Those less-known companies manufacture equivalent products at cheaper prices.
I haven't taken English 202, but I took an equivalent course at another university.
an equivalent amount of money
Origin of EQUIVALENT
Middle English, from Middle French or Late Latin; Middle French, from Late Latin aequivalent-, aequivalens, present participle of aequivalēre to have equal power, from Latin aequi- + valēre to be strong — more at wield