Compare Lenovo Yoga C640 13 vs Lenovo Yoga C940 15.6" vs Lenovo Legion Y740Si 15.6-in

[[{"Ft":"Connectivity","Fn":"Ports","Fv":"1x USB-C + 2x USB 3.1 Gen1"},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 5 or WiFi 6 + Bluetooth + optional 4G LTE"},{"Ft":"Construction","Fn":"Colors","Fv":"Iron Grey"},{"Ft":"Construction","Fn":"Form Factor","Fv":"2-in-1 convertible laptop"},{"Ft":"Construction","Fn":"Speakers","Fv":"User-facing stereo speakers"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"3.47mm sides / 7.19mm top / 12.57mm bottom"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"204.48mm / 8.05 inch"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"16.1 mm / 0.63 inch"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"306.8 mm / 12.08 inch"},{"Ft":"Dimensions","Fn":"Weight","Fv":"1.3 kg / 2.87 lbs"},{"Ft":"Display","Fn":"Brightness","Fv":"300 or 400 nits"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"13.3 inch"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD (1920x1080)"},{"Ft":"Function","Fn":"Graphics","Fv":"Integrated Intel HD 620"},{"Ft":"Function","Fn":"Operating System","Fv":"Windows 10"},{"Ft":"Function","Fn":"Processor","Fv":"10th-gen Intel Core i3, i5, or i7"},{"Ft":"Function","Fn":"SIM","Fv":"Micro-SIM"},{"Ft":"Function","Fn":"Touch Screen","Fv":"Yes"},{"Ft":"Performance","Fn":"Battery Life","Fv":"Up to 20 h"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"Up to 16 GB (soldered)"},{"Ft":"Performance","Fn":"Memory | Type","Fv":"DDR4 2400MHz"},{"Ft":"Performance","Fn":"Storage","Fv":"Up to 512 GB PCIe SSD"},{"Ft":"Production","Fn":"Debut","Fv":"2019 IFA"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"2x Thunderbolt 3 + 1x USB 3.1 Gen1 + 1x Audio combo"},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 6 or WiFi 5, Bluetooth"},{"Ft":"Construction","Fn":"Colors","Fv":"Iron Grey"},{"Ft":"Construction","Fn":"Form Factor","Fv":"2-in-1 convertible laptop"},{"Ft":"Construction","Fn":"Material","Fv":"CNC Aluminum"},{"Ft":"Construction","Fn":"Speakers","Fv":"Rotating Sound Bar with Dolby Atmos Speaker System; 2 Base Speakers inside D-Cover"},{"Ft":"Dimensions","Fn":"Bezels","Fv":"3.84mm sides / 6.69mm top / 12.8mm bottom"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"238.5 mm / 9.39 inch"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"17.5 mm / 0.69 inch"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"355.5 mm / 13.1 inch"},{"Ft":"Dimensions","Fn":"Weight","Fv":"1.9 kg / 4.19 lbs"},{"Ft":"Display","Fn":"Brightness","Fv":"500 nits"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"15.6 inch"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD (1920x1080)"},{"Ft":"Function","Fn":"Fast Charging","Fv":"15 Minutes for up to 2 Hours"},{"Ft":"Function","Fn":"Graphics","Fv":"NVIDIA GeForce GTX 1650"},{"Ft":"Function","Fn":"HDR","Fv":"VESA DisplayHDR"},{"Ft":"Function","Fn":"Operating System","Fv":"Windows 10"},{"Ft":"Function","Fn":"Processor","Fv":"9th-gen Intel Core i7 or i9"},{"Ft":"Performance","Fn":"Battery Life","Fv":"Up to 12 hours"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"Up to 16 GB"},{"Ft":"Performance","Fn":"Storage","Fv":"Up to 2TB PCIe SSD"},{"Ft":"Production","Fn":"Debut","Fv":"2019 IFA"},{"Ft":"Production","Fn":"Model Name","Fv":"C940-15IRH"}],[{"Ft":"Connectivity","Fn":"Ports","Fv":"2x USB, 2x Thunderbolt 3, SD, headphone"},{"Ft":"Connectivity","Fn":"Wireless Connectivity","Fv":"WiFi 6, Bluetooth 5"},{"Ft":"Construction","Fn":"Battery | Capacity","Fv":"60 Wh"},{"Ft":"Construction","Fn":"Material","Fv":"Aluminium"},{"Ft":"Dimensions","Fn":"Size | Depth","Fv":"251.8 mm"},{"Ft":"Dimensions","Fn":"Size | Height","Fv":"14.9 mm"},{"Ft":"Dimensions","Fn":"Size | Width","Fv":"356 mm"},{"Ft":"Dimensions","Fn":"Weight","Fv":"1.7 kg"},{"Ft":"Display","Fn":"Brightness","Fv":"300 nits"},{"Ft":"Display","Fn":"Display Diagonal","Fv":"15.6\u0026#34;"},{"Ft":"Display","Fn":"Display Type","Fv":"IPS"},{"Ft":"Display","Fn":"Resolution","Fv":"FHD or UHD"},{"Ft":"Function","Fn":"Graphics","Fv":"EGPU support"},{"Ft":"Function","Fn":"Processor","Fv":"10th gen Intel Core i5, i7, i9 H-series"},{"Ft":"Performance","Fn":"Memory | Capacity","Fv":"16 or 32 GB"},{"Ft":"Performance","Fn":"Memory | Type","Fv":"DDR4, 3200 MHz"},{"Ft":"Performance","Fn":"Storage","Fv":"PCIe 256 GB, 512 GB, 1 TB"},{"Ft":"Production","Fn":"Debut","Fv":"2020-04-02"}]]