Allview X2 Xtreme vs Asus Zenfone 4 Pro ZS551KL
Allview X2 Xtreme
Asus Zenfone 4 Pro ZS551KL
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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 900, 1900, 2100HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - India
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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LTE-A speed-LTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-62017-8
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Status2015-82017-10
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height164 mm156.9 mm
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Width82 mm75.6 mm
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Thickness9.6 mm7.6 mm
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Weight204.4 g175 g
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ColorsGoldMoonlight white, Pure Black
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Display
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Display typeAMOLED capacitive touchscreenAMOLED capacitive touchscreen
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Physical size6.0 inches5.5 inches
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Resolution1440 x 2560 pixels1080 x 1920 pixels
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Pixel density490 ppi401 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 5
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Multitouch-Yes, max 10 fingers
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Hardware
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CPU-Octa-core
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CPUOcta-core 2 GHz ARM Cortex-A53Quad-core 2.45 GHz Kryo
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CPU(second)quad-core 1.9 GHz Kryo
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ChipsetMediatek MT6795Qualcomm MSM8998 Snapdragon 835
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GPUPowerVR G6200Adreno 540
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Memory RAM3 GB6 GB
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Internal storage64 GB64, 128 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max128 GB256 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android 7.1.1 (Nougat)
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Main camera
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Camera type-Dual
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Main camera24 MP12 MP, f/1.7 , 25 mm, 2x optical zoom
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16 MP, 50 mm
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Primary camera resolution5632 x 4224 pixels-
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Primary camera video2160p@30fps2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
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Primary camera Autofocus-laser/phase detection autofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Primary camera optical image stabilization-4-axis optical image stabilization
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Primary camera image stabilizationoptical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Camera features1/2.3'' sensor size, HDR, face/smile detection, geo-tagging, panorama, touch focus25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panorama
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Selfie camera
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Selfie camera8 MP8 MP, f/1.9 , 22 mm, 1.4 µm
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Secondary camera autofocusautofocus-
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes, dual speakers
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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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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C reversible connector
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USB hostYes-
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDRYesYes
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Bluetooth AptX-Yes
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Infrared-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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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 MailPush Email
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JavaNoNo
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SensorsAccelerometer, compass, gyro, proximityFingerprint (front-mounted), accelerometer, color spectrum, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3500 mAh3600 mAh
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Battery removable-Non-removable
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Fast battery charging-50% in 32 min
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Talk time 3G12 h27 h 30 min
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Standby time 3G350 h-
