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 fēnix E is essentially a re-packaged epix (Gen 2) - 47 mm, but with newer system software.
The various models are listed in reverse-chronological order. The release dates are generally from Wikipedia.
| Model | Released | API | Product | Chipset | APPro? | References |
|---|---|---|---|---|---|---|
| fēnix 8 - 51 mm - Solar | 2024-08 | 5.0.0 | 4533 | AG3335M | Y | Garmin specifications |
| fēnix 8 - 47 mm - Solar | 2024-08 | 5.0.0 | 4532 | AG3335M | Y | Garmin specifications |
| fēnix 8 - 51 mm - AMOLED | 2024-08 | 5.0.0 | 4536 | AG3335M | Y | Garmin specifications |
| fēnix 8 - 47 mm - AMOLED | 2024-08 | 5.0.0 | 4536 | AG3335M | Y | Garmin specifications |
| fēnix 8 - 43 mm - AMOLED | 2024-08 | 5.0.0 | 4534 | AG3335M | Y | Garmin specifications |
| fēnix E | 2024-08 | 5.0.0 | 4666 | AG3335MN | Y | Garmin specifications |
| fēnix 7X - Pro Sapphire Solar | 2023-05 | 5.0.0 | 4376 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7 - Pro Sapphire Solar | 2023-05 | 5.0.0 | 4375 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7S - Pro Sapphire Solar | 2023-05 | 5.0.0 | 4374 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7X - Pro Solar | 2023-05 | 5.0.0 | 4376 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7 - Pro Solar | 2023-05 | 5.0.0 | 4375 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7S - Pro Solar | 2023-05 | 5.0.0 | 4374 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7X - Sapphire Solar | 2022-01 | 5.0.0 | 3907, 3910 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7 - Sapphire Solar | 2022-01 | 5.0.0 | 3906, 3909 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7S - Sapphire Solar | 2022-01 | 5.0.0 | 3905, 3908 | AG3335M | Y | Garmin settings + DCR review |
| fēnix 7X - Solar | 2022-01 | 5.0.0 | 3907, 3910 | AG3335MN | Y | Garmin manual + DCR review F Tipi teardown |
| fēnix 7 - Solar | 2022-01 | 5.0.0 | 3906, 3909 | AG3335MN | Y | Garmin manual + DCR review |
| fēnix 7S - Solar | 2022-01 | 5.0.0 | 3905, 3908 | AG3335MN | Y | Garmin manual + DCR review element14 teardown |
| fēnix 7X | 2022-01 | 5.0.0 | 3907, 3910 | AG3335MN | Y | Garmin manual + DCR review |
| fēnix 7 | 2022-01 | 5.0.0 | 3906, 3909 | AG3335MN | Y | Garmin manual + DCR review |
| fēnix 7S | 2022-01 | 5.0.0 | 3905, 3908 | AG3335MN | Y | Garmin manual + DCR review |
Alternative product number(s) are APAC variants.
Additional notes about the Airoha chipsets are available on another page.
| Model | Released | API | Product | Chipset | APPro? | References |
|---|---|---|---|---|---|---|
| fēnix 6X Pro Solar | 2020-07 | 3.4.0 | 3291, 3516, 3783 | CXD56xxxx | Y | Garmin manual + DCR review |
| fēnix 6 Pro Solar | 2020-07 | 3.4.0 | 3290, 3515, 3782, 3767, 3771 | CXD56xxxx | Y | Garmin manual + DCR review |
| fēnix 6S Pro Solar | 2020-07 | 3.4.0 | 3288, 3513, 3765, 3769 | CXD56xxxx | Y | Garmin manual + DCR review |
| fēnix 6 Solar | 2020-07 | 3.4.0 | 3289, 3514, 3766, 3770 | CXD56xxxx | Y | Garmin manual |
| fēnix 6S Solar | 2020-07 | 3.4.0 | 3287, 3512, 3764, 3768 | CXD56xxxx | Y | Garmin manual |
| fēnix 6X Sapphire | 2019-08 | 3.4.0 | 3291, 3516, 3783 | CXD5603GF | Y | Garmin manual |
| fēnix 6 Sapphire | 2019-08 | 3.4.0 | 3290, 3515, 3782, 3767, 3771 | CXD5603GF | Y | Garmin manual |
| fēnix 6S Sapphire | 2019-08 | 3.4.0 | 3288, 3513, 3765, 3769 | CXD5603GF | Y | Garmin manual |
| fēnix 6X Pro | 2019-08 | 3.4.0 | 3291, 3516, 3783 | CXD5603GF | Y | Garmin manual + DCR review + F Tipi teardown |
| fēnix 6 Pro | 2019-08 | 3.4.0 | 3290, 3515, 3782, 3767, 3771 | CXD5603GF | Y | Garmin manual + DCR review |
| fēnix 6S Pro | 2019-08 | 3.4.0 | 3288, 3513, 3765, 3769 | CXD5603GF | Y | Garmin manual + DCR review |
| fēnix 6 | 2019-08 | 3.4.0 | 3289, 3514, 3766, 3770 | CXD5603GF | Y | Garmin manual + DCR review |
| fēnix 6S | 2019-08 | 3.4.0 | 3287, 3512, 3764, 3768 | CXD5603GF | Y | Garmin manual + DCR review |
Alternative product number(s) are APAC variants.
Additional notes about the Sony chipsets are available on another page.
| Model | Released | API | Product | Chipset | APPro? | References |
|---|---|---|---|---|---|---|
| fēnix 5X Plus | 2018-06 | 3.3.0 | 3111, 3135 | MT3333 | Y | |
| fēnix 5 Plus | 2018-06 | 3.3.0 | 3110, 3089 | MT3333 | Y | EDN teardown |
| fēnix 5S Plus | 2018-06 | 3.3.0 | 2900, 3134 | MT3333 | Y | |
| fēnix 5X | 2017-01 | 3.1.0 | 2604, 2798 | MT3333 | Y | F Tipi teardown |
| fēnix 5 | 2017-01 | 3.1.0 | 2697, 2796 | MT3333 | Y | |
| fēnix 5S | 2017-01 | 3.1.0 | 2544, 2797 | MT3333 | Y | |
| fēnix Chronos | 2016-08 | 3.1.0 | 2432, 2675 | MT3333 | Y | DCR review |
| fēnix 3 HR | 2016-01 | 1.4.0 | 2413, 2473 | MT3333 | - | Red Turtle teardown |
| fēnix 3 | 2015-01 | 1.4.0 | 2050, … | MT3333 | - | F Tipi teardown + iFixit teardown |
| fēnix 2 | 2014-02 | - | 1967 | MT3333 | - | |
| fēnix | 2012-07 | - | 1551 | MT333x | - |
Alternative product number(s) are APAC variants. There are many variants of the fēnix 3 - 2188, 2189, 2293, 2407, 2408.
The MT333x in watches prior to 2013 was likely to be the MT3339 or MT3337.
Additional notes about the Mediatek chipsets are available on another page.