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.
| 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.
| 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.
| 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.