BLU Vivo IV vs Celkon C770 Dj
BLU Vivo IV
Celkon C770 Dj
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100Yes
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HSDPA speedHSDPA, 21 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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Speed Yes-Yes
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GPRSYesYes
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EDGEYes
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Availability
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Status2014-5
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Oficially announced2014-52014-12
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height145.1 mm118 mm
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Width70.2 mm52 mm
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Thickness5.5 mm12.9 mm
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Weight129 g
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ColorsBlack, White/Gold, White/SilverBlack/Red
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Display
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Display typeSuper AMOLED capacitive touchscreenTFT
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Physical size5.0 inches2.4 inches
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Resolution1080 x 1920 pixels240 x 320 pixels
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Pixel density441 ppi167 ppi
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Display colors16777216-
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Hardware
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CPUOcta-core 1.7 GHz ARM Cortex-A7
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ChipsetMediatek MT6592-
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GPUMali-450-
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Memory RAM2 GB-
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Internal storage16 GB-
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Memory cardmicroSD
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Memory card max-16 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)-
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Main camera
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Main camera13 MP2 MP
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Primary camera resolution4128 x 3096 pixels1600 x 1200 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Browser-Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2300 mAh1350 mAh
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Battery removableNon-removable-
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Talk time-9 h 10 min
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Talk time 2G24 h-
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Talk time 3G12 h-
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Standby time-350 h
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Standby time 2G750 h-
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Standby time 3G675 h-
