Asus Zenfone 9 vs Xiaomi Redmi K50 Ultra
Asus Zenfone 9
Xiaomi Redmi K50 Ultra
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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 800, 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - A version; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - B version; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 42, 66, 71 - C versionLTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 - A version; 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78 - B version; 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78 - C version5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
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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 (5CA), Cat20, 2000 Mbps download, 211 Mbps uploadLTE-A
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5G speed4.5 Gbps download, 0.9 Gbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-072022-08
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Status2022-082022-08
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Design
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BuildGlass front (Gorilla Glass Victus), polymer back, aluminum frameAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height146.5 mm163.1 mm
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Width68.1 mm75.9 mm
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Thickness9.1 mm8.6 mm
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Weight169 g202 g
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WaterproofIP68 (1.5m and 30 mins)-
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Dust proofIP68-
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ColorsBlack, Blue, Red, SilverBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeSuper AMOLEDOLED
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Physical size5.9 inches6.67 inches
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Resolution1080 x 2400 pixels1220 x 2712 pixels
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Pixel density445 ppi446 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display featuresAlways-on display, 120Hz, HDR10+, 1100 nits (peak)144Hz, HDR10+, Dolby Vision
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.19 GHz Cortex-X2Single-core 3.19 GHz Cortex-X2
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CPU(second)Triple-core 2.75 GHz Cortex-A710Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-A510Quad-core 1.8 GHz Cortex-510
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ChipsetQualcomm SM8475 Snapdragon 8+ Gen 1Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUAdreno 730Adreno 730
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Memory RAM8, 16 GB8, 12 GB
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Internal storage128, 256 GB128, 256, 512 GB
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Memory cardNoNo
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StorageUFS 3.1UFS 3.1
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OS
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OSAndroid 12, ZenUIAndroid 12, MIUI 13
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.9 , 84˚ , 23.8 mm, 1/1.56" , 1.0 µm(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(ultrawide) , 12 MP, f/2.2 , 113˚ , 14.4 mm, 1/2.93" , 1.4 µm(ultrawide) , 8 MP, f/2.2 , 120˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6120 pixels12000 x 9000 pixels
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Primary camera video8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR4K@30/60fps, 1080p@30/60/120/240/960fps
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, optical 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-mode, phase detection autofocus, laser autofocus, RAWAutofocus, continuous shooting, digital zoom, optical 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, flicker sensor
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(standard) , 12 MP, f/2.5 , 27.5 mm, 1/2.93" , 1.22 µm(wide) , 20 MP
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Selfie camera resolution4032 x 3024 pixels-
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Selfie camera featuresDual-pixel phase detection autofocus, face unlock, HDRHDR
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Selfie camera video4K@30fps, 1080p@30/60fps1080p@30/60fps, 720p@120fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual BandYesYes
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WLAN DLNAYes-
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USBType-C 3.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptXaptX HD, aptX Adaptive-
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Infrared-Yes
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NFCYesYes
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GPSYes, with A-GPSYes, with 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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NavICYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, 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 capacity4300 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4+, 30WQuick Charge 3+, 120W (100% in 19 min)
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Reverse chargingYes-
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Tests and performance
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Antutu1110000 (v9)1135000 (v9)
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Geekbench(single-core)1289 (v5.4)1245 (v5.2)
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Geekbench(multi-core)4243 (v5.4)4209 (v5.2)
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Cost
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Price810 USD450 USD