The Intel HD 620 is also considerably more powerful than the Radeon R4 (Stoney Ridge) integrated graphics cores even though the Intel HD 620 (in 7th gen Intel Core CPUs) is considered weak itself.We test the battery with PCMark 8 software. The Dell Latitude E6420 is a good 14-inch business notebook with stellar build quality and a lot of neat options.Has your Dell 6400 laptop slowed down since it was bought, then make it fast again by downloading audio, touchpad, bluetooth, bios, video, lan nce new and smooth gesture features with your touchpad and enjoy faster bluetooth transfer with our Dell 6400 latest touchpad and bluetooth drivers. 2, Realtek ALC3246, NVIDIA GeForce 940MX, DDR4, USB 3. Intel Core i7-8550U CPU The Dell Inspiron 620s follows up from a previous release from Dell, which had the same name - 620s. Hello,Recently I have started to research installing Mountain Lion on a Dell Inspiron 620 desktop. I replaced the motherboard, power supply and power switch and added 2G of memory. 5' SATA Hard Drive - Intel® UHD Graphics 620 - 14. 30 GHz) Storage : 1TB 5400 rpm SATA Hard Drive. A wide variety of dell precision motherboard options are available to you, such as memory type, hard drive interface, and socket type. Dell inspiron 620 motherboard specs Also for: D19m.