Asus Zenfone 4 A450CG vs BLU Energy X LTE
Asus Zenfone 4 A450CG
BLU Energy X LTE
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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, 900, 1900, 2100HSDPA 850, 1700(AWS), 1900
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4G network-LTE frequency band 2(1900), 4(1700/2100), 7(2600)
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HSDPA speedHSDPA, 42.2 Mbps42.2 Mbps
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HSUPA speedHSUPA, 5.76 Mbps11.5 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-62016-3
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Status2014-72016-3
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Design
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SIMOptional Dual SIM (Micro-SIM, dual stand-by)Dual SIM
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Height136.8 mm143 mm
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Width67.9 mm69.9 mm
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Thickness11.3 mm8.5 mm
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Weight134 g183 g
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ColorsCharcoal Black, Cherry Red, Pearl White, Sky Blue, Solar YellowGold, Grey
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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 854 pixels720 x 1280 pixels
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Pixel density218 ppi294 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUDual-core 1.2 GHzQuad-core 1.3 GHz ARM Cortex-A53
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ChipsetIntel Atom Z2520Mediatek MT6735
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GPUPowerVR SGX544MP2Mali-T720
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Memory RAM1 GB1 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB64 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera8 MP8 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera features-1/4'' sensor size, HDR, face/smile detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3 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 HotspotYesYes
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WLAN WiFi DirectYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 emulatorNo
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Sensors-Accelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity1750 mAh4000 mAh
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Battery removable-Non-removable
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Talk time--
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Talk time 2G-52 h
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Talk time 3G-38 h
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Standby time--
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Standby time 2G-800 h
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Standby time 3G-725 h
