Digma Optima 1022N 3G vs Samsung Galaxy A31
Digma Optima 1022N 3G
Samsung Galaxy A31
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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), 5(850), 7(2600), 8(900), 25(1900)
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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, Cat10, 452 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 announced2018-42020-03
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Status2018-42020-04
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Design
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BuildPlasticPlastic
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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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Height172 mm159.3 mm
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Width244 mm73.1 mm
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Thickness9.2 mm8.6 mm
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Weight520 g185 g
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ColorsBlackBlack, Blue, Red, White
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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 2400 pixels
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Pixel density149 ppi411 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz ARM Cortex-A7Dual-core 2.2 GHz Cortex-A75
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CPU(second)Hexa-core 1.7 GHz Cortex-A55
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ChipsetMediatek MT8321-
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GPUMali-400 MP2-
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Internal storage16 GB64, 128 GB
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Memory RAM1 GB4, 6 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-eMMC 5.1
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OS
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OSAndroid 7.0 NougatAndroid 10.0; One UI 2.0
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Main camera
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Camera type-Quad
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Main camera2 MP48 MP, f/2.0 , 1/2.0" , 0.8 µm
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8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
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5 MP, f/2.4
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5 MP, f/2.4
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Primary camera resolution1600 x 1200 pixels8000 x 6000 pixels
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Primary camera video720p@30fps1080p@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 MP20 MP, f/2.2
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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 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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-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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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, 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 mAh5000 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-200 USD
