The Seagate FireCuda 540 1TB wins in 4 out of 7 comparable specs. Its biggest advantage is Sequential Write (106% better).
WD Black SN770 2TB wins in 3 specs (Capacity: 100% better).
Recommendation
Choose FireCuda 540 1TB if you want the best overall performance — especially sequential write.
Choose WD Black SN770 2TB if capacity matters more to you.
