Intel Core i5-7500 with Intel HD Graphics 630 (3.4 GHz base frequency, up to 3.8 GHz with Intel Turbo Boost Technology, 6 MB cache, 4 cores)
8 GB DDR4-2400 SDRAM (1 x 8 GB); 128GB SSD
Windows 10 Pro
Intel Core i5-8500 Processor with Intel UHD Graphics 630 (3 GHz base frequency, up to 4.1 GHz with Intel Turbo Boost Technology, 9 MB cache, 6 cores)
8 GB DDR4-2666 SDRAM (1 X 8 GB); 1 TB 7200 rpm SATA
Windows 10 Pro 64
Intel Core i5-9400T Processor (9M Cache, 1.80GHz Up to 3.40 GHz)
8GB DDR4-2666MHz (1x8GB) RAM
256GB M.2 PCIe SSD
Windows 10 Pro 64-bit - Lenovo recommends Windows 10 Pro