Asus Zenfone Go ZB551KL vs Ulefone S1
Asus Zenfone Go ZB551KL
Ulefone S1
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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 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800)-
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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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 announced2016-42018-7
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Status2016-52018-7
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Design
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Build-Plastic, metal
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height151 mm148.6 mm
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Width76.9 mm70.7 mm
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Thickness10.7 mm9.55 mm
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Weight160 g183 g
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ColorsCharcoal Black, Floral Pink, Glacier Gray, Glamour Red, Lake Blue, Pearl White, Sheer Gold, Silver BlueBlack, Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.5 inches5.5 inches
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Resolution720 x 1280 pixels480 x 960 pixels
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Pixel density267 ppi195 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.6 GHz ARM Cortex-A7Quad-core 1.3 GHz ARM Cortex-A7
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ChipsetQualcomm MSM8928 Snapdragon 400Mediatek MT6580
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GPUAdreno 305Mali-400 MP2
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Memory RAM2 GB1 GB
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Internal storage16, 32 GB8 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max64 GB64 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android OS, v8.1 Oreo Go Edition
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Main camera
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Camera type-Dual
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Main camera13 MP, f/2.05 MP, f/2.2
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5 MP
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Interpolated resolution-8 MP
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Primary camera resolution-2592 x 1944 pixels
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Primary camera video1080p@30fps480p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashdual-LED (dual tone) flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera5 MP, f/2.02 MP, f/2.2
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Selfie camera interpolated resolution-5 MP
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Selfie camera resolution-1600 x 1200 pixels
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Selfie camera video-480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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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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BDSYes-
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometer, proximityAccelerometer, light, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity3010 mAh3000 mAh
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Battery removableRemovableNon-removable
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Talk time 2G-11 h
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Talk time 3G16 h11 h
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Standby time 2G-250 h
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Standby time 3G335 h250 h
