Digma Optima 8027 3G vs Oppo K9
Digma Optima 8027 3G
Oppo K9
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G network-LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 28, 41, 77, 78 SA/NSA
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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, 1200 Mbps download, 210 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-42021-05
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Status2019-42021-05
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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)Dual SIM (Nano-SIM, dual stand-by)
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Height123 mm159.1 mm
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Width208 mm73.4 mm
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Thickness10 mm7.9 mm
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Weight320 g172 g
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ColorsBlackAurora, Black
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Display
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Display typeIPSSuper AMOLED
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Physical size8 inches6.43 inches
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Resolution1280 x 800 pixels1080 x 2400 pixels
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Pixel density189 ppi409 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen
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MultitouchYes-
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Display features-90Hz, 430 nits (typ), 750 nits (peak)
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Single-core 2.8 GHz Kryo 475 Prime
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CPU(second)Single-core 2.4 GHz Kryo 475 Gold
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetSpreadtrum SC7731EQualcomm SM7250-AC Snapdragon 768G 5G
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GPUMali-T820 MP1Adreno 620
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Memory RAM1 GB8 GB
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Internal storage16 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max128 GB-
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OS
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OSAndroid 8.1 Oreo Go EditionAndroid 11, ColorOS 11.1
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Main camera
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Camera type-Triple
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Main camera2 MP64 MP, (wide) , f/1.7 , 80˚ , 1/2.0" , 0.8 µm, 20x digital zoom
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(ultrawide) , 8 MP, f/2.2 , 119˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution1600 x 1200 pixels9280 x 6920 pixels
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Primary camera video720p@30fps4K@30fps, 1080p@30/60/120fps; gyro-EIS
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Primary camera flash-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, HDR, white balance settings, scene modeAutofocus, continuous autofocus, continuous shooting, digital 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, macro-mode, phase detection autofocus, contrast detection autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera0.31 MP32 MP, (wide) , f/2.4 , 80˚ , 0.8 µm
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Selfie camera resolution640 x 480 pixels6560 x 4928 pixels
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Selfie camera features-Face unlock, digital image stabilization
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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, 802.11n 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 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD
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NFC-No
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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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QZSS-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 capacity3500 mAh4300 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-VOOC 4.0 (100% in 35 min)
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Tests and performance
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Antutu-449750 (v8)
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Geekbench(single-core)-602 (v5.2)
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Geekbench(multi-core)-1877 (v5.2)
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Cost
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Price-310 USD
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