Oppo A8 vs Oppo K9x
Oppo A8
Oppo K9x
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 2100HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1(2100), 5(850), 7(2600), 8(900), 39(1900), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 28, 41, 77, 78 SA/NSA
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-ALTE-A, 750 Mbps download, 211 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-122021-12
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Status2019-122021-12
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Design
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BuildPlasticPlastic, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.9 mm162.2 mm
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Width75.5 mm74.8 mm
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Thickness8.3 mm8.8 mm
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Weight180 g194 g
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ColorsBlack, GreenBlack, Blue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD
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Physical size6.5 inches6.49 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density270 ppi405 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 2.5D curved glass screen, Aluminosilicate glass
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MultitouchYes-
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Display features-90Hz, 480 nits (typ), 600 nits (HBM)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Dual-core 2.4 GHz Cortex-A76
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CPU(second)quad-core 1.8 GHz Cortex-A53Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6765 Helio P35MediaTek Dimensity 810 5G
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GPUPowerVR GE8320Mali-G57 MC2
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Memory RAM4 GB6, 8 GB
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Internal storage128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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Storage-UFS 2.2
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 11, ColorOS 11.1
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Main camera
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Camera typeTripleTriple
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Main camera12 MP, f/1.864 MP, f/1.7 , (wide) , 81˚ , 26 mm, 1/1.97" , 0.7 µm, 20x digital zoom
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2 MP, f/2.4 , 1/5" , 1.75 µm2 MP, f/2.4 , 1/5" , 1.75 µm, (macro) , 89˚
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2 MP, f/2.4 , 1/5" , 1.75 µm2 MP, f/2.4 , 1/5" , 1.75 µm, 89˚ , (depth)
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Primary camera resolution4032 x 3120 pixels9280 x 6920 pixels
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Primary camera video1080p@30fps1080p@30fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocusAutofocus, 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, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP, f/216 MP, f/2.0 , (wide) , 79˚ , 1/3.0" , 1.0 µm
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Selfie camera resolution3264 x 2448 pixels4640 x 3456 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps1080p@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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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 DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-Yes
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximity, lightAccelerometer, 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 capacity4230 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-VOOC 4.0, 33W (50% in 27 min)
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Reverse charging-Yes
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Cost
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Price170 USD220 USD
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Tests and performance
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Antutu-470000 (v9)
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Geekbench(single-core)-587 (v5.2)
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Geekbench(multi-core)-1759 (v5.2)
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