Lenovo K9 vs Samsung Galaxy M51
Lenovo K9
Samsung Galaxy M51
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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, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
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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-A, Cat6, 300 Mbps download, 51 Mbps uploadLTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-102020-08
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Status2018-102020-09
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Design
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BuildMetalGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height153.8 mm163.9 mm
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Width72.9 mm76.3 mm
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Thickness8 mm9.5 mm
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Weight155 g213 g
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ColorsBlack, BlueBlack, Blue
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED Plus
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Physical size5.7 inches6.7 inches
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Resolution720 x 1440 pixels1080 x 2400 pixels
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Pixel density282 ppi393 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenCorning Gorilla Glass 3
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MultitouchYes-
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Quad-core 2.2 GHz Kryo 470 Gold
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CPU(second)quad-core 1.5 GHz Cortex-A53Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetMediatek MT6762 Helio P22Qualcomm SDM730 Snapdragon 730G
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GPUPowerVR GE8320Adreno 618
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Memory RAM3 GB6, 8 GB
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Internal storage32 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max256 GB512 GB
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoAndroid 10, One UI 2.5
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Main camera
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Camera typeDualQuad
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm64 MP, f/1.8 , 1/1.73" , 0.8 µm, (wide) , 26 mm
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5 MP, f/2.4 , 1.12 µm12 MP, f/2.2 , 1.12 µm, (ultrawide) , 123˚
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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 resolution4160 x 3120 pixels9280 x 6944 pixels
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Primary camera video1080p@30/60fps4K@30fps, 1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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 autofocus
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Selfie camera
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Selfie camera typeDual-
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Selfie camera13 MP, f/2.2 , 1/3" , 1.12 µm32 MP, f/2.0 , 1/2.8" , 0.8 µm, (wide) , 26 mm
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5 MP, f/2.4 , 1.12 µm
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Selfie camera resolution4160 x 3120 pixels6560 x 4928 pixels
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Selfie camera video1080p@30/60fps4K@30fps, 1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM Radio-
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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
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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 1.0 reversible connectorType-C 2.0
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USB On-The-GoYesYes
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Bluetoothv4.1v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFC-Yes
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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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Features
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SensorsAccelerometer, fingerprint, light, proximityAccelerometer, 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-IonLi-Po
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Battery capacity3000 mAh7000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes (100% in 115 min)
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Reverse charging-Yes
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DxOMark autonomy-96
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DxOMark charging-61
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DxOMark efficiency-87
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DxOMark battery score-88
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Tests and performance
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Antutu-275000 (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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Price-440 USD
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