I believe The 10700k is a 8 core cpu. The 11600k is a 6 core cpu. For me the 10700k is a better value if you get it cheaper, but if your only gaming the 11600k has its place.
r20 single core 10700k 512 vs 11600k 602
TLDR Get the 10700k unless your playing older games and need the highest FPS