Samsung Galaxy M51 vs Samsung Galaxy Note9
Samsung Galaxy M51
Samsung Galaxy Note9
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100HSDPA 850, 900, 1700(AWS), 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), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)
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HSDPA speed42.2 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps uploadLTE-A (5CA), Cat18, 1200 Mbps download, 200 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082018-8
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Status2020-092018-8
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Design
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BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass, aluminium alloy
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SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height163.9 mm161.9 mm
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Width76.3 mm76.4 mm
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Thickness9.5 mm8.8 mm
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Weight213 g201 g
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Stylus-Yes(Bluetooth integration)
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Payment-Samsung Pay(Visa, Mastercard)
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Waterproof-IP68, 1.5m and 30 minutes
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Dust proof-IP68
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ColorsBlack, BlueBlack, Blue, Copper, Purple
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Display
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Display typeSuper AMOLED PlusSuper AMOLED
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Physical size6.7 inches6.4 inches
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Resolution1080 x 2400 pixels1440 x 2960 pixels
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Pixel density393 ppi516 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3Scratch resistant, Corning Gorilla Glass 5
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Multitouch-Yes
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Display features-HDR10 compliant, Always-on display
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.2 GHz Kryo 470 GoldQuad-core 2.7 GHz Mongoose M3
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silverquad-core 1.8 GHz Cortex-A55
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ChipsetQualcomm SDM730 Snapdragon 730GExynos 9810 Octa
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GPUAdreno 618Mali-G72 MP18
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Memory RAM6, 8 GB6, 8 GB
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Internal storage128 GB128, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max512 GB512 GB
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StorageUFS 2.1-
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OS
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OSAndroid 10, One UI 2.5Android 8.1 Oreo
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Main camera
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Camera typeQuadDual
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Main camera(wide) , 64 MP, f/1.8 , 26 mm, 1/1.73" , 0.8 µm12 MP, f/1.5-2.4 , 26 mm, 1/2.55" , 1.4 µm
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(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm12 MP, f/2.4 , 1.0 µm, 52 mm, 1/3.4"
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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 pixels4032 x 3024 pixels
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Primary camera video4K@30fps, 1080p@30fps2160p@60fps, 1080p@240fps, 720p@960fps
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Primary camera flashLED flashLED flash
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Primary camera phase detection autofocus-phase detection autofocus
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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 image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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DxOMark photo-107
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DxOMark video-94
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DxOMark camera score-103
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Selfie camera
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Selfie camera(wide) , 32 MP, f/2.0 , 26 mm, 1/2.8" , 0.8 µm8 MP, f/1.7 , 1/3.6" , 1.22 µm
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Selfie camera resolution6560 x 4928 pixels3264 x 2448 pixels
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Selfie camera video4K@30fps, 1080p@30fps1440p@30fps
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DxOMark photo-96
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DxOMark video-86
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DxOMark camera score-92
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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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
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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 1.0 reversible connector
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USB On-The-GoYesYes
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Bluetoothv5.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-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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Beidou-Yes
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BDSYes-
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Features
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SensorsAccelerometer, compass, fingerprint, gyroscope, proximityAccelerometer, barometer, compass, fingerprint, gyroscope, hall, heart rate, iris sensor, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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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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Wireless charging-Qi/PMA
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Talk time 2G-30 h
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Talk time 3G-30 h
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Standby time 2G-430 h
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Standby time 3G-430 h
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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-No