Celkon A40 vs HTC One M8s
Celkon A40
HTC One M8s
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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, 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 announced2014-12015-4
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Status2014-12015-5
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Design
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SIMDual SIMNano-SIM
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Height126.2 mm146.4 mm
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Width64 mm70.6 mm
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Thickness10.8 mm9.6 mm
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Weight126.5 g160 g
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ColorsBlue, White, YellowAmber Gold, Glacial Silver, Gunmetal Gray
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Display
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Display typeTFT touchscreenSuper LCD3 capacitive touchscreen
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Physical size4.0 inches5.0 inches
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Resolution480 x 800 pixels1080 x 1920 pixels
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Pixel density233 ppi441 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1 GHz ARM Cortex-A53
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CPU(second)quad-core 1.7 GHz ARM Cortex-A57
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Chipset-Qualcomm MSM8939 Snapdragon 615
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GPU-Adreno 405
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Memory RAM512 MB2 GB
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Internal storage4 GB16, 32 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, v5.0 (Lollipop)
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Main camera
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Main camera5 MP13 MP
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Primary camera resolution2592 x 1944 pixels4128 x 3096 pixels
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Primary camera videovideo1080p@60fps, 720p@120fps
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Primary camera Autofocus-autofocus
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Primary camera flash-dual-LED (dual tone) flash
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Primary camera video hdr-HDR
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Primary camera video stereo sound record-stereo sound record
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Camera features-Automatic simultaneous video and image recording, HDR, face/smile detection, geo-tagging, panorama
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Secondary camera HDR-HDR
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Selfie camera video-1080p@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, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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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 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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USB host-Yes
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BluetoothYesv4.1
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Bluetooth A2DP-Yes
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Bluetooth AptX-Yes
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Infrared-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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JavaNoNo
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Sensors-Accelerometer, barometer, compass, gyro, 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 mAh2840 mAh
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Battery removable-Non-removable
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Talk time--
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Talk time 3G-20 h
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Standby time--
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Standby time 3G-753 h