Asus Zenfone 8 vs Xiaomi Redmi K50 Ultra
Asus Zenfone 8
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 - global; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 42, 66, 71 - USALTE 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 SA/NSA - global; 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA5G 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, 150 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-052022-08
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Status2021-052022-08
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Design
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BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), 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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Height148 mm163.1 mm
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Width68.5 mm75.9 mm
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Thickness8.9 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, 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 density446 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+, 700 nits (HBM), 1100 nits (peak)144Hz, HDR10+, Dolby Vision
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DxOMark display score81-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 680Single-core 3.19 GHz Cortex-X2
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CPU(second)Triple-core 2.42 GHz Kryo 680Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Kryo 680Quad-core 1.8 GHz Cortex-510
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ChipsetQualcomm SM8350 Snapdragon 888 5GQualcomm SM8475 Snapdragon 8+ Gen 1
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GPUAdreno 660Adreno 730
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Internal storage128, 256 GB128, 256, 512 GB
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Memory RAM6, 8, 12, 16 GB8, 12 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 11, ZenUI 8Android 12, MIUI 13
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 64 MP, f/1.8 , 78˚ , 26 mm, 1/1.73" , 0.8 µm(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(ultrawide) , 12 MP, f/2.2 , 14 mm, 1/2.93" , 1.12 µm(ultrawide) , 8 MP, f/2.2 , 120˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution9280 x 6920 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, 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 , 28 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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RadioFM radio (market dependent)No
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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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USBType-C 2.0Type-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 dual-band 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 capacity4000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4+ (60% in 25 min, 100% in 80 min)Quick Charge 3+, 120W (100% in 19 min)
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Reverse chargingYes-
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Tests and performance
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Antutu745787 (v9)1135000 (v9)
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Geekbench(single-core)1124 (v5.4)1245 (v5.2)
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Geekbench(multi-core)3669 (v5.4)4209 (v5.2)
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Cost
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Price720 USD450 USD
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