Asus Zenfone 3s Max ZC521TL vs Lava Iris Alfa
Asus Zenfone 3s Max ZC521TL
Lava Iris Alfa
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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, 1900, 2100 - Global; HSDPA 850, 900, 2100 - IndiaHSDPA 2100
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4G networkLTE 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 speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, 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 announced2017-12015-1
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Status2017-22015-1
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Design
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SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM
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Height149.5 mm141 mm
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Width73.7 mm71.4 mm
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Thickness8.85 mm9.3 mm
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Weight175 g158 g
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ColorsBlack, GoldBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.2 inches5.0 inches
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Resolution720 x 1280 pixels480 x 854 pixels
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Pixel density282 ppi196 ppi
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Display colors16777216-
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MultitouchYes-
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Hardware
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CPUOcta-core 1.5 GHz ARM Cortex-A53Quad-core 1.2 GHz
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ChipsetMediatek MT6750Spreadtrum 7731
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GPUMali-T860MP2Mali-400
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Memory RAM3 GB1 GB
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Internal storage32 GB8 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB32 GB
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OS
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OSAndroid OS, v7.0 (Nougat)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera13 MP, f/2.05 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video1080p@30fps720p
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Primary camera Autofocusautofocusautofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusYes
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Selfie camera
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Secondary camera-VGA camera
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Selfie camera8 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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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-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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USBmicroUSB 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.0v2.1
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Bluetooth A2DPYes-
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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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BDSYes-
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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 IMIM-
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Messaging Push EmailPush Email-
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JavaNoNo
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityAccelerometer, proximity
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Power bank functionYes-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity5000 mAh2200 mAh
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Battery removableNon-removable-
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Talk time 3G28 h14 h 30 min
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Standby time--
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Standby time 3G816 h-
