gps-details

Garmin fēnix

Overview

This page lists the GNSS chipsets that are used in the Garmin fēnix watches.

The history of the fēnix (and epix) has been summarised in an article by DC Rainmaker.

The various models are listed in reverse-chronological order. The release dates are generally from Wikipedia.

Airoha

Model Released API Product Chipset APPro? References
fēnix E 2024-08 5.0.x ? AG3335MN * Y Garmin specifications
fēnix 8 - 47/51 mm - Sapphire Solar 2024-08 5.0.x ? AG3335M Y Garmin specifications
fēnix 8 - 42/47/51 mm - AMOLED 2024-08 5.0.x ? AG3335M Y Garmin specifications
fēnix 7 / 7S / 7X - Pro Sapphire Solar 2023-05 5.0.x 4375, 4374, 4376 AG3335M Y Garmin settings + DCR review
fēnix 7 / 7S / 7X - Pro Solar 2023-05 5.0.x 4375, 4374, 4376 AG3335M Y Garmin settings + DCR review
fēnix 7 / 7S / 7X - Sapphire Solar 2022-01 5.0.x 3906, 3905, 3907 AG3335M Y Garmin settings + DCR review
fēnix 7 / 7S (APAC) 2022-01 5.0.x 3909, 3908, 3910 AG3335MN Y -
fēnix 7 / 7S / 7X - Solar 2022-01 5.0.x 3906, 3905, 3907 AG3335MN Y Garmin manual + DCR review
F Tipi teardown + element14 teardown
fēnix 7 / 7S 2022-01 5.0.x 3906, 3905 AG3335MN Y Garmin manual + DCR review

* - The fēnix E is essentially an epix (Gen 2) - 47 mm which used the AG3335MN.

Additional notes about the Airoha chipsets are available on another page.

Sony

Model Released API Product Chipset APPro? References
fēnix 6 / 6S - Pro Solar 2020-07 3.4.x ? CXD56xxxx Y Garmin manual + DCR review
fēnix 6 / 6S - Solar 2020-07 3.4.x ? CXD56xxxx Y Garmin manual
fēnix 6 / 6S / 6X - Sapphire 2019-08 3.4.x ? CXD5603GF Y  
fēnix 6X - Pro Solar 2019-08 3.4.x 3291 CXD5603GF Y Garmin manual + DCR review
fēnix 6 / 6S / 6X - Pro 2019-08 3.4.x 3290, 3288, 3291 CXD5603GF Y Garmin manual + DCR review + F Tipi teardown
fēnix 6 / 6S 2019-08 3.4.x 3289, 3287 CXD5603GF Y Garmin manual + DCR review

Additional notes about the Sony chipsets are available on another page.

Mediatek

Model Released API Product Chipset APPro? References
fēnix 5 / 5S / 5X Plus 2018-06 3.3.x 3110, 2900, 3111 MT3333 Y EDN teardown
fēnix 5 / 5S / 5X 2017-01 3.1.x 2697, 2544, 2604 MT3333 Y F Tipi teardown
fēnix Chronos 2016-08 3.1.x 2432 MT3333 Y DCR review
fēnix 3 HR 2016-01 1.4.x 2413 MT3333 -  
fēnix 3 2015-01 1.4.x 2050 MT3333 - F Tipi teardown + iFixit teardown
fēnix 2 2014-02 - 1967 MT333x -  
fēnix 2012-07 - 1551 MT333x -  

Additional notes about the Mediatek chipsets are available on another page.