Celkon A40 vs HP Pro Slate 8
Celkon A40
HP Pro Slate 8
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12015-1
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Status2014-12015-1
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Design
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SIMDual SIMNano-SIM
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Height126.2 mm207 mm
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Width64 mm137 mm
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Thickness10.8 mm8 mm
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Weight126.5 g350 g
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ColorsBlue, White, YellowGray
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Display
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Display typeTFT touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches7.86 inches
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Resolution480 x 800 pixels1536 x 2048 pixels
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Pixel density233 ppi326 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzQuad-core 2.3 GHz
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Chipset-Qualcomm Snapdragon 800
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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 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v4.4.4 (KitKat)
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Camera features-Geo-tagging, HDR, face detection, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 MP
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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-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, 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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USBmicroUSB 2.0v2.0(Slimport)
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYesYes, with A-GPS
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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 Email-Push Mail
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JavaNoYes, via Java MIDP emulator
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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 mAh-
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Battery removable-Non-removable
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Talk time--
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Standby time--