Digma Optima 7018N 4G vs Samsung Galaxy A2 Core
Digma Optima 7018N 4G
Samsung Galaxy A2 Core
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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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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 38(2600), 40(2300), 41(2500)
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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 announced2018-42019-4
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Status2018-42019-4
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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 (Micro-SIM, dual stand-by)
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Height109 mm141.7 mm
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Width190 mm71 mm
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Thickness9.2 mm9.1 mm
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Weight270 g142 g
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ColorsBlackBlack, Blue
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Display
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Display typeIPSIPS LCD capacitive touchscreen
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Physical size7 inches5 inches
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Resolution1024 x 600 pixels540 x 960 pixels
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Pixel density170 ppi220 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.0 GHz Cortex-A53Dual-core 1.6 GHz Cortex-A73
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CPU(second)Hexa-core 1.35 GHz Cortex-A53
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ChipsetMediaTek MT8735VExynos 7870 Octa
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GPUMali-T720 MP2Mali-T830 MP1
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Internal storage16 GB8 GB
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Memory RAM2 GB1 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 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 camera2 MP8 MP, f/2.2 , 1.12 µm
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Primary camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flash-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, scene modeAutofocus, continuous shooting, digital zoom, digital image stabilization, 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-FM Radio
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Radio FMFM 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 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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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, 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 capacity2500 mAh2600 mAh
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Battery removableNon-removableNon-removable