Xiaomi 12X vs Xiaomi Redmi K50 Ultra
Xiaomi 12X
Xiaomi Redmi K50 Ultra
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA5G 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-ALTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-122022-08
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Status2021-122022-08
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Design
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BuildPolycarbonate, aluminium alloy, glassAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height152.7 mm163.1 mm
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Width69.9 mm75.9 mm
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Thickness8.2 mm8.6 mm
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Weight176 g202 g
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ColorsBlack, Blue, PinkBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeOLEDOLED
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Physical size6.28 inches6.67 inches
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Resolution1080 x 2400 pixels1220 x 2712 pixels
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Pixel density419 ppi446 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, Corning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display features120Hz, Dolby Vision, 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 3.2 GHz Kryo 585Single-core 3.19 GHz Cortex-X2
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CPU(second)Triple-core 2.42 GHz Kryo 585Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Kryo 585Quad-core 1.8 GHz Cortex-510
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GQualcomm SM8475 Snapdragon 8+ Gen 1
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GPUAdreno 650Adreno 730
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Memory RAM8, 12 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, MIUI 13Android 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 50 MP, f/1.9 , 26 mm, 1/1.56" , 1.0 µm(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(ultrawide) , 13 MP, f/2.4 , 123˚ , 12 mm, 1/3.06" , 1.12 µm(ultrawide) , 8 MP, f/2.2 , 120˚
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(telephoto macro) , 5 MP, 50 mm(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6144 pixels12000 x 9000 pixels
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Primary camera video8K@24fps, 4K@30/60fps, 1080p@30/120/240/960fps, gyro-EIS4K@30/60fps, 1080p@30/60/120/240/960fps
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Primary camera flashdual-LED dual-tone flashLED flash
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Camera featuresAutofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, super night mode 2.0, HDR10 video recordingAutofocus, 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(wide) , 32 MP, 80˚ , 26 mm, 0.7 µm(wide) , 20 MP
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Selfie camera featuresFace unlock, HDRHDR
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Selfie camera video1080p@30/60fps, 720p@120fps1080p@30/60fps, 720p@120fps
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Sound
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3.5mm jackNoNo
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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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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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InfraredYesYes
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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 capacity4500 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 4, 67W (100% in 39 min)Quick Charge 3+, 120W (100% in 19 min)
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Wireless reverse chargingYes, 10W-
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Fast wireless chargingYes, 50W-
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Tests and performance
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Antutu720000 (v9)1135000 (v9)
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Geekbench(single-core)928 (v5.2)1245 (v5.2)
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Geekbench(multi-core)3255 (v5.2)4209 (v5.2)
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Cost
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Price710 USD450 USD