Celkon A40 vs ZTE V81
Celkon A40
ZTE V81
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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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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12013-1
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Status2014-1
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Design
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SIMDual SIMMini-SIM
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Height126.2 mm200 mm
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Width64 mm156 mm
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Thickness10.8 mm11.1 mm
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Weight126.5 g
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ColorsBlue, White, YellowBlack
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size4.0 inches8.0 inches
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Resolution480 x 800 pixels768 x 1024 pixels
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Pixel density233 ppi160 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzDual-core 1.4 GHz Krait
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Chipset-Qualcomm MSM8960 Snapdragon
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GPU-Adreno 225
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Internal storage4 GB4 GB
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Memory RAM512 MB1 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, v4.1 (Jelly Bean)
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Main camera
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv2.1
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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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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh3700 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--
