UMIDIGI Z2 vs alcatel 3
UMIDIGI Z2
alcatel 3
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 18(800), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHzLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 28(700)
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HSDPA speed-42.2 Mbps
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HSUPA speed-11.5 Mbps
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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE, Cat7, 301 Mbps download, 102 Mbps uploadLTE, 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 announced2018-52018-2
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Status2018-52018-3
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Design
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BuildAluminium alloy, glassPlastic, metal
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SIMDual SIM (Nano-SIM/Nano-SIM(microSD))Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height153.4 mm147.1 mm
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Width74.4 mm68.8 mm
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Thickness8.3 mm8.5 mm
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Weight165 g145 g
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ColorsBlack, BlueSpectrum Black, Spectrum Blue, Spectrum Gold
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.2 inches5.5 inches
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Resolution1080 x 2284 pixels720 x 1440 pixels
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Pixel density407 ppi293 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen-
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MultitouchYesYes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A53 ARM
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CPU(second)quad-core 1.5 GHz Cortex-A53
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ChipsetMediaTek Helio P23 (MT6763V)Mediatek MT6739
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GPUMali-G71 MP2PowerVR GE8100
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Memory RAM6 GB2 GB
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Internal storage64 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max256 GB128 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 8.1 OreoAndroid 8.0 (Oreo)
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Main camera
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Camera typeDual-
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Main camera16 MP, f/2.0 , 1.0 µm13 MP, f/2.0 , 1.12 µm, 1/3"
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8 MP
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Primary camera resolution4608 x 3456 pixels4160 x 3120 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera typeDual-
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Selfie camera16 MP, f/2.05 MP
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8 MP
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Selfie camera resolution4608 x 3456 pixels2592 x 1944 pixels
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Selfie camera video1080p@30fps720p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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Headphone adapterYes-
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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, 802.11n 5 GHzWi-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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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBType-C reversible connectormicroUSB 2.0
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USB On-The-GoYesYes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth HIDYes-
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bluetooth LE-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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SensorsAccelerometer, compass, fingerprint, gyroscope, light, proximityFingerprint (rear-mounted), accelerometer, compass, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4050 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Wireless chargingYes-
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Talk time 2G-25 h
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Talk time 3G-17 h
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Talk time 4G-13 h
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Standby time 2G-460 h
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Standby time 3G-450 h
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Standby time 4G-320 h
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