The Seagate FireCuda 540 1TB wins in 5 out of 7 comparable specs. Its biggest advantage is Sequential Write (100% better).
WD Blue SN5000 4TB wins in 2 specs (Capacity: 300% better).
Recommendation
Choose FireCuda 540 1TB if you want the best overall performance — especially sequential write.
Choose WD Blue SN5000 4TB if capacity matters more to you.
