Xiaomi Poco F4 vs Xiaomi Redmi K50 Ultra
Xiaomi Poco F4
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 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, 38, 40, 41LTE 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, 7, 8, 20, 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 speed11.52 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 announced2022-062022-08
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Status2022-062022-08
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Design
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BuildGlass front (Gorilla Glass 5), glass backAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.2 mm163.1 mm
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Width76 mm75.9 mm
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Thickness7.7 mm8.6 mm
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Weight195 g202 g
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Splash resistantIP53-
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Dust proofIP53-
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ColorsBlack, Green, SilverBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeAMOLEDOLED
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Physical size6.67 inches6.67 inches
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Resolution1080 x 2400 pixels1220 x 2712 pixels
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Pixel density395 ppi446 ppi
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Display colors107374182416777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display features120Hz, HDR10+, Dolby Vision, 900 nits (HBM), 1300 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 RAM6, 8, 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 13 for POCOAndroid 12, MIUI 13
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 64 MP, f/1.8 , 1/2.0" , 0.7 µm(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(ultrawide) , 8 MP, f/2.2 , 119˚ , 1/4.0" , 1.12 µm(ultrawide) , 8 MP, f/2.2 , 120˚
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(macro) , 2 MP, f/2.4(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 video4K@30/60fps, 1080p@30/60fps4K@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, 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 autofocusAutofocus, 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) , 20 MP, f/2.5 , 1/3.06" , 0.8 µm(wide) , 20 MP
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Selfie camera featuresFace unlock, HDRHDR
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Selfie camera video1080p@30fps1080p@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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NFCYes (market dependent)Yes
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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, gyroscopeAccelerometer, 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 3+, 67W (100% in 38 min)Quick Charge 3+, 120W (100% in 19 min)
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Tests and performance
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Antutu715000 (v9)1135000 (v9)
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Geekbench(single-core)932 (v5.2)1245 (v5.2)
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Geekbench(multi-core)3269 (v5.2)4209 (v5.2)
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Cost
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Price360 USD450 USD