The best replacement for quadro is gtx.

The best alternatives to quadro are rated as following:
★★★★★  gtx
★★★★★  geforce
★★★★  firepro
★★★  tesla
★★★  firegl
★★  titan
★  nvs
★  quadro fx
★  nvidia geforce
★  ati firegl
★  firepro solidworks
  radeon
  geforce photoshop
  geforce cuda
  geforce autocad
  amd firepro
  gtx 580
  geforce video editing

Your alternative for quadro is not listed? Suggest!
Speaking about quadro, one probably shouldn't forget about tesla.

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



Google Trends

Scale is based on the average worldwide traffic of quadro in all years. Click on graph for more.
quadro
gtx
geforce