Will Xbox Series X and Playstation 5 big the biggest leap gaming has yet to see?

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Also, don't developers claim this like every generation?
I could've sworn they said the jump from PS3/360 to PS4/Xbone would be the biggest ever, yet it's easily the smallest so far to my perception.

Going from N64/PS1 games to Halo, Soul Calibur, and Rogue Squadron II, or from PS2/Xbox/GC games to Gears of War, now that was a massive leap.