Samsung Galaxy A40 vs Xiaomi Redmi 9AT
Samsung Galaxy A40
Xiaomi Redmi 9AT
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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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, 20, 28, 38, 40, 41
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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
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-32020-09
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Status2019-42020-09
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Design
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BuildPlastic-
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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 mm164.9 mm
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Width69.2 mm77 mm
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Thickness7.9 mm9 mm
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Weight140 g194 g
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ColorsBlack, Blue, Coral, WhiteBlue, Gray, Green
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Display
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Display typeSuper AMOLED capacitive touchscreenIPS LCD
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Physical size5.9 inches6.53 inches
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Resolution1080 x 2340 pixels720 x 1600 pixels
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Pixel density437 ppi269 ppi
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Display colors1677721616777216
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MultitouchYes-
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Display featuresAlways-on display, HDR10400 nits (typ)
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 1.8 GHz Cortex-A73Quad-core 2.0 GHz Cortex-A53
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CPU(second)Hexa-core 1.6 GHz Cortex-A53quad-core 1.5 GHz Cortex-A53
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ChipsetSamsung Exynos 7 Octa 7904MediaTek Helio G25
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GPUMali-G71 MP2PowerVR GE8320
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Memory RAM4 GB2 GB
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Internal storage64 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB-
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Storage-eMMC 5.1
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OS
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OSAndroid 9.0 PieAndroid 10, MIUI 12
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Main camera
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Camera typeDualSingle
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Main camera16 MP, f/1.713 MP, f/2.2 , (wide) , 28 mm, 1.0 µm
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5 MP, f/2.2
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Primary camera resolution4608 x 3456 pixels-
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Primary camera video2160p@30fps1080p@30/60fps
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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-modeHDR
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Selfie camera
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Selfie camera type-Single
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Selfie camera25 MP, f/2.05 MP, f/2.2 , (wide) , 1.12 µm
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Selfie camera resolution5984 x 4140 pixels-
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Selfie camera features-HDR
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM RadioFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesNo
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BeidouYes-
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BDS-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyro, proximityAccelerometer, 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 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Tests and performance
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Antutu-102778 (v8)
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SAR value
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SAR(head)-0.87 W/kg
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SAR(body)-1.01 W/kg
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SAR EU(head)-0.78 W/kg
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SAR EU(body)-1.03 W/kg
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Cost
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Price-150 USD