0 NougatAndroid 8.1 Oreo Go Edition
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Main camera
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Main camera8 MP, f/2.2
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Primary camera resolution640 x 480 pixels3264 x 2448 pixels
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Primary camera video-1080p@30fps
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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 modeAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera0.31 MP5 MP, f/2.2
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Selfie camera resolution640 x 480 pixels2560 x 1920 pixels
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Selfie camera video480p@30fps MP720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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Radio FMFM radioStereo FM radio, recording
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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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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4000 mAh3300 mAh
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Battery removableNon-removableNon-removable
