Is there a direct comparison betwern Edge 520 and Bolt?

I've done a search and played with Mr Google but haven't managed to find direct real world - as opposed to marketing blurb - comparison between the two.
Specifically I'm interested in two main areas. Connectivity with phone or domestic Wi-Fi for uploading post ride data especially to Strava. And turn by turn routing. I create my routes in OS software and have GPX files saved. Can these be easily transferred to either unit and then can I have turn by turn instructions?
Apologies is this has been asked/answered...please point me in the right direction
Specifically I'm interested in two main areas. Connectivity with phone or domestic Wi-Fi for uploading post ride data especially to Strava. And turn by turn routing. I create my routes in OS software and have GPX files saved. Can these be easily transferred to either unit and then can I have turn by turn instructions?
Apologies is this has been asked/answered...please point me in the right direction
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Scroll down (a long way!) and he covers it, I think. If you then search his site for one or the other review, he normally references most rivals.
I think the Garmin was better for navigation
He doesn't mention importing GPX files to use.
Suppose I really need to find a retailer with both and who will give unbiased advice. That won't be easy.
As for the Bolt, you can click on a GPX file on your phone, either a GPX file from an email or the web page of a sportive event whilst you are standing at the side of the road and it will send it to the Bolt and give you breadcrumb trail navigation.
To get full turn-by-turn navigation, the sort that will interrupt a data page to tell you you need to make a turn you have to create the route on RidewithGPS or Komoot, then sync this route to the Bolt via your phone or WiFi. (you do not need a paid for RWGPS account, a free account will do just fine).
As far as syncing with Strava the Bolt works perfectly. I normally get an alert on my phone that my ride has uploaded to Strava before I've even opened my garage door.
Create a route on the Garmin website, send it to the 520 and you get turn by turn. You also get a map as long as you are not on unrecognised minor single track roads.
I think both have similar functionality and interface and price will probably be the decider.
I am not sure. You have no chance.
Now that is getting long in the tooth, I'm doing more on the bike and my bike computer - an IGPSport - constantly refuses to work after a software upgrade it's time to look at alternatives.
Hence my questions.
Hi. It's not the 520 but this YouTube video gives a very good comparison of the bolt vs the 820.
If you skip to 5 minutes it gives you a very good look at the navigation functions of the bolt.
https://youtu.be/R1DxvR2J7YQ
Another thought has occurred to me this morning...I mostly ride roads that I know and don't really need to follow a route. Even if I go off my original planned route, I'm never really lost - just taking a variation. I "could" still use the eTrex on a handlebar mount for navigation when I am away from home. All I really need when local is a means of recording my data for the ride. It has been suggested that the Edge 25 may be sufficient for my day to day needs.
So many options!!!
Useless for me as on a climb I want to see cadence and heart rate. That may have changed over the past 2 years.
I am not sure. You have no chance.
Up to now he's used Strava directly by mounting his smart-phone in a case on the bars, but it was like a tea-tray and the case has finally broken.
If I find a spare hour I'll wade through the DC Rainmaker stuff and watch some Youtube vids. We're off round his for Sunday lunch on, err, Sunday so I can try to drop GPS gadgets in to the conversation to see if he's still keen...
If you just want a basic bike computer then it fits the bill.
I am not sure. You have no chance.
The differences between the ELEMNT and the ELEMNT Bolt are simple. The ELEMNT has a larger screen size and additional LEDs and other than the aero shape of the Bolt, that is it.
Would be really useful to know this as I was considering upgrading from my 520 to the 520 PLUS primarily to get that feature.
Page 3.
I am not sure. You have no chance.
If you go to training—courses, choose a course and load it, then—settings—course points ON, then you’ll get not only turn prompts, but the distance to each turn and the direction you’re turning can be displayed as a data field. You need to use .tcx files to be able to use course points.
If you use gpx files, then training—courses—course options—turn guidance ON works in some cases but it’censored and miss, sometimes it just says ‘head northwest’ or whatever, so if you’re using a tcx file then you can turn guidance off and just use course points.
The main difference between the 520 and the 520 plus is that the plus has full maps which enable on-the-fly navigation, but the 520 does turn by turn on a preset route perfectly well.
https://m.youtube.com/watch?v=-FQZUUKOFD0
Downloaded open source maps of Mallorca before a trip out there last week. Sizewise looked as if I could download the two map tiles I needed for tbe island alongside my home county, followed the "how to" guide from DC Rainmaker to letter. All seemed to download ok, but when i fired up my 520 in Puerto Pollensa i just had a blank screen
I’ve downloaded open source maps for both the Annecy and Bourg d’oisans areas this year and it’s worked perfectly both times, I just followed DC Rainmaker’s guide to doing it.
I am not sure. You have no chance.