OnePlus 8 vs Xiaomi Redmi K40S
OnePlus 8
Xiaomi Redmi K40S
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMAGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 46, 66 - EU; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 - North America; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - India; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - ChinaLTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 3, 7, 28, 78 SA/NSA - EU; 2, 5, 41, 66, 71 SA/NSA - North America; 41, 78, 79 SA/NSA - China; 78 SA/NSA - India5G 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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EV-DO speed3.1 Mbps download, 1.8 Mbps upload-
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LTE speedLTE-A (5CA) Cat 18, 1200 Mbps download, 150 Mbps uploadLTE-A
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5G speed7.5 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-042022-03
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Status2020-042022-03
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.2 mm163.2 mm
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Width72.9 mm76 mm
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Thickness8 mm7.7 mm
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Weight180 g195 g
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WaterproofIP68-
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Splash resistant-Yes
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Dust proofIP68-
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ColorsBlack, Glow, Green, SilverBlack, Blue, Gray, Green
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Display
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Display typeFluid AMOLED capacitive touchscreenAMOLED
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Physical size6.55 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density402 ppi395 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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Display featuresHDR10+, 90 Hz refresh rate120Hz, HDR10+, 1300 nits (peak)
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 585Single-core 3.2 GHz Kryo 585
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CPU(second)Triple-core 2.42 GHz Kryo 585Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.8 GHz Kryo 585Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM8250 Snapdragon 865Qualcomm SM8250-AC Snapdragon 870 5G
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GPUAdreno 650Adreno 650
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Memory RAM8, 12 GB6, 8, 12 GB
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Internal storage128, 256 GB128, 256 GB
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Memory cardNoNo
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StorageUFS 3.0, 2-LANEUFS 3.1
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OS
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OSOxygenOS 10.0(Android 10)Android 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera48 MP, f/1.8 , 25 mm, 1/2.0" , 0.8 µm48 MP, f/1.8 , 1/2" , 0.8 µm, (wide)
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16 MP, f/2.2 , 14 mm8 MP, (ultrawide) , 119˚
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2 MP, f/2.42 MP, f/2.4 , (macro)
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Primary camera resolution8000 x 6000 pixels8000 x 6000 pixels
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Primary camera video4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
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Primary camera flashdual LED flashdual-LED dual-tone flash
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Camera featuresAutofocus, 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, contrast detection autofocus, laser autofocus, RAWAutofocus, 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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Selfie camera
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Selfie camera type-Single
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Selfie camera16 MP, f/2.0 , 1/3.06" , 1.0 µm20 MP, (wide)
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Selfie camera resolution4640 x 3456 pixels-
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps, gyro-EIS1080p@30/120fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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EarpieceYesYes
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Headphone adapterYes-
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-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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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.1v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BeidouYes-
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BDS-Yes
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QZSS-Yes
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SBASYes-
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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 capacity4300 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingWarp charge 30T (50% in 22 min)Quick Charge 3+, 67W (100% in 38 min)
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Tests and performance
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Antutu-715000 (v9)
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Geekbench(single-core)-983 (v5.2)
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Geekbench(multi-core)-3362 (v5.2)
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Cost
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Price-290 USD