The best replacement for 910xt is 620.

The best alternatives to 910xt are rated as following:
★★★★★  620
★★★★★  310xt
★★★★  rcx5
★★★★  fenix
★★★  ambit
★★★  edge 500
★★  610
★★  ambit2
★★  suunto ambit
★  fenix 2
★  garmin swim
★  swimsense
★  edge 800
★  global trainer
  polar rc3
  suunto ambit2 s
  rs800cx
  suunto ambit2
  timex global trainer

Your alternative for 910xt is not listed? Suggest!
Speaking about 910xt, one probably shouldn't forget about foot pod.

Other search terms related to 910xt and their ratings are:
★★★★★ foot pod
★★★★ power meter
You have in mind a companion for 910xt and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 910xt in all years. Click on graph for more.
910xt
620
310xt