Acer Iconia One 8 B1-820 vs Celkon Campus Crown Q40
Acer Iconia One 8 B1-820
Celkon Campus Crown Q40
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 2100
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Speed Yes-Yes
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2015-42014-10
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Status2015-52014-10
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Design
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SIMNoDual SIM
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Height213.9 mm125.5 mm
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Width127.7 mm64.7 mm
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Thickness9.5 mm9.6 mm
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Weight355 g109.3 g
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ColorsVariousGrey, Silver
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size8.0 inches4.0 inches
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Resolution800 x 1280 pixels480 x 800 pixels
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Pixel density189 ppi233 ppi
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Hardware
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CPUQuad-core 1.83 GHzQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetIntel Atom Z3735GMediatek MT6582M
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GPU-Mali-400MP2
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Memory RAM1 GB512 MB
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Internal storage16, 32 GB4 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, v4.4 (KitKat)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresYes-
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Selfie camera
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Secondary cameraVGA cameraYes
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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; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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GPSNoYes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometerAccelerometer, proximity
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Browser
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HTMLHTML5Yes
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Battery
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Battery type-Li-Ion
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Battery capacity-1500 mAh
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Talk time8 h 30 min6 h
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Standby time-260 h
