Samsung Galaxy M51 vs Xiaomi Redmi Note 5 AI Dual Camera
Samsung Galaxy M51
Xiaomi Redmi Note 5 AI Dual Camera
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA - China
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China; LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300) - Indonesia, Malaysia, Hong Kong, Vietnam; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) - Taiwan
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082018-3
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Status2020-092018-3
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frameFront glass, aluminum body
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SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height163.9 mm158.6 mm
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Width76.3 mm75.4 mm
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Thickness9.5 mm8.1 mm
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Weight213 g181 g
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ColorsBlack, BlueBlack, Blue, Gold, Rose Gold
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Display
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Display typeSuper AMOLED PlusIPS LCD capacitive touchscreen
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Physical size6.7 inches5.99 inches
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Resolution1080 x 2400 pixels1080 x 2160 pixels
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Pixel density393 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3Corning Gorilla Glass
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Multitouch-Yes
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Hardware
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CPUOcta-core-
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CPUQuad-core 2.2 GHz Kryo 470 GoldOcta-core 1.8 GHz Kryo 260
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetQualcomm SDM730 Snapdragon 730GQualcomm SDM636 Snapdragon 636
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GPUAdreno 618Adreno 509
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Internal storage128 GB32, 64 GB
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Memory RAM6, 8 GB3, 4, 6 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD(uses second SIM slot)
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Memory card max512 GB256 GB
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StorageUFS 2.1-
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OS
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OSAndroid 10, One UI 2.5Android 8.0 (Oreo)
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Main camera
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Camera typeQuadDual
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Camera type-Photo / Video
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Main camera(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm12 MP, f/1.9 , 1.4 µm
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(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm5 MP, f/2.0 , 1.25 µm
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(macro) , 5 MP, f/2.4
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(depth) , 5 MP, f/2.4 , 1.12 µm
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Primary camera resolution9280 x 6944 pixels-
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Primary camera video4K@30fps, 1080p@30fps1080p@30fps
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Primary camera Autofocus-dual pixel phase detection autofocus
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Primary camera flashLED flashdual-LED 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 autofocusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm13 MP, f/2.0 , 1.12 µm
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Selfie camera resolution6560 x 4928 pixels-
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Selfie camera video4K@30fps, 1080p@30fps1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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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, 802.11ac
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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 2.0microUSB 2.0
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USB On-The-GoYes-
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Infrared-Yes
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NFCYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEOYes-
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BDSYesYes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityFingerprint (rear-mounted), accelerometer, compass, gyro, 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 capacity7000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes (100% in 115 min)Quick Charge 2.0
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Reverse chargingYes-
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DxOMark autonomy96-
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DxOMark charging61-
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DxOMark efficiency87-
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DxOMark battery score88-
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Tests and performance
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Antutu275000 (v8)-
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Geekbench(single-core)1592 (v5.2)-
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Geekbench(multi-core)4211 (v5.2)-
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SAR value
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SAR(head)1.38 W/kg-
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SAR EU(head)0.61 W/kg-
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SAR EU(body)1.45 W/kg-
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Cost
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Price440 USD-
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Multimedia
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Radio FM-FM radio