Samsung Galaxy A51 5G vs Xiaomi Redmi K50 Ultra
Samsung Galaxy A51 5G
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, 2100 - global; HSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - globalLTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
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5G network5G band 41, 78 SA/NSA/Sub6 - global5G 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-ALTE-A
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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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Status2020-042022-08
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Oficially announced2020-042022-08
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, aluminum frameAluminium alloy, glass
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SIMSingle SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height158.9 mm163.1 mm
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Width73.6 mm75.9 mm
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Thickness8.7 mm8.6 mm
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Weight187 g202 g
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ColorsBlack, Pink, WhiteBlack, Blue, Gray, Mercedes AMG
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Display
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Display typeSuper AMOLED capacitive touchscreenOLED
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Physical size6.5 inches6.67 inches
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Resolution1080 x 2400 pixels1220 x 2712 pixels
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Pixel density405 ppi446 ppi
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Display colors1677721616777216
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ProtectionScratch resistantScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus
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Display features-144Hz, HDR10+, Dolby Vision
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Hardware
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CPUOcta-coreOcta-core
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CPUDual-core 2.2 GHz Cortex-A77Single-core 3.19 GHz Cortex-X2
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CPU(second)Hexa-core 1.8 GHz Cortex-A55Triple-core 2.75 GHz Cortex-A710
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CPU(third)Quad-core 1.8 GHz Cortex-510
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ChipsetExynos 980Qualcomm SM8475 Snapdragon 8+ Gen 1
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GPUMali-G76 MP5Adreno 730
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Memory RAM6, 8 GB8, 12 GB
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Internal storage128 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max512 GB-
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StorageUFS 2.1UFS 3.1
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OS
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OSOne UI 2 (Android 10.0)Android 12, MIUI 13
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Main camera
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Camera typeQuadTriple
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Main camera48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm108 MP, f/1.6 , 1/1.67" , 0.64 µm, (wide)
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12 MP, f/2.28 MP, f/2.2 , (ultrawide) , 120˚
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5 MP, f/2.42 MP, f/2.4 , (macro)
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5 MP, f/2.2
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Primary camera resolution8000 x 6000 pixels12000 x 9000 pixels
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Primary camera video4K@30fps, 1080p@30/120fps; gyro-EIS4K@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, 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, phase detection autofocus, flicker sensor
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DxOMark photo90-
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DxOMark zoom32-
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DxOMark video86-
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DxOMark camera score87-
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Selfie camera
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Selfie camera type-Single
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Selfie camera32 MP, f/2.2 , 26 mm, 1/2.8" , 0.8 µm20 MP, (wide)
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Selfie camera resolution6560 x 4928 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 radio with RDS, recordingNo
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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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Wi-Fi displayYes-
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C 2.0
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USB On-The-GoYesYes
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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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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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QZSS-Yes
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NavIC-Yes
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, 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 capacity4500 mAh5000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQuick Charge 3+, 120W (100% in 19 min)
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Cost
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Price510 USD450 USD
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Tests and performance
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Antutu-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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