I've run 4 times a week with the Garmin 201 for the past 2 years so I was anxious to get the 205. After 10 runs with the 205 (some runs with both) here is my take on the new 205:
Pros:
- better form factor (although still big and same weight as the 201)
- Buttons are more intuitive (less guessing in the dark)
- More accurate - If I run the same run 3 times (e.g. a regular 6 miler) all 3 distances are within .02-.09... the 201 varied by as much as .3 miles. The 205 also appears to be more accurate according to "known distances"
- Less satellite drops compared to the 201 (although see the BIG con below!)
- The strap is rubber so it doesn't act as a sweat band (the 201 was harder to clean and smelled for weeks after a marathon)
- Better software
CONS:
- Fonts are smaller (especially on history and other screens)
- The strap is rubber and doesn't fit as well as the cloth/Velcro on the 201 (although the pro I think outweighs the con!)
- BIG CON: On one regular run along the bay in San Francisco (no hills, trees, or buildings) the 205 lost satellite in a "usual" area (common for my 201 to drop in the same place) one mile into the run, but the 205 never recovered during the whole run. So the 205 doesn't drop satellites as much, but when it does it might not recover - this is a fatal issue if it continues (note: the 201 drops often, but always recovers right away).
Overall I would still highly recommend the unit. I definitely prefer to run with the 205 instead of the 201. I will be watching the drop-recover issue carefully to see if others report a similar problem. Garmin Forerunner 205 GPS Receiver and Sports Watch
I wrote an extensive six-part review comparing the Garmin Forerunner 205 with my older Garmin Forerunner 201. Here is the URL to the first part and you can find links at the bottom to the other parts:[...]
If you don't want to read the full reviews then here is a summary of my likes and dislikes:
Likes
* Comfort and Form factor: Usage model is very important and while the 205 is big, it feels and wears like a wrist watch. The plastic strap is more comfortable than the 201's velco strap, and the unit also comes with an extension strap if you need to bundle up and wear it outside your clothing. Personally, I want to look at my watch for instant data (i.e. time, pace, distance, etc) and feedback so I'm unwilling to place a device on my upper arm even if I have to sacrifice accuracy. In terms of form factor, the lap and start/stop buttons are well placed and sized on the face of the watch.
* GPS Accuracy: The Garmin Forerunner 205's GPS receiver seemed much stronger. I can lock onto a signal inside my house next to a window, I haven't received one weak signal in a week over routes that caused my 201 trouble. And on my one run over a tree-covered, GPS signal-challenging course, the 205 came out a star, finally allowing me to measure a route that I was unable to with my 201. The GPS accuracy data field and the satellite acquisition screen are also cool bonuses.
* Customization: The 205 allows you to customize 2 main screens and a third activity specific (i.e. run, bike or other) one with 1 to 4 data fields per screen. This is very cool, especially for data-driven geeks like myself. Another great thing about all the Forerunners is you can customize screens and settings on the fly without interrupting your current activity.
* Real-Time Pacing: I'm not that interested in knowing how fast I'm going at a specific moment in time so never was a big fan of the "real-time" pacing feature of the 201. With that said, the 205 seemed to be more consistent and showed a tighter range of paces. It also seemed closer to how fast I felt I was going relevant to the current conditions (i.e. uphill, downhill, flat) than the 201, which showed a lot of variation and lag.
* USB Cradle: Charging and uploading via USB is a nice. Much faster than the 201's serial port.
Dislikes
* Display: The display of the 205 seems smaller and the history screens are dark and hard to read. I wish they didn't use the shading and just had the plain background.
* Real-time elevation: For me this isn't a big deal, but the "real-time" elevation reading lags on the 205. It seems to tie closely with GPS accuracy. For example, after I finish my runs I'll usually walk a little in my backyard to cool down. The real-time elevation reading will then "catch up" to the correct elevation.
* Buttons: My broken power button seems to be an anomaly so far since I haven't read of others with the same problem. With that said, the side buttons seems a bit stiff to me.
* Battery indicator: It just shows 4 vertical bars. I liked the feature on the 201 where it told you how many hours of charge were left when you powered it on.
Cool Stuff
* Tons of features: There are a lot of things the 205 can do such as import courses, advanced workouts, virtual partner and a bunch of other features that I need to explore
Wishlist
* Reduce form factor
* Color screen
* Increase battery life
* Improve waterproofing/water resistance
* Add wireless connectivity for uploading and downloading data and information over the air to PC or mobile service - Forerunner 205 - Gps - Gps Watch - Garmin 205'
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