BLU Quattro 5.7 HD vs Celkon A20
BLU Quattro 5.7 HD
Celkon A20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 2100
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HSDPA speedHSDPA, 21 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-22013-8
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Status2013-22013-8
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height161.2 mm
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Width82.9 mm
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Thickness10.6 mm
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Weight243 g
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ColorsBlackBlack
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.7 inches4.0 inches
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Resolution720 x 1280 pixels480 x 800 pixels
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Pixel density258 ppi233 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.5 GHzDual-core 1.2 GHz
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ChipsetNvidia Tegra 3-
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GPUULP GeForce-
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Memory ROM-256 MB
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Internal storage4 GB-
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Memory RAM1 GB512 MB
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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, v4.0 (Ice Cream Sandwich)Android OS, v4.2.0 (Jelly Bean)
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Main camera
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Main camera8 MP3.15 MP
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Primary camera resolution3264 x 2448 pixels2048 x 1536 pixels
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Primary camera video1080p@24fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Primary camera video stereo sound recordstereo sound record-
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Selfie camera
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Secondary camera-VGA camera
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Selfie camera1.3 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 FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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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 EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2800 mAh1500 mAh
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Talk time--
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Talk time 2G30 h-
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Talk time 3G15 h-
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Standby time--
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Standby time 2G900 h-
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Standby time 3G850 h-