Celkon A355 vs Nokia Lumia 2520
Celkon A355
Nokia Lumia 2520
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 900, 1800, 1900, 2100
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4G network-LTE 800, 1800, 2600
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HSDPA speed-HSDPA, 42.2 Mbps
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HSUPA speed-HSUPA, 11.5 Mbps
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HSPA speedHSPA-
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LTE speed-LTE, 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 announced2015-52013-10
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Status2015-52013-12
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Design
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SIMDual SIMMicro-SIM
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Height115.3 mm267 mm
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Width63.3 mm168 mm
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Thickness10.2 mm8.9 mm
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Weight97.5 g615 g
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ColorsDark Blue, Light Blue, Red, White, YellowBlack, Cyan, Red, White
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches10.1 inches
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Resolution320 x 480 pixels1080 x 1920 pixels
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Pixel density165 ppi218 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz2.2 GHz Quad-core Krait 400
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ChipsetSpreadtrum 7715Qualcomm MSM8974 Snapdragon 800
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GPUMali-400Adreno 330
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Memory RAM256 MB2 GB
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Internal storage512 MB32 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB64 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Microsoft Windows RT
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Main camera
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Main camera2 MP6.7 MP
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Primary camera resolution1600 x 1200 pixels3088 x 1744 pixels
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Primary camera videovideo1080p@30fps
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Primary camera optics-Carl Zeiss optics
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Primary camera Autofocus-autofocus
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Primary camera flashLED flash-
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Camera featuresYes-
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera2 MP
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Selfie camera video-720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3 ringtones
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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-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Dual Band-Yes
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USBYes3.0
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USB host-Yes
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BluetoothYesv4.0
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GPSYesYes, with A-GPS
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GLONASS-Yes
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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 IM-IM
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Messaging Push Email-Push Email
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JavaNoNo
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SensorsAccelerometer-
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-Ion-
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Battery capacity1200 mAh8120 mAh
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Battery removable-Non-removable
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Talk time-10 h
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Standby time-600 h