Celkon Q450 vs ZTE Grand S Flex
Celkon Q450
ZTE Grand S Flex
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA
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4G network-LTE
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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HSPA speedHSPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-42013-11
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Status2015-42013-11
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Design
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SIMDual SIMYes
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Height135 mm143 mm
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Width67.7 mm70 mm
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Thickness9.7 mm8.9 mm
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Weight147 g130 g
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ColorsGold, WhiteBlack/Silver
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 800 pixels720 x 1280 pixels
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Pixel density207 ppi294 ppi
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Display colors-16777216
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Hardware
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CPUQuad-core 1.2 GHzDual-core 1.2 GHz Krait
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ChipsetSpreadtrum 7731Qualcomm MSM8930 Snapdragon
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GPUMali-400-
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Memory RAM512 MB1 GB
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Internal storage4 GB16 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v4.1 (Jelly Bean)
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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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Primary camera flashLED flashLED flash
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Camera featuresYes-
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Selfie camera
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Selfie camera2 MP1 MP
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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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Radio FMFM radioFM 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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WLAN DLNA-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv4.0
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Bluetooth A2DP-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 IM-IM
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Messaging Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximity-
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh2300 mAh
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Talk time-3 h
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Standby time-250 h
