Microsoft has upgraded the Surface Laptop to Intel Tiger Lake and newer AMD Ryzen processors. The Surface Laptop 4 retains its predecessor's design, which is to say that it is available with 13.5-inch and 15-inch displays that have 3:2 aspect ratios. Unfortunately, both sizes have their compromises.
https://www.notebookcheck.net/Microsoft-unveils-Surface-Laptop-4-with-AMD-Ryzen-and-Intel-Tiger-Lake-processors-but-there-are-compromises.532044.0.html