Allview X2 Xtreme vs Asus Zenfone 3s Max ZC521TL
Allview X2 Xtreme
Asus Zenfone 3s Max ZC521TL
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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 850, 900, 1900, 2100 - Global; HSDPA 850, 900, 2100 - India
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 41(2500) - Taiwan; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300) - 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 uploadLTE, 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 announced2015-62017-1
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Status2015-82017-2
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Design
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height164 mm149.5 mm
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Width82 mm73.7 mm
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Thickness9.6 mm8.85 mm
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Weight204.4 g175 g
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ColorsGoldBlack, Gold
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.0 inches5.2 inches
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Resolution1440 x 2560 pixels720 x 1280 pixels
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Pixel density490 ppi282 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUOcta-core 2 GHz ARM Cortex-A53Octa-core 1.5 GHz ARM Cortex-A53
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ChipsetMediatek MT6795Mediatek MT6750
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GPUPowerVR G6200Mali-T860MP2
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Memory RAM3 GB3 GB
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Internal storage64 GB32 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 OS, v7.0 (Nougat)
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Main camera
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Main camera24 MP13 MP, f/2.0
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Primary camera resolution5632 x 4224 pixels-
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashdual-LED (dual tone) flashdual-LED (dual tone) flash
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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 focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP8 MP
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Secondary camera autofocusautofocus-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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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 2.0microUSB 2.0
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USB On-The-Go-Yes
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USB hostYes-
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDRYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-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, compass, gyro, proximity
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Power bank function-Yes
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3500 mAh5000 mAh
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Battery removable-Non-removable
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Talk time 3G12 h28 h
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Standby time 3G350 h816 h
