Asus Zenfone 3 Ultra ZU680KL vs ZTE Grand S II S291
Asus Zenfone 3 Ultra ZU680KL
ZTE Grand S II S291
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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 800, 850, 900, 1900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)-
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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, Cat6, 300 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-52014-1
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Status2016-62014-4
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Design
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Micro-SIM
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Height186.4 mm157 mm
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Width93.9 mm77 mm
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Thickness6.8 mm9.1 mm
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Weight233 g150 g
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ColorsGlacier Silver, Metallic Pink, Titanium GraySilver
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.8 inches5.5 inches
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Resolution1080 x 1920 pixels1080 x 1920 pixels
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Pixel density324 ppi401 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 4-
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MultitouchYes, max 10 fingers-
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Hardware
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CPUQuad-core 1.8 GHz ARM Cortex-A72Quad-core 2.3 GHz Krait 400
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CPU(second)quad-core 1.4 GHz ARM Cortex-A53
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ChipsetQualcomm MSM8976 Snapdragon 652Qualcomm MSM8974AB Snapdragon 801
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GPUAdreno 510Adreno 330
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Memory RAM3, 4 GB2 GB
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Internal storage32, 64, 128 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max256 GB32 GB
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)Android OS, v4.3 (Jelly Bean)
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Main camera
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Main camera23 MP, f/2.013 MP
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Primary camera resolution-4128 x 3096 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashdual-LED (dual tone) flashLED flash
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Primary camera optical image stabilization4-axis optical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Primary camera laser autofocuslaser autofocus-
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Camera features1 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focusGeo-tagging, face detection, touch focus
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Selfie camera
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Selfie camera8 MP, f/2.02 MP
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Selfie camera video1080p1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, dual 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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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual Band-Yes
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WLAN DLNA-Yes
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth EDRYes-
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InfraredYes-
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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 IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaNoYes, via Java MIDP emulator
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SensorsFingerprint, accelerometer, compass, gyro, proximityAccelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4600 mAh3100 mAh
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Battery removableNon-removable-
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Talk time--
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Talk time 3G34 h-
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Standby time--
