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Garmin 620

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{{DISPLAYTITLE:Garmin 620 Review}}
The {{Garmin 620}} is an intriguing device, adding some cool advanced features but it has appalling [[GPS accuracy Accuracy]] that prevents me recommending it. This is a real shame as other than the accuracy problems I love using the 620. However, I've had the 620 record only 12 miles on a 13 mile run, something that I consider unacceptable.
[[File:Garmin620.jpg|thumb|none|200px|The {{Garmin 620}}, showing the display of Cadence, Vertical Oscillation and Ground Contact Time. Note that the display is color, but I found the colors muted and not always easy to distinguish. ]]
===Garmin 620 Pros===
* The 620 is small and light, but the display is quite legible for its size. I find it much easier to read than either the 610 or the 10.
* Like the Fenix 2, the 620 will show and record [[Cadence]], Vertical Oscillation (VO) and Ground Contact Time (GCT). The 620 has a nice display of Cadence, VO, and GCT that gives a color coded indication of how well you're doing.
* The 620 will cache the locations of the GPS satellites for the next few days, makes for faster satellite lock. However, if you've not connected the 620 to the internet for a few days, the 620 can be painfully slow to acquire a lock.
* The 620 will not display [[Heart Rate Variability]] but it is possible for it to record [[Heart Rate Variability]] for later analysis. To enable this recording, you need to download a special FIT file from the firstbeat.com web site.
===Garmin 620 Cons===
* The [[GPS Accuracy]] of the 620 is grim. I found the 620 consistently worse than the 610 or the 310XT when I ran with multiple devices. The 620 would sometimes be over a mile out on a 13 mile run!
* To make the poor GPS accuracy even more annoying, there is no way of displaying your current pace from the [[Footpod]] while using GPS for overall distance and course. (Earlier versions of the firmware would always display the pace and distance from the Footpod when it's connected, but this was fixed in a recent update.)