Digma Optima 7018N 4G vs Samsung Galaxy A51
Digma Optima 7018N 4G
Samsung Galaxy A51
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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, 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), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
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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, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-12
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Status2018-42019-12
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Design
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BuildPlasticFront glass, plastic body
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height109 mm158.5 mm
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Width190 mm73.6 mm
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Thickness9.2 mm7.9 mm
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Weight270 g172 g
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ColorsBlackBlack, Blue, Pink, White
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Display
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Display typeIPSSuper AMOLED capacitive touchscreen
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Physical size7 inches6.5 inches
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Resolution1024 x 600 pixels1080 x 2400 pixels
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Pixel density170 ppi405 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass 3
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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-A53Quad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.7 GHz Cortex-A53
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ChipsetMediaTek MT8735VExynos 9611
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GPUMali-T720 MP2Mali-G72 MP3
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Memory RAM2 GB4, 6 GB
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Internal storage16 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB1 TB
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OS
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OSAndroid 7.0 NougatOne UI 2 (Android 10.0)
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Main camera
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Camera type-Quad
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Main camera2 MP48 MP, f/2.0 , 26 mm, 1/2" , 0.8 µm
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12 MP, f/2.2 , 13 mm, 1.12 µm
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5 MP, f/2.4 , 40 mm
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5 MP, f/2.2 , 1/5.0" , 1.12 µm
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Primary camera resolution1600 x 1200 pixels8000 x 6000 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30/60/120fps
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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, phase detection autofocus
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Selfie camera
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Selfie camera0.31 MP32 MP, f/2.2 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution640 x 480 pixels6560 x 4928 pixels
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Selfie camera video480p@30fps MP1080p@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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity2500 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Cost
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Price-315 USD