Celkon A21 vs Lenovo Yoga Tab 3 Plus
Celkon A21
Lenovo Yoga Tab 3 Plus
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 19(800), 20(800), 21(1500), 25(1900), 26(850), 28(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speedHSDPA-
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122016-9
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Status2014-122016-10
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Design
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SIMDual SIM (dual stand-by)Micro-SIM
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Height124.8 mm247 mm
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Width66.1 mm179 mm
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Thickness10.8 mm4.68 mm
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Weight115.3 g644 g
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ColorsBlack, Blue, RedBlack
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches10.1 inches
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Resolution320 x 480 pixels1600 x 2560 pixels
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Pixel density144 ppi299 ppi
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Display colors-16777216
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Multitouch-Yes, max 10 fingers
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Hardware
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CPU-Octa-core
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CPUDual-core 1.2 GHzQuad-core 1.8 GHz Cortex-A72
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CPU(second)quad-core 1.4 GHz Cortex-A53
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ChipsetMediatek MT6582Qualcomm MSM8976 Snapdragon 652
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GPU-Adreno 510
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Memory ROM512 MB-
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Memory RAM256 MB3 GB
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Internal storage-32 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB256 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Main camera3.15 MP13 MP
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera1.3 MP5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers (4 speakers)
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NotificationsVibration, Polyphonic, MP3 ringtonesYes
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBYesType-C reversible connector
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Bluetoothv4.0v4.0
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GPSNoYes, with A-GPS
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GLONASS-Yes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, compass
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh9300 mAh
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Battery removable-Non-removable
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Talk time 3G8 h18 h
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Standby time 3G120 h-