Apples and oranges… Armored Core uses the mecha philosophy of japanese Manga/Anime. The mechs there move very fast and organical, often even using magic (Escaflowne, Knights and Magic) or science that borders on Magic (Full Metal Panic, Gundam) and there is a lot of emphasis on close combat, even with very gunheavy mech designs, as close combat often offers a more pleasing presentation in ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.