The AMD Ryzen 7 7700 wins in 8 out of 14 comparable specs, with 5 ties. Its biggest advantage is Max Memory (200% better).
Ryzen 7 1700 wins in 1 spec (Max Turbo Power: 26% better).
Recommendation
Choose Ryzen 7 7700 if you want the best overall performance — especially max memory.
Choose Ryzen 7 1700 if max turbo power matters more to you.
