The best replacement for tab 3 is nexus 7.

The best alternatives to tab 3 are rated as following:
★★★★★  nexus 7
★★★★★  ipad mini
★★★★  note
★★★★  ipad
★★★  note 8
★★★  note 10.1
★★★  tab 3 lite
★★★  tab 2
★★  tab pro
★★  nexus 10
★★  galaxy note
★★  kindle fire hd
★  ipad 2
★  note 2014
★  kindle fire hdx
★  nexus 7 2012
★  tab 2 10.1
★  kindle fire
★  samsung galaxy tab 2
  dell venue 7
  galaxy note 10.1
  galaxy tab 2
  asus memo pad hd 7
  samsung galaxy note 8
  hudl
  memo pad
  google nexus 7
  samsung tab 2

Your alternative for tab 3 is not listed? Suggest!
Speaking about tab 3, one probably shouldn't forget about s pen.

Other search terms related to tab 3 and their ratings are:
★★★★★ s pen
You have in mind a companion for tab 3 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tab 3 in all years. Click on graph for more.
tab 3
nexus 7
ipad mini