Digma Optima Prime 4 3G vs Sharp Aquos R3
Digma Optima Prime 4 3G
Sharp Aquos R3
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 1900HSDPA 900, 2100
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4G network-LTE frequency band 1, 3, 7, 8, 28, 38
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-A (3CA), Cat15, 1024 Mbps download, 50 upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-42019-08
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Status2018-42019-08
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Design
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BuildPlasticAluminium alloy, glass
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SIMDual SIM (Micro-SIM/Mini-SIM, dual stand-by)Nano-SIM
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Height107.8 mm156 mm
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Width188 mm74 mm
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Thickness10 mm8.9 mm
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Weight270 g185 g
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Waterproof-IPX5/IP6X/IPX8 (1.5m and 30 mins)
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Dust proof-IPX5/IP6X/IPX8
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ColorsBlackBlack
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Display
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Display typeTNIGZO IPS LCD
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Physical size7 inches6.2 inches
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Resolution1024 x 600 pixels1440 x 3120 pixels
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Pixel density170 ppi554 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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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-A7Single-core 2.84 GHz Kryo 485
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CPU(second)Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetSpreadtrum SC7731CQualcomm SM8150 Snapdragon 855
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GPUMali-400 MP1Adreno 640
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Memory RAM1 GB6 GB
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Internal storage8 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDXC
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Memory card max64 GB-
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OS
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OSAndroid 7.0 NougatAndroid 9.0 Pie
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Selfie camera
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Selfie camera type-Single
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Selfie camera0.31 MP16 MP, f/2.0
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Selfie camera resolution640 x 480 pixels4608 x 3456 pixels
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Selfie camera features-Face unlock
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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, with stereo speakers
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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, 802.11n 5Ghz, 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 2.0Type-C 3.0
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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 LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, 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 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Wireless charging-Yes
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Main camera
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Camera type-Dual
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Main camera(wide) , 12.2 MP, f/1.7 , 1/2.55" , 1.4 µm
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(ultrawide) , 20 MP, f/2.4 , 125˚
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Primary camera resolution-4032 x 3024 pixels
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Primary camera video-1080p@30fps
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Primary camera flash-dual-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical 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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Tests and performance
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Antutu-434000 (v8)
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Geekbench(single-core)-681 (v5.2)
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Geekbench(multi-core)-2663 (v5.2)
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Cost
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Price-750 USD
