adata xpg sx8200 pro

So I want a 500gb ssd for my laptop (that support PCIe 3.0), which one should I consider? Options are sx8200 pro and samsung 980, and maybe crucial p5 if it's better. 980 is 2 years newer, is it matter? What about being dramless? Is it worth to buy a 2 year old ssd with dram instead of dramless...

Background: I currently own an Intel 660p 2TB in my main rig (see signature below). I'm currently dating someone whose build is almost 100% on a 1TB HDD and I was planning to purchase a 2TB SSD to upgrade her. Then it occurred to me that the ADATA / XPG SX8200 Pro is TLC, versus the Intel...

I don't know which to choose... By comparing both 1TB, XPG SX8200 Pro = $203 , SP P32A80 = $145. R/W XPG = 3500/3000 , SP = 3200/3000 I don't know which is better for performance (not considering R/W speed as both similar), durability and quality. Any experienced or who are using these M.2...