Celkon A20 vs Samsung Galaxy Note 4 Duos
Celkon A20
Samsung Galaxy Note 4 Duos
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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, 1900, 2100
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HSPA speed-HSPA
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Speed YesYes, 384 kbps-
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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 announced2013-82014-10
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Status2013-82014-10
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Micro-SIM, dual stand-by)
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Height153.5 mm
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Width78.6 mm
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Thickness8.5 mm
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Weight175 g
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ColorsBlackBlossom Pink, Bronze Gold, Charcoal black, Frosted white
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Display
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Display typeTFT capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size4.0 inches5.7 inches
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Resolution480 x 800 pixels1440 x 2560 pixels
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Pixel density233 ppi515 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.2 GHzQuad-core 2.7 GHz Krait 450
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Chipset-Qualcomm Snapdragon 805
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GPU-Adreno 420
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Memory ROM256 MB-
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Memory RAM512 MB3 GB
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Internal storage-16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB128 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)Android OS, v4.4.4 (KitKat)
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Main camera
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Main camera3.15 MP16 MP
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Primary camera resolution2048 x 1536 pixels5312 x 2988 pixels
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Primary camera videovideo2160p@30fps, 1080p@60fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Primary camera video optical stabilization-optical stabilization
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Primary camera image stabilization-optical image stabilization
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Primary camera video dual video-dual-video record
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Camera features-Dual Shot, HDR, Simultaneous HD video and image recording, face/smile detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera3.7 MP
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Selfie camera video-1440p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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BluetoothYesv4.1
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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Infrared-Yes
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GPSNoYes, with A-GPS
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GLONASS-Yes
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GPS Navigator-Beidou
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, SpO2, UV, barometer, compass, gesture, gyro, heart rate, proximity
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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 mAh3000 mAh
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Talk time--
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Standby time--
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Standby time 3G-381 h
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Multimedia
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Radio-No
