Digma Optima 7018N 4G vs vivo NEX S
Digma Optima 7018N 4G
vivo NEX S
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
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3G networkHSDPA 1900HSDPA 850, 900, 1700(AWS), 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(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps uploadLTE, Cat16, 1 Gbps download, 150 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42018-6
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Status2018-42018-6
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Design
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BuildPlasticAluminium alloy, polycarbonate
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height109 mm162 mm
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Width190 mm77 mm
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Thickness9.2 mm7.98 mm
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Weight270 g199 g
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ColorsBlackBlack, Blue, Red
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Display
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Display typeIPSAMOLED
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Physical size7 inches6.59 inches
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Resolution1024 x 600 pixels1080 x 2316 pixels
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Pixel density170 ppi388 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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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 2.8 GHz Kryo 385
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CPU(second)quad-core 1.8 GHz Kryo 385
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ChipsetMediaTek MT8735VQualcomm Snapdragon 845
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GPUMali-T720 MP2Qualcomm Adreno 630
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Internal storage16 GB128, 256 GB
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Memory RAM2 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXC-
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Memory card max64 GB-
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OS
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OSAndroid 7.0 NougatAndroid 8.1 Oreo
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Main camera
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Camera type-Dual
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Main camera2 MP12 MP, f/1.8 , 1/2.55" , 1.4 µm
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5 MP, f/2.4
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Primary camera resolution1600 x 1200 pixels4032 x 3024 pixels
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Primary camera video720p@30fps2160p@30fps
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Primary camera flash-dual-LED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, scene modeAutofocus, continuous shooting, digital zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Selfie camera0.31 MP8 MP, f/2.0
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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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EarpieceYes-
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Multimedia
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Radio-No
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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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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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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, ultrasonic
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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-Quick Charge 4+