Ignoring or denying the great capabilities of the F-35 or F-22 is a great mistake, but in the same caliber of ignoring or denying the great grow of russian aerospace technology.
They are improving radars ( PESA, AESA, hybrids ), IR devices, engines ( AL-41F with supercruise capability ) and weapons ( variants of R-77, ramjet missiles, very long range missiles ). Also SAM systems in the low band to counter stealth fighters, and better ordinary SAM in all categories.
They are steps behind USA or Europe technology, but is only a question of time and money that Russia could catch his counterparts.
And of course they have the Topol-M. ( not to forgive this " little green pepper flying bastard" )