Xiaomi Redmi K40 vs alcatel Smart Tab 7
Xiaomi Redmi K40
alcatel Smart Tab 7
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800N/A
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xN/A
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42N/A
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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, 1174 Mbps download, 210 Mbps upload-
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GPRSYesNo
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EDGEClass 8No
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Availability
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Oficially announced2021-022019-9
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Status2021-032019-9
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Design
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BuildGlass, MetalPlastic
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SIMDual SIM (Nano-SIM, dual stand-by)No
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Height163.7 mm176 mm
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Width76.4 mm126 mm
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Thickness7.8 mm12 mm
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Weight196 g268 g
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ColorsAurora, Black, WhiteBlack
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Display
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Display typeSuper AMOLEDTN TFT capacitive touchscreen
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Physical size6.67 inches7.0 inches
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Resolution1080 x 2400 pixels1024 x 600 pixels
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Pixel density395 ppi170 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5-
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Multitouch-Yes
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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-core-
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CPUSingle-core 3.2 GHz Kryo 585Quad-core 1.3 GHz Cortex-A53
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GMediatek MT8167D
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GPUAdreno 650PowerVR GE8300
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Memory RAM6, 8, 12 GB1.5 GB
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Internal storage128, 256 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-16 GB
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StorageUFS 3.1-
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OS
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OSAndroid 11, MIUI 12Android 9.0 Pie
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Main camera
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Camera typeTriple-
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Main camera(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm2 MP, f/2.4 , 1/5"
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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 pixels1920 x 1080 pixels
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Primary camera video4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS1080p@30fps
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Primary camera flashLED flashLED 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 camera(wide) , 20 MP, 1/3.4" , 0.8 µm2 MP, 1/5" , 1.65 µm, f/2.4
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Selfie camera resolution5184 x 3880 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 jackNoYes
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LoudspeakerYes, with stereo speakersYes
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EarpieceYesYes
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Multimedia
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RadioNoFM Radio
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYes-
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USBType-C 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv5.1v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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NFCYes-
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GPSYes, with dual-band A-GPSYes, with 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, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity4520 mAh2580 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0 (100% in 52 min)-
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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 USD90 USD
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