I'm not sure of what you're asking. Are you asking if 700C snow tires are faster and easier to pedal?

If so, good luck with that. I run 700x28 on my Trek Portland in the three-seasons. My average speed for the year on my commute is 16.8 mph. In winter, I run Nokian Hakkapeliitta W106 in 700x35. I immediately drop 3-4 mph in good conditions, just by changing the tires. In this week's snow, one day my average was 9.6.

Near as I can tell, my experience is pretty typical with studded snow tires. They're heavy, hard to pedal, and just plain slow. On the other hand, they keep me from falling down in traffic. For that, I can live with the minuses for a quarter of each year.