TCL 20B vs Xiaomi Redmi K50 Ultra
TCL 20B
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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 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 network-5G 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, Cat4, 151 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092022-08
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Status2021-092022-08
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Design
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BuildGlass front, plastic frame, plastic backAluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height164.7 mm163.1 mm
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Width74.7 mm75.9 mm
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Thickness8 mm8.6 mm
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Weight178 g202 g
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ColorsGray, VioletBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeIPS LCDOLED
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Physical size6.52 inches6.67 inches
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Resolution720 x 1600 pixels1220 x 2712 pixels
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Pixel density269 ppi446 ppi
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Display colors1677721616777216
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ProtectionScratch resistant, 2.5D curved glass screenScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display featuresVast display144Hz, HDR10+, Dolby Vision
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 1.8 GHz Cortex-A53Single-core 3.19 GHz Cortex-X2
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CPU(second)quad-core 1.5 GHz Cortex-A53Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-510
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ChipsetMediatek MT6762 Helio P22Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUPowerVR GE8320Adreno 730
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Memory RAM4 GB8, 12 GB
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Internal storage64 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 11, TCL UIAndroid 12, MIUI 13
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Main camera
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Camera typeDualTriple
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Main camera(wide) , 50 MP, f/1.85 , 79˚(wide) , 108 MP, f/1.6 , 1/1.67" , 0.64 µm
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(depth) , 2 MP, f/2.4(ultrawide) , 8 MP, f/2.2 , 120˚
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(macro) , 2 MP, f/2.4
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Primary camera resolution8190 x 6144 pixels12000 x 9000 pixels
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Primary camera video1080p@30fps4K@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, night mode, AI scene detection 2.0Autofocus, 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 camera8 MP, f/2.0 , 78˚ , 1/4" , 1.12 µm20 MP, (wide)
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Selfie camera resolution3264 x 2448 pixels-
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Selfie camera features-HDR
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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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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 802.11b, 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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Bluetoothv5.0v5.2
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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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, 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 capacity4000 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 18WQuick Charge 3+, 120W (100% in 19 min)
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Tests and performance
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Antutu94000 (v8)1135000 (v9)
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Geekbench(single-core)-1245 (v5.2)
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Geekbench(multi-core)-4209 (v5.2)
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Cost
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Price360 USD450 USD