Toushinden

Both anime are action-packed with a lot of fights. They also have crazy martial arts techniques and a story focusing around a tournament. Both have a similar animation style and atmosphere as well. 

Both anime are directed by Oobari Masami and are based on video games from the late 1990's. Both are action-packed anime with fast paced action sequences and have a Shounen action vibe to them. They are very short to watch and you can finish both under two hours. Both have a similar animation style and atmosphere as well. 

Both are based on a classic fighting video game and both have similar plots. Needless to say, both anime comprise lots of fighting scenes. As Toshinden is one of the fighting games inspired by Street Fighter, it has even it's own counterpart of Ryu and Ken duo in the form of Eiji and Kayin. 

Also based on a fighting video game, uses all characters and alot of action. 

Based on the playstation fighting game franchise of the same name. 

Both based on a fighting game.