Lenovo K9 vs Microsoft Surface Duo 2
Lenovo K9
Microsoft Surface Duo 2
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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, 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, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71
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5G network-5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA
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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 (5CA) Cat20, 2000 Mbps download, 150 Mbps upload
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5G speed-6 Gbps download
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-102021-09
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Status2018-102021-10
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Design
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BuildMetalGlass front (Gorilla Glass Victus), glass back (Gorilla Glass)
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Nano-SIM, eSIM
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Height153.8 mm145.2 mm
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Width72.9 mm93.1 mm
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Thickness8 mm11 mm
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Height unfolded-184.5 mm
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Width unfolded-145.2 mm
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Thickness unfolded-5.5 mm
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Weight155 g284 g
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Stylus-Yes
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ColorsBlack, BlueGlacier, Obsidian
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.7 inches8.3 inches
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Resolution720 x 1440 pixels1892 x 2588 pixels
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Pixel density282 ppi401 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenCorning Gorilla Glass Victus
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MultitouchYes-
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Display features-90Hz, HDR, 800 nits (peak)
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Cover display-AMOLED capacitive touchscreen
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Cover display physical size-5.8 inches
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Cover display resolution-1344 x 1892 pixels
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Hardware
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CPUOcta-coreOcta-core
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CPUQuad-core 2.0 GHz Cortex-A53Single-core 2.84 GHz Kryo 680
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CPU(second)quad-core 1.5 GHz Cortex-A53Triple-core 2.42 GHz Kryo 680
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetMediatek MT6762 Helio P22Qualcomm SM8350 Snapdragon 888 5G
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GPUPowerVR GE8320Adreno 660
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Memory RAM3 GB8 GB
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Internal storage32 GB128, 256, 512 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS
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OS
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OSAndroid 8.1 OreoAndroid 11
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Main camera
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Camera typeDualTriple
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm12 MP, f/1.7 , 1.4 µm, (wide) , 27 mm
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5 MP, f/2.4 , 1.12 µm12 MP, f/2.4 , 1.0 µm, (telephoto) , 51 mm, 2x optical zoom
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(ultrawide) , 13 MP, f/2.2 , 1.0 µm
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30/60fps4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
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Primary camera flashdual-LED 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, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera typeDualSingle
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Selfie camera13 MP, f/2.2 , 1/3" , 1.12 µm12 MP, f/2.0 , 1.0 µm, (wide) , 24 mm
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5 MP, f/2.4 , 1.12 µm
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Selfie camera resolution4160 x 3120 pixels-
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Selfie camera video1080p@30/60fps1080p@30fps
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes, with stereo speakers
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EarpieceYes-
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Multimedia
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RadioFM RadioNo
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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, 802.11ax
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WLAN WiFi HotspotYesWi-Fi hotspot
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WLAN WiFi DirectYesWi-Fi direct
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WLAN WiFi Dual Band-Dual-band
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USBType-C 1.0 reversible connectorType-C 3.2, DisplayPort
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USB On-The-GoYes-
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Bluetoothv4.1v5.1
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Bluetooth A2DPYesA2DP
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bluetooth LEYesLE
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Bluetooth AptX-aptX Adaptive
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, fingerprint, light, proximityDual accelerometer, dual compass, fingerprint, dual gyroscope, dual 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 mAh4449 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 23W
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Talk time 4G-28 h
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Tests and performance
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Antutu-750000 (v9)
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Geekbench(single-core)-1091 (v5.4)
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Geekbench(multi-core)-3517 (v5.4)
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Cost
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Price-1900 USD