Samsung Galaxy A40 vs Samsung Galaxy M21s
Samsung Galaxy A40
Samsung Galaxy M21s
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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 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (2CA), Cat12, 600 Mbps download, 150 Mbps uploadLTE-A, 603 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-32020-11
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Status2019-42020-11
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Design
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BuildPlasticGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height144.4 mm159.2 mm
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Width69.2 mm75.1 mm
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Thickness7.9 mm8.9 mm
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Weight140 g191 g
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ColorsBlack, Blue, Coral, WhiteBlack, Blue
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED
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Physical size5.9 inches6.4 inches
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Resolution1080 x 2340 pixels1080 x 2340 pixels
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Pixel density437 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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MultitouchYes-
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Display featuresAlways-on display, HDR10420 nits (typ), Infinity U Display
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 1.8 GHz Cortex-A73Quad-core 2.3 GHz Cortex-A73
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CPU(second)Hexa-core 1.6 GHz Cortex-A53quad-core 1.7 GHz Cortex-A53
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ChipsetSamsung Exynos 7 Octa 7904Exynos 9611
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GPUMali-G71 MP2Mali-G72 MP3
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Memory RAM4 GB4, 6 GB
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Internal storage64 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB512 GB
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Storage-UFS 2.1
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OS
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OSAndroid 9.0 PieAndroid 10, One UI 2.5
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Main camera
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Camera typeDualTriple
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Main camera16 MP, f/1.764 MP, f/1.8 , (wide) , 26 mm, 1/1.72" , 0.8 µm
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5 MP, f/2.28 MP, f/2.2 , (ultrawide) , 1/4.0" , 1.12 µm
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(depth) , 5 MP, f/2.2
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Primary camera resolution4608 x 3456 pixels9280 x 6920 pixels
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Primary camera video2160p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashLED 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 camera type-Single
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Selfie camera25 MP, f/2.032 MP, f/2.0 , (wide) , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution5984 x 4140 pixels-
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Selfie camera video1080p@30fps1080p@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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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-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 DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C 2.0
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyro, 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-PoLi-Po
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Battery capacity3100 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesFast Charging
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Tests and performance
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Antutu-186200 (v8)
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Cost
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Price-280 USD