Oppo A31 vs Xiaomi Redmi K50
Oppo A31
Xiaomi Redmi K50
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1(2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network-5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
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HSDPA speed42 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-ALTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-022022-03
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Status2020-022022-03
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Design
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BuildPlasticGlass front (Gorilla Glass Victus), glass back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.9 mm163.1 mm
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Width75.5 mm76.2 mm
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Thickness8.3 mm8.5 mm
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Weight180 g201 g
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Splash resistant-IP53
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Dust proof-IP53
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ColorsBlack, WhiteBlack, Blue, Gray, Green
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Display
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Display typeIPS capacitive touchscreenOLED
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Physical size6.5 inches6.67 inches
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Resolution720 x 1600 pixels1440 x 3200 pixels
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Pixel density270 ppi526 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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MultitouchYes-
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Display features-120Hz, Dolby Vision, HDR10+, 1200 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.3 GHz Cortex-A53Quad-core 2.85 GHz Cortex-A78
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CPU(second)quad-core 1.8 GHz Cortex-A53quad-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6765V/CB Helio P35MediaTek Dimensity 8100
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GPUPowerVR GE8320Mali-G610
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Memory RAM4 GB8, 12 GB
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Internal storage128 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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StorageeMMC 5.1UFS 3.1
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OS
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OSColorOS 6.1 (Android 9.0 Pie)Android 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera12 MP, f/1.848 MP, f/1.79 , (wide) , 1/2" , 0.8 µm
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2 MP, f/2.4 , 27 mm8 MP, (ultrawide) , 119˚
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2 MP, f/2.42 MP, f/2.4 , (macro)
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Primary camera resolution4096 x 3072 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30/60/120fps, 720p@960fps; 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, 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, flicker sensor
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP, f/2.020 MP, (wide)
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1/5.0" , 1.75 µm
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps1080p@30/120fps
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Sound
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3.5mm jackYesNo
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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 802.11a, 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, 802.11ax
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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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Bluetoothv5.0v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-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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GALILEO-Yes
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BDSYesYes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, light, proximityAccelerometer, color spectrum, 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 mAh5500 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 3+, 67W (80% in 30 min)
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Cost
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Price200 USD380 USD
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Tests and performance
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Antutu-824571 (v9)
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Geekbench(single-core)-928 (v5.2)
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Geekbench(multi-core)-3779 (v5.2)