Xiaomi Poco X4 Pro 5G vs Xiaomi Redmi K40
Xiaomi Poco X4 Pro 5G
Xiaomi Redmi K40
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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, 38, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
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5G network5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 785G band 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
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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 (CA)LTE-A, 1174 Mbps download, 210 Mbps upload
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GPRSYesYes
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EDGEYesClass 8
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Availability
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Oficially announced2022-022021-02
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Status2022-032021-03
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Design
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BuildPlastic, aluminium alloyGlass, Metal
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.2 mm163.7 mm
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Width76.1 mm76.4 mm
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Thickness8.1 mm7.8 mm
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Weight205 g196 g
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Splash resistantIP53-
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Dust proofIP53-
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ColorsBlack, Blue, Poco YellowAurora, Black, White
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Display
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Display typeAMOLEDSuper AMOLED
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Physical size6.67 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density395 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features120Hz, 700 nits, 1200 nits (peak)120Hz, HDR10+, 1300 nits (peak), sunscreen 3.0, night light screen
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Kryo 660 GoldSingle-core 3.2 GHz Kryo 585
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CPU(second)Hexa-core 1.7 GHz Kryo 660 SilverTriple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetQualcomm SM6375 Snapdragon 695 5GQualcomm SM8250-AC Snapdragon 870 5G
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GPUAdreno 619Adreno 650
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Memory RAM6, 8 GB6, 8, 12 GB
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Internal storage128, 256 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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StorageUFS 2.2UFS 3.1
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OS
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OSAndroid 11, MIUI 13 for POCOAndroid 11, MIUI 12
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Main camera
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Camera typeTripleTriple
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Main camera(wide) , 108 MP, f/1.9 , 26 mm, 1/1.52" , 0.7 µm(wide) , 48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm
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(ultrawide) , 8 MP, f/2.2 , 118˚(ultrawide) , 8 MP, f/2.2 , 119˚
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(macro) , 2 MP, f/2.4(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video1080p@30/60fps4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
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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, phase detection autofocusAutofocus, 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 autofocus
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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 , 1/3.06" , 0.6 µm(wide) , 20 MP, 1/3.4" , 0.8 µm
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Selfie camera resolution4608 x 3456 pixels5184 x 3880 pixels
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Selfie camera featuresFace unlock, HDRFace unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps, 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 RadioNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-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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Bluetoothv5.1v5.1
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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 dual-band 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, 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 capacity5000 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3+, 67W (70% in 22 min, 100% in 41 min)Quick Charge 3.0 (100% in 52 min)
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Tests and performance
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Antutu395978 (v9)673599 (v8)
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Geekbench(single-core)661 (v5.2)928 (v5.2)
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Geekbench(multi-core)1873 (v5.2)3260 (v5.2)
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Cost
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Price330 USD470 USD