Oukitel WP21 Ultra vs Xiaomi Redmi K40 Pro
Oukitel WP21 Ultra
Xiaomi Redmi K40 Pro
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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, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
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5G network-5G 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, 151 Mbps download, 51 Mbps uploadLTE-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 announced2023-032021-02
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Status2023-032021-03
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Design
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BuildMetal, polycarbonate, TPUGlass, Metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height177.3 mm163.7 mm
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Width84.3 mm76.4 mm
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Thickness18.4 mm7.8 mm
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Weight398 g196 g
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WaterproofIP68/IP69K-
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Splash resistant-IP53
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Dust proofIP68/IP69KIP53
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MIL-STD-810GYes-
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ColorsBlackAurora, Black, White
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Display
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Display typeIPS TFTSuper AMOLED
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Physical size6.78 inches6.67 inches
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Resolution1080 x 2400 pixels1080 x 2400 pixels
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Pixel density388 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
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Display features-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 Cortex-A76Single-core 2.84 GHz Kryo 680
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CPU(second)Hexa-core 2.0 GHz Cortex-A55Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetMediaTek Helio G99 MT6789Qualcomm SM8350 Snapdragon 888
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GPUMali-G57 MC2Adreno 660
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Memory RAM12 GB6, 8 GB
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Internal storage256 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max1 TB-
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Storage-UFS 3.1
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OS
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OSAndroid 12Android 11, MIUI 12
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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) , 64 MP, f/1.9 , 1/1.7" , 0.8 µm, 26 mm
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(night vision) , 20 MP, f/2.4 , 1/2.78" , 1 µm(ultrawide) , 8 MP, f/2.2 , 119˚
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5 MP5 MP, (macro) , 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution9280 x 6920 pixels9280 x 6920 pixels
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Primary camera video1440p@30fps8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
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Primary camera flashLED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, 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, 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 camera20 MP20 MP, (wide) , 1/3.4" , 0.8 µm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera featuresFace unlock, face detectionFace unlock, HDR
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Selfie camera video1080p@30fps1080p@30fps, 720p@120fps
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes, 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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Bluetoothv5.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYesYes
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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, barometer, compass, fingerprint, gyroscope, light, pedometer, proximityAccelerometer, barometer, 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 capacity9800 mAh4520 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 3.0 (100% in 52 min)
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Talk time 3G68.5 h-
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Talk time 4G68.5 h-
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Standby time 3G1150 h-
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Standby time 4G1150 h-
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Tests and performance
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Antutu345535 (v9)727466 (v8)
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Geekbench(single-core)546 (v5.2)1132 (v5.2)
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Geekbench(multi-core)1762 (v5.2)3847 (v5.2)
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SAR value
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SAR EU(head)0.31 W/kg-
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SAR EU(body)1.08 W/kg-
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Cost
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Price470 USD580 USD
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