Nokia C21 vs ZTE Blade A51
Nokia C21
ZTE Blade A51
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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, 2100 - global version; 850, 900, 1700(AWS), 1900, 2100 - LATAM, BrazilHSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 5, 7, 8, 20LTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
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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, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat6, 301 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 announced2022-022021-05
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Status2022-032021-05
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Design
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BuildGlass front, aluminum frame, plastic backPolycarbonate
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height169.9 mm166.5 mm
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Width77.9 mm75.6 mm
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Thickness8.8 mm8.5 mm
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Weight195 g173 g
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ColorsBlue, GrayBlue, Gray
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Display
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Display typeIPS LCDIPS LCD
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Physical size6.52 inches6.52 inches
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Resolution720 x 1600 pixels720 x 1600 pixels
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Pixel density269 ppi269 ppi
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Display colors1677721616777216
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.6 GHz Cortex-A55Quad-core 1.6 GHz Cortex-A55
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CPU(second)quad-core 1.2 GHz Cortex-A55quad-core 1.2 GHz Cortex-A55
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ChipsetUnisoc SC9863AUnisoc SC9863A
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GPUIMG8322IMG8322
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Memory RAM2, 3 GB2 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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StorageeMMC 5.1-
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OS
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OSAndroid 11 Go EditionAndroid 11 Go Edition
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Main camera
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Camera typeSingleDual
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Main camera8 MP13 MP
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2 MP
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Primary camera resolution3264 x 2448 pixels4160 x 3120 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, 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 typeSingleSingle
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Selfie camera5 MP, f/2.45 MP, f/2.0 , 1.0 µm
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Selfie camera resolution2560 x 1920 pixels2560 x 1920 pixels
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Selfie camera features-Face unlock, face detection
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Selfie camera video720p@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 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, fingerprint, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3000 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Tests and performance
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Antutu109200 (v9)101300 (v8)
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Geekbench(single-core)126 (v5.4)147 (v5.2)
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Geekbench(multi-core)475 (v5.4)808 (v5.2)
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Cost
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Price110 USD90 USD
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