Realme 2 vs Samsung Galaxy A21s
Realme 2
Samsung Galaxy A21s
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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, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE-A (2CA), Cat6, 300 Mbps download, 50 Mbps uploadLTE, Cat4, 151 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-82020-05
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Status2018-92020-06
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Design
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BuildMetal, plasticPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height156.2 mm163.7 mm
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Width75.6 mm75.3 mm
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Thickness8.2 mm8.9 mm
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Weight168 g192 g
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ColorsBlack, Blue, RedBlack, Blue, Red, White
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Display
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Display typeIPS LCD capacitive touchscreenPLS TFT capacitive touchscreen
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Physical size6.2 inches6.5 inches
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Resolution720 x 1520 pixels720 x 1600 pixels
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Pixel density271 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3, LTPS(Low temperature PolySilicon)-
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUOcta-core 1.8 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A55
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CPU(second)quad-core 2.0 GHz Cortex-A55
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ChipsetQualcomm SDM450 Snapdragon 450Exynos 850
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GPUQualcomm Adreno 506Mali-G52
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Memory RAM3, 4 GB3, 4, 6 GB
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Internal storage32, 64 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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OS
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OSAndroid 8.1 OreoOne UI 2.0(Android 10)
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Main camera
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Camera typeDualQuad
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Main camera13 MP, f/2.2 , 1/4" , 1.12 µm48 MP, f/2.0 , 1/2.0" , 0.8 µm, 26 mm
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2 MP, f/2.48 MP, f/2.2 , 1/4.0" , 1.12 µm
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2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution4160 x 3120 pixels8000 x 6000 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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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
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Selfie camera
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Selfie camera8 MP, f/2.213 MP, f/2.2 , 1/3.1" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels4160 x 3120 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 Radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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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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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-GoYes-
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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NFC-Yes (market dependent)
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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Beidou-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, light, proximityAccelerometer, fingerprint, geomagnetic, 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 capacity4230 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOC Flash ChargeYes
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Cost
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Price-200 USD
