Celkon A40 vs HTC Desire 820q dual sim
Celkon A40
HTC Desire 820q dual sim
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 900, 1900, 2100
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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
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12014-10
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Status2014-12014-10
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Design
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SIMDual SIMDual SIM (Nano-SIM, dual stand-by)
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Height126.2 mm157.7 mm
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Width64 mm78.7 mm
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Thickness10.8 mm7.7 mm
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Weight126.5 g155 g
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ColorsBlue, White, YellowMilky-way Gray, Santorini White, Tuxedo Gray
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size4.0 inches5.5 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density233 ppi267 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1.2 GHz ARM Cortex-A53
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Chipset-Qualcomm MSM8916 Snapdragon 410
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GPU-Adreno 306
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Memory RAM512 MB1 GB
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Internal storage4 GB16 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, v4.2.2 (Jelly Bean)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera5 MP13 MP
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Primary camera resolution2592 x 1944 pixels4160 x 3120 pixels
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Primary camera videovideo1080p@30fps, 720p@60fps
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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, simultaneous HD video and image recording, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera8 MP
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Selfie camera video-1080p
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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, Polyphonic, MP3 ringtonesVibration; MP3, WAV 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 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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Bluetooth AptX-Yes
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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 IMIM-
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Messaging Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1500 mAh2600 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--