Digma Optima 1022N 3G vs Samsung Galaxy M21
Digma Optima 1022N 3G
Samsung Galaxy M21
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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 900, 2100HSDPA 850, 900, 1900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(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 speed-LTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42020-03
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Status2018-42020-03
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height172 mm159 mm
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Width244 mm75.1 mm
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Thickness9.2 mm8.9 mm
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Weight520 g188 g
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ColorsBlackBlack, Blue
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Display
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Display typeIPSSuper AMOLED capacitive touchscreen
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Physical size10.1 inches6.4 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density149 ppi403 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYesYes
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Display features-420 nits max brightness
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A7Quad-core 2.3 GHz Cortex-A73
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CPU(second)quad-core 1.7 GHz Cortex-A53
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ChipsetMediatek MT8321Exynos 9611
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GPUMali-400 MP2Mali-G72 MP3
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Memory RAM1 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 max-512 GB
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Storage-UFS 2.1
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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-Triple
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Main camera2 MP48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm
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8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm
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5 MP, f/2.2
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Primary camera resolution1600 x 1200 pixels8000 x 6000 pixels
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Primary camera video720p@30fps2160p@30fps, 1080p@30fps, gyro-EIS
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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, phase detection autofocus
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Selfie camera
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Selfie camera0.31 MP20 MP, f/2.0 , 26 mm
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Selfie camera resolution640 x 480 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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Earpiece-Yes
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Multimedia
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Radio-FM radio with RDS
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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 2.0Type-C 1.0 reversible connector
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Bluetoothv4.0v5.0
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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, compass, fingerprint, gyroscope, proximity
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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 capacity5000 mAh6000 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-180 USD
