
The only major difference between the Gear S3 classic and the Gear S3 frontier is that the latter is aimed customers who want a rugged sports watch. Both models are quite similar in build quality and features. They offer IP68 water and dust resistance, optical heart rate monitor, accelerometer, barometer, GPS, built-in gyro and more. The Gear S3 frontier does feature 4G LTE support.
If you've not quite been able to decide which one you want to buy, don't forget to check out our Gear S3 classic review and our Gear S3 frontier review to find out which is the best fit for you.