Greysun is pretty close to the mark I think, it would be very easy to lump Apollo in with Q, Trelayne, the Prophets, any number of TOS "gods", but doing so would be erroneous. He is portrayed as being, if not an outright fraud, then at the very least rather fond of posturing and giving the impression of far greater abilities than he actually possesses.
He is not omnipotent or demonstratably telepathic, telekinetic, etc, he simply has access to a technological power which in some ways surpasses 23rd century federation tech. Even the mysterious green hand is basically a fairly powerful tractor beam, which displays no feats beyond those of the equivalent Borg device. It holds a Constitution class, the Borg tractors can hold a Galaxy class.
His power source is insufficiently shielded to cope with 23rd century starship phasers, which in turn are no match for their Borg counterparts. His attacks are of ambiguous effectiveness in return and clearly would not scrape a cube.
So, on the basis of portrayed abilities and weaknesses, the Borg all day and that's without breaking a sweat.