The Seasonic Prime TX-1600 ATX 3.1 wins in 6 out of 9 comparable specs, with 2 ties. Its biggest advantage is Warranty (71% better).
SF1000L wins in 1 spec (MSRP: 64% better).
Recommendation
Choose Prime TX-1600 ATX 3.1 if you want the best overall performance — especially warranty.
Choose SF1000L if msrp matters more to you.
