Yezz Classic C21 vs ZTE Grand X4
Yezz Classic C21
ZTE Grand X4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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4G network-LTE
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-32016-9
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Status2014-42016-9
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Design
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SIMDual SIM (Mini-SIM)Nano-SIM
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Height106 mm155.2 mm
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Width45 mm77 mm
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Thickness14.5 mm9.1 mm
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Weight73 g162 g
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ColorsBlack, Blue, Gray, Green, Purple, Red, WhiteBlack
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size1.8 inches5.5 inches
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Resolution128 x 160 pixels720 x 1280 pixels
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Pixel density114 ppi267 ppi
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Display colors6656016777216
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Protection-Corning Gorilla Glass 3
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.4 GHz ARM Cortex-A53
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Chipset-Qualcomm MSM8917 Snapdragon 425
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GPU-Adreno 308
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Internal storage64 MB16 GB
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Memory RAM-2 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB128 GB
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Main camera
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Main camera13 MP
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Primary camera resolution640 x 480 pixels-
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Primary camera videono1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBYesType-C reversible connector
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Bluetoothv2.1v4.2
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IMIMIM
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Messaging Push Email-Push Email
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WAPYes-
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JavaNoNo
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Sensors-Fingerprint (rear-mounted), accelerometer, compass, proximity
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh3140 mAh
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Battery removable-Non-removable
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Talk time4 h-
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Talk time 3G-26 h
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Standby time150 h-
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Standby time 3G-715 h
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OS
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OS-Android OS, v6.0.1 (Marshmallow)
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Browser
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HTML-HTML5