Energizer E284S vs Xiaomi Redmi K40
Energizer E284S
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, 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 speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speed-LTE-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 announced2022-122021-02
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Status2022-032021-03
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Design
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Build-Glass, Metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height137.6 mm163.7 mm
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Width62.5 mm76.4 mm
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Thickness15.6 mm7.8 mm
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Weight131 g196 g
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ColorsBlack, Blue, Green, RedAurora, Black, White
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Display
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Display typeTFT LCDSuper AMOLED
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Physical size2.8 inches6.67 inches
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Resolution240 x 320 pixels1080 x 2400 pixels
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Pixel density143 ppi395 ppi
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Display colors-16777216
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Protection-Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features-120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen
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Hardware
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CPU-Octa-core
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CPU1.0 GHz3.2 GHz Single-core Kryo 585
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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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ChipsetUnisoc T117Qualcomm SM8250-AC Snapdragon 870 5G
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GPU-Adreno 650
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Memory RAM64 MB6, 8, 12 GB
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Internal storage128 MB128, 256 GB
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Memory cardmicroSD, microSDHCNo
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StorageeMMCUFS 3.1
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Main camera
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Camera typeSingleTriple
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Main camera2 MP48 MP, (wide) , f/1.8 , 26 mm, 1/2" , 0.8 µm
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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 resolution-8000 x 6000 pixels
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Primary camera videoYes4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
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Primary camera flashLED flashLED flash
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Camera features-Autofocus, 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) , 20 MP, 1/3.4" , 0.8 µm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera features-Face unlock, HDR
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Selfie camera video-1080p@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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Earpiece-Yes
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANYesWi-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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSBType-C 2.0
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USB On-The-Go-Yes
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Bluetoothv2.1v5.1
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Infrared-Yes
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NFCNoYes
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GPSNoYes, with dual-band A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity2000 mAh4520 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Quick Charge 3.0 (100% in 52 min)
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Cost
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Price55 USD470 USD
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OS
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OS-Android 11, MIUI 12
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Features
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Sensors-Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
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Browser
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HTML-HTML5
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Tests and performance
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Antutu-673599 (v8)
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Geekbench(single-core)-928 (v5.2)
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Geekbench(multi-core)-3260 (v5.2)