Xiaomi Redmi K40 vs ZTE nubia Red Magic 3
Xiaomi Redmi K40
ZTE nubia Red Magic 3
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900, CDMA 800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 800, 850, 900, 1700/2100, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 30(2300), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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5G network5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-A, 1174 Mbps download, 210 Mbps uploadLTE Cat 18, 1.2 Gbps download, 221.0 Mbps upload
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GPRSYesYes
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EDGEClass 8Yes
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Availability
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Oficially announced2021-022019-5
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Status2021-032019-5
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Design
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BuildGlass, MetalAluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM)
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Height163.7 mm171.7 mm
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Width76.4 mm78.5 mm
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Thickness7.8 mm9.65 mm
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Weight196 g215 g
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Waterproof-IP55
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Dust proof-IP55
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ColorsAurora, Black, WhiteBlack, Red, Blue, Gray
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Display
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Display typeSuper AMOLEDAMOLED capacitive touchscreen
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Physical size6.67 inches6.65 inches
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Resolution1080 x 2400 pixels1080 x 2340 pixels
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Pixel density395 ppi388 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5Scratch resistant
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Multitouch-Yes
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Display features120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screenHDR10, 90Hz refresh rate, DC dimming
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.2 GHz Kryo 585Single-core 2.84 GHz Kryo 485
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CPU(second)Triple-core 2.42 GHz Kryo 585Triple-core 2.42 GHz Kryo 485
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CPU(third)Quad-core 1.80 GHz Kryo 585Quad-core 1.8 GHz Kryo 485
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GQualcomm SDM855 Snapdragon 855
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GPUAdreno 650Adreno 640
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Memory RAM6, 8, 12 GB6, 8, 12 GB
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Internal storage128, 256 GB64, 128, 256 GB
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Memory cardNo-
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StorageUFS 3.1UFS 2.1
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OS
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OSAndroid 11, MIUI 12nubia Red Magic 2.0 (Android 9.0 Pie)
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Main camera
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Camera typeTripleSingle
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Main camera(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm48 MP, f/1.7 , 26 mm, 1/2" , 0.8 µm
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(ultrawide) , 8 MP, f/2.2 , 119˚
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(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution8000 x 6000 pixels8000 x 6000 pixels
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Primary camera video4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS2160p@60fps, 1080p@240fps, gyro-EIS
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Primary camera flashLED flashdual LED 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, laser autofocus, contrast autofocus
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 20 MP, 1/3.4" , 0.8 µm16 MP, 2.0 µm, f/2.0 , 26 mm
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Selfie camera resolution5184 x 3880 pixels4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDR-
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Selfie camera video1080p@30fps, 720p@120fps4320p@30fps, 2160@60fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioNoYes
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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 1.0 reversible connector
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USB On-The-GoYesYes
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Bluetoothv5.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYesYes
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NFCYes-
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GPSYes, with dual-band A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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Beidou-Yes
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BDSYes-
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QZSSYes-
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NavICYes-
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Features
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SensorsAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, gyroscope, proximity, light
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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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0 (100% in 52 min)Yes
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Tests and performance
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Antutu673599 (v8)-
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Geekbench(single-core)928 (v5.2)-
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Geekbench(multi-core)3260 (v5.2)-
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Cost
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Price470 USD-