Xiaomi Poco X4 GT vs Xiaomi Redmi K50 Ultra
Xiaomi Poco X4 GT
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, 20, 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 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 announced2022-062022-08
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Status2022-062022-08
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Design
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BuildPlastic, 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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Height163.6 mm163.1 mm
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Width74.3 mm75.9 mm
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Thickness8.9 mm8.6 mm
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Weight200 g202 g
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ColorsBlack, Blue, SilverBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeIPS LCDOLED
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Physical size6.6 inches6.67 inches
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Resolution1080 x 2460 pixels1220 x 2712 pixels
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Pixel density407 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 features144Hz, HDR10, Dolby Vision, 500 nits (typ), 650 nits (HBM)144Hz, HDR10+, Dolby Vision
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.85 GHz Cortex-A78Single-core 3.19 GHz Cortex-X2
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CPU(second)quad-core 2.0 GHz Cortex-A55Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-510
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ChipsetMediaTek Dimensity 8100Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUMali-G610 MC6Adreno 730
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Memory RAM8 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/1.9 , 1/1.72" , 0.8 µm(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 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@30fps, 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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-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) , 16 MP, f/2.5 , 1.0 µm(wide) , 20 MP
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Selfie camera resolution4608 x 3456 pixels-
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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 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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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv5.3v5.2
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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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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, color spectrum, 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 capacity5080 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 67W (100% in 46 min)Quick Charge 3+, 120W (100% in 19 min)
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Tests and performance
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Antutu824571 (v9)1135000 (v9)
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Geekbench(single-core)994 (v5.2)1245 (v5.2)
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Geekbench(multi-core)3752 (v5.2)4209 (v5.2)
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Cost
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Price300 USD450 USD