+user13371 Posted January 30, 2012 Posted January 30, 2012 Does class or speed of matter on these? When in use, does the GPS load any faster from it's internal block of memory versus an add-in card? Quote
Wintertime Posted January 30, 2012 Posted January 30, 2012 I've got thousands of benchmarks in databases on the micro-SD card in my eTrex 20. It takes a few seconds for a database to load after I choose it, but then I can choose a benchmark quickly. Patty Quote
+GeoTrekker26 Posted January 30, 2012 Posted January 30, 2012 Does class or speed of matter on these? When in use, does the GPS load any faster from it's internal block of memory versus an add-in card? To directly answer your question: I have not experimented with different brands so I cannot say anything about tolerance to variations of cards. I bought the cheapest "brand" name I could find - Kingston, and have had no problems. I have noticed no performance difference when using the card and that included running the OSM map from the card. I have since moved the map to core memory. With everything loaded, including a 500MB map I still have > 1 GB free core memory. The only reason I got and used the SD cards was to be able to swap out databases while on a trip when I didn't want to use my hosts' computers to manage caches. At the time I thought the limit on caches was 2K. Now that I know the limit is 5K, I doubt I'll ever use the cards again. Also since core memory isn't an issue, anything larger than a 2 GB card would likely be a waste. With a being large map around 500 MB and a 1 K cache GPX file at 5 MB you would be hard pressed to fill a 2 GB card unless you wanted to load a bunch of pictures. Quote
savant9 Posted January 31, 2012 Posted January 31, 2012 Also since core memory isn't an issue, anything larger than a 2 GB card would likely be a waste. With a being large map around 500 MB and a 1 K cache GPX file at 5 MB you would be hard pressed to fill a 2 GB card unless you wanted to load a bunch of pictures. I don't agree with that statement. Just the southern half (below 60 degrees) of Topo Canada V4 is over 3gb, toss in City Nav NA 2012 at 1.6gb and a few Birdseye images and you can easily hit 8gb and we have no pictures yet. I have a 16gb card in my montana, with about 14gb used Of course it does depend on the expected usage and desires of the owner, but a blanket statement like that is a bit erroneous. Quote
+GeoTrekker26 Posted January 31, 2012 Posted January 31, 2012 Also since core memory isn't an issue, anything larger than a 2 GB card would likely be a waste. With a being large map around 500 MB and a 1 K cache GPX file at 5 MB you would be hard pressed to fill a 2 GB card unless you wanted to load a bunch of pictures. I don't agree with that statement. Just the southern half (below 60 degrees) of Topo Canada V4 is over 3gb, toss in City Nav NA 2012 at 1.6gb and a few Birdseye images and you can easily hit 8gb and we have no pictures yet. I have a 16gb card in my montana, with about 14gb used Of course it does depend on the expected usage and desires of the owner, but a blanket statement like that is a bit erroneous. Quite correct. Thanks for setting me straight! Quote
+Bullygoat29 Posted January 31, 2012 Posted January 31, 2012 (edited) I did a speed test in an Oregon 550 awhile back and found that any benefits maxed out around a class 6 card. I would "assume" that would be the same for the new Etrex line. http://forums.Groundspeak.com/GC/index.php?showtopic=268479&view=findpost&p=4619671 Edit: Added link to speed test. Edited January 31, 2012 by Bullygoat29 Quote
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