Digma Optima Prime 4 3G vs vivo V15 Pro
Digma Optima Prime 4 3G
vivo V15 Pro
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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 network-LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800)
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LTE speed-LTE, Cat12, 603 Mbps download, 102 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-2
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Status2018-42019-3
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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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Height107.8 mm157.3 mm
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Width188 mm74.7 mm
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Thickness10 mm8.2 mm
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Weight270 g185 g
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ColorsBlackBlue, Red
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Display
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Display typeTNSuper AMOLED capacitive touchscreen
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Physical size7 inches6.39 inches
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Resolution1024 x 600 pixels1080 x 2316 pixels
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Pixel density170 ppi400 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Display features-DCI-P3
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.2 GHz Cortex-A7Dual-core 2.0 GHz Kryo 460 Gold
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CPU(second)Hexa-core 1.7 GHz Kryo 460 Silver
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ChipsetSpreadtrum SC7731CQualcomm SDM675 Snapdragon 675
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GPUMali-400 MP1Adreno 612
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Memory RAM1 GB6, 8 GB
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Internal storage8 GB128 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 NougatFuntouch 9 (Android 9.0 Pie)
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Selfie camera
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Selfie camera0.31 MP32 MP, f/2.0
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Selfie camera resolution640 x 480 pixels6560 x 4928 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 RadioNo
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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, 802.11ac
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyro, 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 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Main camera
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Camera type-Triple
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Main camera48 MP, f/1.8 , 1/2" , 0.8 µm
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8 MP, 13 mm
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5 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video-2160p@30fps, 1080p@30fps
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Primary camera flash-LED flash
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Primary camera phase detection autofocus-phase detection autofocus
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Camera features-Autofocus, 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
