Xiaomi Redmi K30 Ultra vs vivo Y55 5G
Xiaomi Redmi K30 Ultra
vivo Y55 5G
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMAGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DOHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1, 3, 5, 7, 8, 34, 38, 39, 40, 41LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41
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5G network5G band 1, 3, 41, 78, 79; SA/NSA5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA
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HSDPA speed42 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE-ALTE-A, Cat4, 151 Mbps download, 51 Mbps upload
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5G speed5G-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082022-01
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Status2020-082022-01
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front, plastic frame, plastic back
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height163.3 mm164 mm
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Width75.4 mm75.9 mm
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Thickness9.1 mm8.3 mm
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Weight213 g187 g
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ColorsBlack, Green, WhiteBlack, Blue
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD
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Physical size6.67 inches6.58 inches
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Resolution1080 x 2400 pixels1080 x 2408 pixels
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Pixel density395 ppi401 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5-
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Display featuresHDR10+, 120Hz sampling rate, 500 nits typ. brightness-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.6 GHz Cortex-A77Dual-core 2.2 GHz Cortex-A76
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CPU(second)quad-core 2.0 GHz Cortex-A55Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek Dimensity 1000+MediaTek MT6833 Dimensity 700 5G
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GPUMali-G77 MC9Mali-G57 MC2
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Memory RAM6, 8 GB4 GB
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Internal storage128, 256, 512 GB128 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-1 TB
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StorageUFS-
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OS
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OSMIUI V12 (Android 10.0)Android 11, Funtouch 12
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Main camera
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Camera typeQuadTriple
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Main camera64 MP, f/1.9 , 26 mm, 1/1.72" , 0.8 µm50 MP, f/1.8 , 26 mm, (wide)
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13 MP, f/2.4 , 1.12 µm2 MP, f/2.4 , (macro)
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5 MP, f/2.2 , 50 mm2 MP, f/2.4 , (depth)
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2 MP, f/2.4
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Primary camera resolution5184 x 3800 pixels8190 x 6144 pixels
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Primary camera video4K@30fps, 1080p@30/60/120/240/960fps; gyro-EIS1080p@30fps, gyro-EIS
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Primary camera flashdual-LED dual-tone flashdual-LED flash
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Camera featuresAutofocus, 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, macro-mode, phase detection autofocus, RAW, AI skyscapingAutofocus, 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, macro-mode, phase detection autofocus, RAW
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera20 MP, f/2.24 , 27 mm, 1/3.4" , 0.8 µm8 MP, f/1.8 , (wide)
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Selfie camera resolution5184 x 3800 pixels3264 x 2448 pixels
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Selfie camera video1080p@30fps, 720p@120fps1080p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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EarpieceYes, with stereo speakersYes
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Multimedia
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RadioFM RadioFM Radio
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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
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBType-C reversible connectorType-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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Bluetooth AptXaptX HD-
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InfraredYes-
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NFCYesYes
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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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BeidouYes-
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BDS-Yes
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QZSSYesYes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, compass, fingerprint, gyroscope, proximity
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Power bank functionYes-
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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 chargingQualcomm Quick Charge 4+(100% in 58 min)Yes, 18W
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Cost
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Price390 USD220 USD
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Tests and performance
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Antutu-359000 (v9)
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Geekbench(single-core)-430 (v5.2)
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Geekbench(multi-core)-1438 (v5.2)