UMIDIGI A3X vs alcatel Go Flip 4
UMIDIGI A3X
alcatel Go Flip 4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G networkW-CDMA 850, 900, 1700, 1900, 2100HSDPA 850, 1700(AWS), 1900
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)LTE frequency band 2, 4, 5, 12, 25, 26, 41, 66, 71
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LTE speedLTE Cat 4, 150 Mbps download, 51 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-112021-09
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Status2019-112021-09
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Design
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BuildMetal, glass-
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SIMDual SIM (Nano-SIM, dual SIM stand-by)Nano-SIM
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Height147.2 mm107.3 mm
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Width70.2 mm55.6 mm
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Thickness8.7 mm19.9 mm
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Weight184 g133 g
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ColorsGreen, GreyBlue
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Display
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Display typeIPS capacitive touchscreenTN TFT LCD
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Physical size5.7 inches2.8 inches
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Resolution720 x 1512 pixels240 x 320 pixels
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Pixel density294 ppi143 ppi
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Display colors16777216-
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Protection2.5D curved glass screen, Scratch resistant-
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MultitouchYes-
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Additional display-TN TFT
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Resolution of additional display-128 x 128 pixels
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Size of additional display-1.44 inches
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Hardware
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A53
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ChipsetMediatek Helio A22QM215 Snapdragon 215
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GPUPowerVR GE8300Adreno 308
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Memory RAM3 GB512 MB
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Internal storage16 GB4 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max128 GB-
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OS
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OSAndroid 10KaiOS 3.0
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Main camera
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Camera typeDualSingle
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Main camera16 MP, f/2.0 , 0.26" , 1.132 µm2 MP
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16 MP
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5 MP
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Primary camera resolution4608 x 3456 pixels-
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Primary camera video1080p@30fps480p@30fps
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Primary camera flashdual LED flash-
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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-mode, phase detection-
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Selfie camera
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Selfie camera13 MP, f/2.0
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Selfie camera resolution4160 x 3120 pixels-
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Selfie camera video1080p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYes-
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth HIDYes-
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bluetooth LEYes-
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NFC-No
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GPSYes, with A-GPSYes
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GLONASSYes-
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GALILEOYes-
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BeidouYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, light-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3300 mAh1850 mAh
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Battery removableNon-removableRemovable
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Cost
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Price80 USD75 USD
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SAR value
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SAR(head)-0.78 W/kg
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SAR(body)-1.27 W/kg