Oppo A1 2018 vs Yezz C21
Oppo A1 2018
Yezz C21
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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, 2100-
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4G networkLTE-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-
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GPRSYesUp to 48 kbps
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EDGEYesNo
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Availability
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Status2018-42016-8
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Oficially announced2018-32016-7
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Design
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BuildMetal-
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height150.5 mm113 mm
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Width73.1 mm48.5 mm
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Thickness7.7 mm14.6 mm
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Weight143 g70 g
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ColorsBlue, Red, WhiteBlack, Blue, Red, White
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Display
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Display typeS-IPS LCD capacitive touchscreenTFT
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Physical size5.7 inches1.8 inches
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Resolution720 x 1440 pixels128 x 160 pixels
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Pixel density282 ppi114 ppi
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Display colors16777216262144
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Protection2.5D curved glass screen-
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MultitouchYes-
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Hardware
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CPU321 MHz
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Chipset-Spreadtrum SC6531DA
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Memory RAM4 GB4 MB
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Internal storage64 GB4 MB
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Memory cardmicroSDmicroSD
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Memory card max128 GB8 GB
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Phonebook-Yes
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Call records-Yes
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OS
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OSAndroid 7.1 (Nougat)-
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Main camera
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm
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Primary camera-VGA
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusNo
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Selfie camera
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Secondary camera-No
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Selfie camera8 MP
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic, MP3
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EarpieceYes-
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.2v2.1
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Bluetooth A2DPYes-
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bluetooth LEYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging Push EmailPush Email-
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WAP-Yes
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Java-No
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SensorsAccelerometer, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3180 mAh600 mAh
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Battery removableNon-removableRemovable
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Fast battery chargingVOOC-
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Talk time-3 h
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Standby time-180 h