Digma Optima Prime 4 3G vs Ulefone Armor 8
Digma Optima Prime 4 3G
Ulefone Armor 8
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 850, 900, 1700(AWS), 1900, 2100
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HSDPA speed-42.2 Mbps
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HSUPA speed-11.5 Mbps
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LTE speed-LTE-A Cat7, 300 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42020-08
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Status2018-42020-08
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Design
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BuildPlasticFront glass, aluminum back with rubber, aluminum frame
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height107.8 mm166 mm
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Width188 mm81.8 mm
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Thickness10 mm15 mm
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Weight270 g282 g
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Waterproof-Yes, IP68(1.5m and 30 minutes)
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Dust proof-Yes, IP68
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MIL-STD-810G-Yes
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ColorsBlackBlack, Orange, Red
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Display
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Display typeTNIPS LCD capacitive touchscreen
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Physical size7 inches6.1 inches
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Resolution1024 x 600 pixels720 x 1560 pixels
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Pixel density170 ppi282 ppi
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Display colors1677721616777216
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Quad-core 2.0 GHz Cortex-A73
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CPU(second)quad-core 2.0 GHz Cortex-A53
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ChipsetSpreadtrum SC7731CMediatek MT6771 Helio P60
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GPUMali-400 MP1Mali-G72 MP3
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Memory RAM1 GB4 GB
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Internal storage8 GB64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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OS
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OSAndroid 7.0 NougatAndroid 10.0
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Selfie camera
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Selfie camera0.31 MP8 MP, f/2.2
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Selfie camera resolution640 x 480 pixels3264 x 2448 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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RadioFM RadioFM radio, RDS, recording
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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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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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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BDS-Yes
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Features
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SensorsAccelerometerAccelerometer, barometer, compass, coulombmeter, fingerprint, gyroscope, 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 capacity2200 mAh5580 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Talk time 4G-16 h
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Standby time 4G-570 h
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Main camera
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Camera type-Triple
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Main camera16 MP, f/2.2
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5 MP, f/2.4
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2 MP, f/2.2
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Primary camera resolution-4608 x 3456 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Cost
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Price-140 USD
