Digma Linx A453 3G vs Samsung Galaxy M21
Digma Linx A453 3G
Samsung Galaxy M21
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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, 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 announced2018-022020-03
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Status2018-022020-03
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height133.5 mm159 mm
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Width67 mm75.1 mm
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Thickness11 mm8.9 mm
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Weight129 g188 g
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ColorsBlack, Gold, GrayBlack, Blue
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Display
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Display typeIPSSuper AMOLED capacitive touchscreen
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Physical size4.5 inches6.4 inches
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Resolution480 x 854 pixels1080 x 2340 pixels
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Pixel density218 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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ChipsetSpreadtrum SC7731CExynos 9611
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GPUMali-400 MP1Mali-G72 MP3
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Memory RAM1 GB4, 6 GB
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Internal storage8 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB512 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 camera5 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 resolution2592 x 1944 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, white balance settings, ISO settings, exposure compensation, self-timer, 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 camera2 MP20 MP, f/2.0 , 26 mm
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Selfie camera resolution1600 x 1200 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 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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Bluetoothv2.1v5.0
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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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SensorsAccelerometer, light, proximityAccelerometer, 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-IonLi-Po
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Battery capacity1800 mAh6000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Yes
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Cost
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Price-180 USD
