Alcatel Pop Up vs Celkon A21
Alcatel Pop Up
Celkon A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 2100
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HSDPA speed-HSDPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-92014-12
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Status20152014-12
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Design
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Dual SIM (dual stand-by)
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Height143 mm124.8 mm
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Width71.9 mm66.1 mm
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Thickness8.2 mm10.8 mm
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Weight115.3 g
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ColorsVariousBlack, Blue, Red
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Display
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Display typeCapacitive touchscreenCapacitive touchscreen
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Physical size5.0 inches4.0 inches
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Resolution720 x 1280 pixels320 x 480 pixels
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Pixel density294 ppi144 ppi
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Display colors16777216-
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Hardware
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CPUOcta-core 1.4 GHzDual-core 1.2 GHz
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ChipsetQualcomm MSM8929 Snapdragon 610Mediatek MT6582
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GPUAdreno 405-
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Memory ROM-512 MB
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Memory RAM2 GB256 MB
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Internal storage16 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v5.0 (Lollipop)Android OS, v4.2.2 (Jelly Bean)
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Main camera
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Main camera13 MP3.15 MP
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Primary camera resolution4128 x 3096 pixels-
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera featuresYes-
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Selfie camera
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Selfie camera5 MP1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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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 IMIM-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, compass, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2000 mAh1500 mAh
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Talk time--
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Talk time 3G-8 h
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Standby time--
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Standby time 3G-120 h