Digma Optima 7018N 4G vs Xiaomi Redmi Note 7S
Digma Optima 7018N 4G
Xiaomi Redmi Note 7S
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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, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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HSDPA speed-42 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE Cat 18, 1.2 Gbps download, 221 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-5
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Status2018-42019-5
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Design
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BuildPlasticGlass, plastic
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM/microSD)
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Height109 mm159.21 mm
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Width190 mm75.21 mm
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Thickness9.2 mm8.1 mm
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Weight270 g186 g
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ColorsBlackBlack, Blue, Red
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Display
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Display typeIPSIPS capacitive touchscreen
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Physical size7 inches6.3 inches
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Resolution1024 x 600 pixels1080 x 2340 pixels
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Pixel density170 ppi409 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5, LTPS (Low Temperature PolySilicon)
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.0 GHz Cortex-A53Quad-core 2.2 GHz Kryo 260
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CPU(second)quad-core 1.84 GHz Kryo 260
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ChipsetMediaTek MT8735VQualcomm Snapdragon 660 MSM8976 Plus
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GPUMali-T720 MP2Adreno 512
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Memory RAM2 GB3, 4 GB
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Internal storage16 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max64 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 7.0 NougatMIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera type-Dual
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Main camera2 MP48 MP, f/1.8 , 1/2" , 0.8 µm
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5 MP, f/2.2 , 1.12 µm
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Primary camera resolution1600 x 1200 pixels8000 x 6000 pixels
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Primary camera video720p@30fps1080p@120fps
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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, RAW, phase detection
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Selfie camera
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Selfie camera0.31 MP13 MP, f/2 , 28 mm, 0.23" , 1.124 µm
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Selfie camera resolution640 x 480 pixels4224 x 3136 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-Yes
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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 2.0Type-C reversible connector
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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 LE-Yes
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Infrared-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, light, 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 capacity2500 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Qualcomm Quick Charge 4.0
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Talk time 2G-23 h
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Talk time 3G-23 h
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Standby time 2G-251 h
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Standby time 3G-251 h