Asus Zenfone Zoom ZX551ML vs Ulefone S7
Asus Zenfone Zoom ZX551ML
Ulefone S7
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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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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE, Cat4+, 250 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 announced2015-92017
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Status2015-102017
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Design
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Build-Plastic
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SIMMicro-SIMDual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height158.9 mm145.8 mm
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Width78.8 mm70.8 mm
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Thickness12 mm10.8 mm
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Weight185 g151 g
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ColorsCeramic White, Pure BlackBlack, Blue, Gold, Red, Turquoise
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size5.5 inches5 inches
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Resolution1080 x 1920 pixels720 x 1280 pixels
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Pixel density401 ppi294 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-coreQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetIntel AtomMediatek MT6580A
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GPUPowerVR G6430Mali-400 MP2
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Memory RAM4 GB1 GB
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Internal storage32, 64, 128 GB8 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max128 GB32 GB
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OS
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OSAndroid OS, v5.0 (Lollipop)Android OS, v7.0 Nougat
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Main camera
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Camera type-Dual
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Main camera13 MP, 3x optical zoom5 MP, f/2.4
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5 MP
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Primary camera resolution4128 x 3096 pixels2592 x 1944 pixels
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Primary camera video1080p@30fps480p@30fps
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Primary camera flashdual-LED (dual tone) flashdual-LED flash
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Primary camera image stabilizationoptical image stabilization-
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Primary camera laser autofocuslaser autofocus-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, 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 MP2 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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Multimedia
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RadioNo-
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Radio FM-FM radio
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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 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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GPS NavigatorBeidou-
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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, compass, gyro, proximityAccelerometer, light, proximity
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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 capacity3000 mAh2500 mAh
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Battery removableNon-removableRemovable
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Talk time--
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Standby time--
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Standby time 2G-368 h
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Standby time 3G-368 h
