The best replacement for d510 is d525.

The best alternatives to d510 are rated as following:
★★★★★  d525
★★★★  d610
★★★  d2550
★★★  d2700
★★  n450
★  n330
★  atom 330
  atom d525

Your alternative for d510 is not listed? Suggest!
Speaking about d510, one probably shouldn't forget about ion 2.

Other search terms related to d510 and their ratings are:
★★★★★ ion 2
You have in mind a companion for d510 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of d510 in all years. Click on graph for more.
d510
d525
d610