Asus Zenfone 4 Pro vs Asus Zenfone Zoom ZX550
Asus Zenfone 4 Pro
Asus Zenfone Zoom ZX550
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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 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700) - global; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300) - US, Canada, Brazil-
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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HSPA speedHSPA-
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LTE speedLTELTE, 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 announced2017-82015-1
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Status2015
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Design
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height156.9 mm158.9 mm
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Width75.6 mm78.8 mm
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Thickness7.6 mm12 mm
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Weight175 g185 g
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ColorsMoonlight white, Pure BlackGlacier white, Meteorite black
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Display
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Display typeAMOLED capacitive touchscreenIPS capacitive touchscreen
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Physical size5.5 inches5.5 inches
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Resolution1080 x 1920 pixels1080 x 1920 pixels
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Pixel density401 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass-
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MultitouchYes, max 10 fingers-
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.35 GHz KryoQuad-core 2.3 GHz
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CPU(second)quad-core 1.9 GHz Kryo
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ChipsetQualcomm MSM8998 Snapdragon 835Intel Atom Z3580
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GPUAdreno 540PowerVR G6430
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Memory RAM6 GB2, 4 GB
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Internal storage64, 128 GB16, 32, 64, 128 GB
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Memory cardmicroSD(uses second SIM slot)microSD
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Memory card max256 GB64 GB
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OS
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OSAndroid 7.1.1 (Nougat)Android OS, v5.0 (Lollipop)
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Main camera
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Camera typeDual-
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Main camera12 MP, f/1.7 , 2x optical zoom13 MP, 3x optical zoom
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16 MP, 50 mm
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Primary camera resolution-4128 x 3096 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocuslaser/phase detection autofocus-
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Primary camera flashdual-LED (dual tone) flashdual-LED (dual tone) flash
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Primary camera optical image stabilization4-axis optical image stabilization-
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Primary camera image stabilization-optical image stabilization
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Primary camera laser autofocus-laser autofocus
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Camera features1.4µm pixels, HDR, face 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 MP, f/1.95 MP
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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-No
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Radio FMFM 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, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C reversible connectormicroUSB 2.0
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USB host-Yes
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Bluetoothv5.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth EDRYesYes
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InfraredYes-
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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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 (front-mounted), 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-Po
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Battery capacity3600 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Talk time--
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Standby time--
