as much as vs even though

as much as

• Even though; despite the fact that 

• Used to say that two things are equal in amount or degree 

• Used other than figuratively or idiomatically: see as, much. 

• Used to say that an amount is as large as another amount 

• So much as, even. 

• Practically, just as, no less than; indicates an action tantamount to, but not identical to, the action described. 

even though

• Although; though; despite or in spite of the fact that.