Xiaomi Redmi K40S vs ZTE nubia Z50
Xiaomi Redmi K40S
ZTE nubia Z50
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42LTE frequency band 1, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41
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5G network5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA5G band 1, 3, 28, 41, 79 SA/NSA
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE-ALTE-A (CA)
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2022-032022-12
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Status2022-032022-12
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Design
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BuildGlass front (Gorilla Glass 5), plastic backGlass front, aluminum frame, glass back or eco leather back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.2 mm162.9 mm
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Width76 mm72.9 mm
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Thickness7.7 mm8.5 mm
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Weight195 g197/199 g
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Splash resistantYes-
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ColorsBlack, Blue, Gray, GreenBlack, Mint, Silver
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Display
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Display typeAMOLEDAMOLED
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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 colors167772161073741824
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ProtectionScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5-
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Display features120Hz, HDR10+, 1300 nits (peak)144Hz, HDR10+, 1000 nits
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 3.2 GHz Kryo 585Single-core 3.2 GHz Cortex-X3
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CPU(second)Triple-core 2.42 GHz Kryo 585dual-core 2.8 GHz Cortex-A715
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CPU(third)Quad-core 1.80 GHz Kryo 585Dual-core 2.8 GHz Cortex-A710
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CPU(fourth)Triple-core 2.0 GHz Cortex-A510
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ChipsetQualcomm SM8250-AC Snapdragon 870 5GQualcomm SM8550 Snapdragon 8 Gen 2
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GPUAdreno 650Adreno 740
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Memory RAM6, 8, 12 GB8, 12, 16 GB
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Internal storage128, 256 GB128, 256, 512, 1024 GB
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Memory cardNoNo
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StorageUFS 3.1UFS 3.1/UFS 4.0
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OS
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OSAndroid 12, MIUI 13Android 12, MyOS 13
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 48 MP, f/1.8 , 1/2" , 0.8 µm(standard) , 64 MP, f/1.6 , 1/1.7" , 35 mm
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(ultrawide) , 8 MP, 119˚(ultrawide) , 50 MP, 116˚ , f/2.2 , 14 mm
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(macro) , 2 MP, f/2.4
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Primary camera resolution8000 x 6000 pixels9280 x 6920 pixels
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Primary camera video4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS8K, 4K
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Primary camera flashdual-LED dual-tone flashRing-LED flash (4 LEDs)
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Camera featuresAutofocus, 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 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, macro-mode, phase detection autofocus, laser autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera(wide) , 20 MP(wide) , 16 MP, f/2.0
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Selfie camera resolution-4608 x 3456 pixels
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Selfie camera featuresFace unlock, HDRFace unlock, HDR
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Selfie camera video1080p@30/120fps1080p@30fps
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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 3.1
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USB On-The-GoYesYes
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Bluetoothv5.2v5.3
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFCYesYes, eSE
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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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NavICYes-
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Features
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SensorsAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximityAccelerometer, 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)Yes, 80W
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Tests and performance
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Antutu715000 (v9)1255000 (v9)
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Geekbench(single-core)983 (v5.2)1365 (v5.2)
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Geekbench(multi-core)3362 (v5.2)4499 (v5.2)
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Cost
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Price290 USD420 USD