The Silicon Power XPOWER Pulse 64GB DDR5-5600 wins in 3 out of 5 comparable specs, with 1 tie. Its biggest advantage is Capacity (300% better).
Pro 16GB DDR5-5600 wins in 1 spec (MSRP: 71% better).
Recommendation
Choose XPOWER Pulse 64GB DDR5-5600 if you want the best overall performance — especially capacity.
Choose Pro 16GB DDR5-5600 if msrp matters more to you.