Infinix Smart HD 2021 vs Xiaomi Redmi 9
Infinix Smart HD 2021
Xiaomi Redmi 9
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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, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 8, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-122020-06
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Status2020-122020-06
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Design
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BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158.3 mm163.3 mm
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Width75.2 mm77 mm
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Thickness9.8 mm9.1 mm
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Weight195 g198 g
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ColorsBlack, Blue, GreenBlue/Pink, Gray, Green, Purple
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Display
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Display typeIPS LCDIPS LCD capacitive touchscreen
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Physical size6.1 inches6.53 inches
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Resolution720 x 1560 pixels1080 x 2340 pixels
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Pixel density282 ppi395 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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Display features500 nits (typ)-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.8 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A75
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CPU(second)Hexa-core 1.8 GHz Cortex-A55
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ChipsetMediatek MT6761D Helio A20Mediatek Helio G80
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GPUPowerVR GE8320Mali-G52 MC2
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Memory RAM2 GB3, 4, 6 GB
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Internal storage32 GB32, 64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB-
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StorageeMMC 5.1eMMC 5.1
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OS
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OSAndroid 10 Go Edition, XOS 6.2MIUI 11 (Android 10)
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Main camera
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Camera typeDualQuad
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Main camera8 MP, f/2.013 MP, f/2.2 , 28 mm, 1/3.1" , 1.12 µm
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8 MP, f/2.2 , 1/4.0" , 1.12 µm
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5 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution3264 x 2448 pixels4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocusAutofocus, digital zoom, digital 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 camera5 MP, f/2.08 MP, f/2.0 , 28 mm
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Selfie camera resolution3648 x 2448 pixels3264 x 2448 pixels
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Selfie camera featuresFace unlock-
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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 RadioWireless FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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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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Infrared-Yes
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NFCNo-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, compass, fingerprint, 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 mAh5020 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Qualcomm Quick Charge 3.0
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Talk time 3G33 h-
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Standby time 3G840 h-
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DxOMark autonomy-55
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DxOMark charging-51
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DxOMark efficiency-55
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DxOMark battery score-54
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Tests and performance
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Antutu50300 (v8)-
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Geekbench(single-core)132 (v5.2)-
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Geekbench(multi-core)450 (v5.2)-
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SAR value
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SAR(head)0.53 W/kg-
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SAR(body)1.22 W/kg-
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Cost
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Price90 USD120 USD
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