Xiaomi Redmi K40 Gaming
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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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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LTE speedLTE-A
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2021-04
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Status2021-04
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
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SIMDual SIM (Nano-SIM, dual stand-by)
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Height161.9 mm
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Width76.9 mm
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Thickness8.3 mm
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Weight205 g
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WaterproofIP53
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Dust proofIP53
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Build featuresPhysical pop-up gaming triggers
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ColorsBlack, Gray, Silver, Yellow
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Display
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Display typeOLED
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Physical size6.67 inches
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Resolution1080 x 2400 pixels
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Pixel density395 ppi
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Display colors1073741824
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz, HDR10+, 500 nits (typ)
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Hardware
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CPUOcta-core
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CPUSingle-core 3.0 GHz Cortex-A78
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CPU(second)Triple-core 2.6 GHz Cortex-A78
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CPU(third)Quad-core 2.0 GHz Cortex-A55
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ChipsetMediaTek MT6893 Dimensity 1200 5G
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GPUMali-G77 MC9
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Memory RAM6, 8, 12 GB
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Internal storage128, 256 GB
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Memory cardNo
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StorageUFS 3.1
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OS
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OSAndroid 11, MIUI 12.5
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Main camera
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Camera typeTriple
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Main camera(wide), 64 MP, f/1.7, 26 mm, 1/2", 0.7 µm
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(ultrawide), 8 MP, f/2.2, 120˚
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(macro), 2 MP, f/2.4
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Primary camera resolution9280 x 6920 pixels
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Primary camera video4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
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Primary camera 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 autofocus
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Selfie camera
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Selfie camera typeSingle
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Selfie camera16 MP
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Selfie camera resolution4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDR
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Selfie camera video1080p@30fps, 720p@120fps
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Sound
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3.5mm jackNo
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LoudspeakerYes, with stereo speakers
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EarpieceYes
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Multimedia
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RadioNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYes
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WLAN WiFi DirectYes
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WLAN WiFi Dual BandYes
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USBType-C 2.0
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USB On-The-GoYes
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Bluetoothv5.2
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Bluetooth A2DPYes
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bluetooth LEYes
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InfraredYes
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NFCYes
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GPSYes, with dual-band A-GPS
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GLONASSYes
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GALILEOYes
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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, barometer, color spectrum, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLHTML5
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Battery
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Battery typeLi-Po
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Battery capacity5065 mAh
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Battery removableNon-removable
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Fast battery chargingQuick Charge 3+ (100% in 42 min)
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Tests and performance
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Antutu724495 (v9)
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Geekbench(single-core)874 (v5.2)
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Geekbench(multi-core)3574 (v5.2)
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Cost
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Price470 USD