Digma Optima 7018N 4G vs UMIDIGI A3S
Digma Optima 7018N 4G
UMIDIGI A3S
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900W-CDMA 850, 900, 1700, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE 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)
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE Cat 4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-11
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Status2018-42019-11
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Design
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BuildPlasticMetal, glass
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height109 mm153.7 mm
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Width190 mm72.9 mm
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Thickness9.2 mm8.45 mm
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Weight270 g197 g
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ColorsBlackGreen, Grey
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size7 inches5.7 inches
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Resolution1024 x 600 pixels720 x 1440 pixels
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Pixel density170 ppi282 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Scratch resistant
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.0 GHz Cortex-A53Quad-core 2.0 GHz Cortex-A53
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ChipsetMediaTek MT8735VMediaTek Helio A22 (MT6761)
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GPUMali-T720 MP2PowerVR GE8300
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Memory RAM2 GB2 GB
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Internal storage16 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB128 GB
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OS
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OSAndroid 7.0 NougatAndroid 10
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Main camera
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Camera type-Dual
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Main camera2 MP16 MP, f/2.0 , 0.26" , 1.132 µm
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5 MP
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Primary camera resolution1600 x 1200 pixels4608 x 3456 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flash-dual LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, scene modeAutofocus, 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 autofocus
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Selfie camera
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Selfie camera0.31 MP13 MP, f/2.0
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Selfie camera resolution640 x 480 pixels4160 x 3120 pixels
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Selfie camera video480p@30fps MP1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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Radio-FM Radio
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth HID-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, proximity, light
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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 capacity2500 mAh3950 mAh
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Battery removableNon-removableNon-removable
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Cost
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Price-70 USD