Samsung Galaxy A40 vs Xiaomi Redmi K40 Pro+
Samsung Galaxy A40
Xiaomi Redmi K40 Pro+
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
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5G network-5G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
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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 (2CA), Cat12, 600 Mbps download, 150 Mbps uploadLTE-A, 1174 Mbps download, 210 Mbps upload
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GPRSYesYes
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EDGEYesClass 8
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Availability
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Oficially announced2019-32021-02
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Status2019-42021-03
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Design
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BuildPlasticGlass, Metal
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height144.4 mm163.7 mm
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Width69.2 mm76.4 mm
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Thickness7.9 mm7.8 mm
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Weight140 g196 g
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Splash resistant-IP53
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Dust proof-IP53
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ColorsBlack, Blue, Coral, WhiteAurora, Black, White
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Display
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Display typeSuper AMOLED capacitive touchscreenSuper AMOLED
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Physical size5.9 inches6.67 inches
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Resolution1080 x 2340 pixels1080 x 2400 pixels
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Pixel density437 ppi395 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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MultitouchYes-
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Display featuresAlways-on display, HDR10120Hz, 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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CPUDual-core 1.8 GHz Cortex-A73Single-core 2.84 GHz Kryo 680
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CPU(second)Hexa-core 1.6 GHz Cortex-A53Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetSamsung Exynos 7 Octa 7904Qualcomm SM8350 Snapdragon 888
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GPUMali-G71 MP2Adreno 660
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Internal storage64 GB256 GB
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Memory RAM4 GB12 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 9.0 PieAndroid 11, MIUI 12
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Main camera
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Camera typeDualTriple
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Main camera16 MP, f/1.7108 MP, f/1.8 , (wide) , 26 mm, 1/1.52" , 0.7 µm
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5 MP, f/2.28 MP, f/2.2 , (ultrawide) , 119˚
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(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution4608 x 3456 pixels9280 x 6920 pixels
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Primary camera video2160p@30fps8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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 photo-113
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DxOMark zoom-42
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DxOMark video-102
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DxOMark camera score-108
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Selfie camera
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Selfie camera type-Single
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Selfie camera25 MP, f/2.020 MP, (wide) , 1/3.4" , 0.8 µm
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Selfie camera resolution5984 x 4140 pixels5184 x 3880 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-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-Go-Yes
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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with dual-band 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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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyro, proximityAccelerometer, barometer, 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 capacity3100 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 3.0 (100% in 52 min)
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Tests and performance
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Antutu-727466 (v8)
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Cost
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Price-770 USD