Xiaomi Redmi K40 Pro+ vs vivo S9
Xiaomi Redmi K40 Pro+
vivo S9
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
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5G network5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub65G band 1, 3, 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-A, 1174 Mbps download, 210 Mbps uploadLTE-A
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GPRSYesYes
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EDGEClass 8Yes
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Availability
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Oficially announced2021-022021-03
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Status2021-032021-03
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Design
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BuildGlass, MetalPlastic, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.7 mm158.4 mm
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Width76.4 mm73.9 mm
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Thickness7.8 mm7.4 mm
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Weight196 g173 g
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Splash resistantIP53-
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Dust proofIP53-
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ColorsAurora, Black, WhiteBlack, Blue, White
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Display
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Display typeSuper AMOLEDAMOLED
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Physical size6.67 inches6.44 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density395 ppi409 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen
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Display features120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 680Quad-core 2.6 GHz Cortex-A78
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CPU(second)Triple-core 2.42 GHz Kryo 680quad-core 2.0 GHz Cortex-A55
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888MediaTek MT6891Z Dimensity 1100 5G
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GPUAdreno 660Mali-G77 MC9
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Internal storage256 GB128, 256 GB
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Memory RAM12 GB8, 12 GB
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Memory cardNoNo
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StorageUFS 3.1UFS 3.1
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OS
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OSAndroid 11, MIUI 12Android 11, OriginOS 1.0
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 108 MP, f/1.8 , 26 mm, 1/1.52" , 0.7 µm(wide) , 64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm
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(ultrawide) , 8 MP, f/2.2 , 119˚(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
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(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm(depth) , 2 MP, f/2.4
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Primary camera resolution9280 x 6920 pixels9280 x 6920 pixels
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Primary camera video8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera flashLED flashdual-LED dual-tone flash
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Camera featuresAutofocus, 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, phase detection autofocusAutofocus, 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, phase detection autofocus
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DxOMark photo113-
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DxOMark zoom42-
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DxOMark video102-
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DxOMark camera score108-
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Selfie camera
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Selfie camera typeSingleDual
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Selfie camera(wide) , 20 MP, 1/3.4" , 0.8 µm(wide) , 44 MP, f/2.0
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(ultrawide) , 8 MP, f/2.2 , 105˚
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Selfie camera resolution5184 x 3880 pixels-
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Selfie camera featuresFace unlock, HDRFace unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization
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Selfie camera video1080p@30fps, 720p@120fps4K@30fps, 1080p@30fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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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
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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 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD
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InfraredYes-
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NFCYesYes
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GPSYes, with dual-band A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYesYes
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BDSYesYes
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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity4520 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0 (100% in 52 min)Vivo FlashCharge(66% in 30 min)
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Talk time 4G-17.6 h
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Tests and performance
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Antutu727466 (v8)609479 (v8)
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Geekbench(single-core)-818 (v5.2)
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Geekbench(multi-core)-3238 (v5.2)
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Cost
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Price770 USD470 USD