The Samsung 870 EVO 2TB wins in 3 out of 6 comparable specs, with 1 tie. Its biggest advantage is Capacity (100% better).
T705 1TB wins in 2 specs (Sequential Read: 2329% better).
Recommendation
Choose 870 EVO 2TB if you want the best overall performance — especially capacity.
Choose T705 1TB if sequential read matters more to you.