The Lexar NM1090 Pro 2TB wins in 4 out of 7 comparable specs, with 2 ties. Its biggest advantage is Sequential Write (106% better).
990 EVO Plus 2TB wins in 1 spec (MSRP: 35% better).
Recommendation
Choose NM1090 Pro 2TB if you want the best overall performance — especially sequential write.
Choose 990 EVO Plus 2TB if msrp matters more to you.