LG Q9 vs Realme C21
LG Q9
Realme C21
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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, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900)LTE frequency band 1, 3, 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, Cat12, 603 Mbps download, 102 Mbps uploadLTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2019-12021-03
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Status2019-72021-03
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Design
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BuildGlass, MetalGlass front, plastic back, plastic frame
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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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Height153.2 mm165.2 mm
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Width71.9 mm76.4 mm
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Thickness7.9 mm8.9 mm
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Weight159 g190 g
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WaterproofIP68, 1.5m for 30 mins-
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Dust proofIP68-
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MIL-STD-810GYes-
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ColorsBlack, Blue, RedBlack, Blue
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size6.1 inches6.5 inches
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Resolution1440 x 3120 pixels720 x 1600 pixels
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Pixel density564 ppi270 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
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MultitouchYes-
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Display featuresAlways-on display, HDR10-
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Hardware
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CPUQuad-coreOcta-core
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CPUDual-core 2.15 GHz KryoQuad-core 2.3 GHz Cortex-A53
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CPU(second)dual-core 1.6 GHz Kryoquad-core 1.8 GHz Cortex-A53
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ChipsetQualcomm MSM8996 Snapdragon 821MediaTek Helio G35
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GPUAdreno 530PowerVR GE8320
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Memory RAM4 GB3, 4 GB
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Internal storage64 GB32, 64 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB256 GB
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Storage-eMMC 5.1
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OS
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OSAndroid 8.1 OreoAndroid 10, Realme UI 1.0 / Android 11, Realme UI 2.0
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Main camera
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Camera type-Triple
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Main camera16 MP, f/2.2 , 28 mm13 MP, f/2.2 , 26 mm, (wide) , 1/3.06" , 1.12 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution4608 x 3456 pixels2560 x 1920 pixels
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Primary camera video2160p@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, 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, macro modeAutofocus, 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 type-Single
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Selfie camera8 MP, f/1.9 , 26 mm5 MP, f/2.2 , (wide) , 1/5.0" , 1.12 µm
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Selfie camera resolution3264 x 2448 pixels2560 x 1920 pixels
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Selfie camera features-Face unlock, HDR, panorama
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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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Radio-FM Radio
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Radio FMFM radio with RDS-
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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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-GoYesYes
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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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BDSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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-IonLi-Po
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Battery capacity3000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0Yes
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Reverse charging-Yes
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Tests and performance
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Antutu-110490 (v8)
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Geekbench(single-core)-174 (v5.2)
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Geekbench(multi-core)-982 (v5.2)
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Cost
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Price-130 USD
