Garmin 405 vs Garmin 405cx Has anyone come across significant differences between the Garmin 405 and Garmin 405cx? They seem like they're almost the same...
asked by asmith on December 28, 2010
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I'm told the main difference is use of heart rate to calculate calorie burn on the CX which results in much more accurate calorie count.
I believe the 405 just uses height, weight and speed.
Kiwi answered on January 8, 2011
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