Doogee S51 vs Realme Narzo 20A
Doogee S51
Realme Narzo 20A
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66LTE frequency band 1, 3, 5, 8, 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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EV-DO speedEV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE, Cat7, 301 Mbps download, 102 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-092020-09
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Status2022-092020-09
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Design
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BuildMetal, rubber, polycarbonatePlastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height167.4 mm164.5 mm
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Width81.4 mm75.4 mm
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Thickness14.6 mm8.9 mm
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Weight266 g195 g
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WaterproofIP68/IP69K-
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Dust proofIP68/IP69K-
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MIL-STD-810HYes-
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ColorsBlack, Green, OrangeBlue, Silver
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.0 inches6.5 inches
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Resolution720 x 1440 pixels720 x 1600 pixels
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Pixel density268 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, Corning Gorilla GlassScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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Display features-450 nits (typ)
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz Cortex-A53Quad-core 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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ChipsetMediaTek Helio G25Qualcomm SDM665 Snapdragon 665
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GPUPowerVR GE8320Adreno 610
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Memory RAM4 GB3, 4 GB
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Internal storage64 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 12Android 10, Realme UI 1.0
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm(wide) , 12 MP, f/1.8 , 1/2.8" , 1.25 µm, 28 mm
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(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm(depth) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution5184 x 3840 pixels4032 x 3024 pixels
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Primary camera video1080p4K@30fps, 1080p@30fps, 480p@120fps
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Primary camera flashquad-LED 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-mode, macro-mode, phase detection autofocusAutofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 8 MP, f/2.0 , 80˚(wide) , 8 MP, f/2.0 , 79˚ , 26 mm, 1/4" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlockFace unlock, HDR
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Selfie camera video1080p1080p@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, 802.11n 5Ghz, 802.11acWi-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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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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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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GALILEOYes-
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximityAccelerometer, compass, fingerprint, 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 capacity5180 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Talk time 3G24 h-
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Talk time 4G24 h-
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Standby time 3G360 h-
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Standby time 4G360 h-
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Tests and performance
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Antutu102000 (v8)170500 (v8)
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Geekbench(single-core)166 (v5.2)343 (v5.2)
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Geekbench(multi-core)968 (v5.2)1322 (v5.2)
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Cost
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Price155 USD130 USD
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SAR value
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SAR(head)-1.18 W/kg
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SAR(body)-0.63 W/kg
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