Oukitel C21 Pro vs Xiaomi Redmi K40 Pro+
Oukitel C21 Pro
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 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 7, 8, 19, 20LTE 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, 301 Mbps download, 150 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 announced2021-062021-02
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Status2021-062021-03
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Design
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BuildPlasticGlass, Metal
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height162 mm163.7 mm
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Width75 mm76.4 mm
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Thickness9 mm7.8 mm
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Weight192 g196 g
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Splash resistant-IP53
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Dust proof-IP53
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ColorsBlack, Green, PurpleAurora, Black, White
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Display
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Display typeIPS LCDSuper AMOLED
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Physical size6.39 inches6.67 inches
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Resolution720 x 1560 pixels1080 x 2400 pixels
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Pixel density269 ppi395 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screenScratch 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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CPUQuad-core 1.8 GHz Cortex-A53Single-core 2.84 GHz Kryo 680
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CPU(second)quad-core 1.5 GHz Cortex-A53Triple-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 P22 (MT6762D)Qualcomm SM8350 Snapdragon 888
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GPUPowerVR GE8320Adreno 660
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Internal storage64 GB256 GB
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Memory RAM4 GB12 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 11Android 11, MIUI 12
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Main camera
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Camera typeTripleTriple
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Main camera12 MP, f/2.2 , 1/2.55"108 MP, f/1.8 , 1/1.52" , (wide) , 26 mm, 0.7 µm
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(macro) , 2 MP, f/2.2 , 76˚ , 1/5" , 1.75 µm(ultrawide) , 8 MP, f/2.2 , 119˚
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(depth) , 0.3 MP(macro) , 5 MP, 50 mm, 1/5.0" , 1.12 µm
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Primary camera resolution4032 x 3024 pixels9280 x 6920 pixels
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Primary camera video1080p@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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DxOMark photo-113
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DxOMark zoom-42
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DxOMark video-102
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DxOMark camera score-108
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera8 MP, f/2.2 , 81˚ , 1/4" , 1.12 µm20 MP, 1/3.4" , 0.8 µm, (wide)
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Selfie camera resolution3264 x 2448 pixels5184 x 3880 pixels
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Selfie camera featuresFace unlockFace 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, 802.11nWi-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 Band-Yes
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USBType-C 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Infrared-Yes
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NFCNoYes
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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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BDS-Yes
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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, fingerprint, light, 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 capacity4000 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 4G10 h-
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Standby time 4G360 h-
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Tests and performance
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Antutu95488 (v8)727466 (v8)
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Geekbench(single-core)154 (v5.2)-
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Geekbench(multi-core)741 (v5.2)-
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SAR value
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SAR EU(head)0.75 W/kg-
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SAR EU(body)1.16 W/kg-
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Cost
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Price130 USD770 USD