Samsung Galaxy A15 vs Xiaomi Redmi K40
Samsung Galaxy A15
Xiaomi Redmi K40
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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, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 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 speedLTELTE-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 announced2023-122021-02
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Status2023-122021-03
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Design
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BuildGlass front, plastic back, plastic frameGlass, Metal
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SIMSingle SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height160.1 mm163.7 mm
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Width76.8 mm76.4 mm
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Thickness8.4 mm7.8 mm
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Weight200 g196 g
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ColorsBlack, Magical Blue, Optimistic Blue, Personality YellowAurora, Black, White
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Display
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Display typeSuper AMOLEDSuper AMOLED
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Physical size6.5 inches6.67 inches
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Resolution1080 x 2340 pixels1080 x 2400 pixels
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Pixel density396 ppi395 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features90Hz, 800 nits (HBM)120Hz, 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 2.2 GHz Cortex-A76Single-core 3.2 GHz Kryo 585
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetMediaTek Helio G99Qualcomm SM8250-AC Snapdragon 870 5G
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GPUMali-G57 MC2Adreno 650
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Internal storage128, 256 GB128, 256 GB
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Memory RAM4, 6, 8 GB6, 8, 12 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max1 TB-
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Storage-UFS 3.1
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OS
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OSAndroid 14, One UI 6Android 11, MIUI 12
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 50 MP, f/1.8(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm
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(ultrawide) , 5 MP, f/2.2(ultrawide) , 8 MP, f/2.2 , 119˚
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(macro) , 2 MP, f/2.4(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution8190 x 6120 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-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 autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 13 MP, f/2.0(wide) , 20 MP, 1/3.4" , 0.8 µm
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Selfie camera resolution4160 x 3120 pixels5184 x 3880 pixels
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Selfie camera featuresFace detection, HDR, face unlockFace 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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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi Hotspot-Yes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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USBType-C 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv5.3v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYes (market dependent)Yes
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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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BDSYesYes
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QZSSYesYes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, virtual proximity sensingAccelerometer, 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 capacity5000 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 25WQuick Charge 3.0 (100% in 52 min)
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Talk time 4G44 h-
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Tests and performance
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Antutu420000 (v10)673599 (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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SAR value
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SAR EU(head)0.42 W/kg-
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SAR EU(body)1.29 W/kg-
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Cost
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Price165 USD470 USD
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Multimedia
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Radio-No