Editor’s note: Information from this teardown is supplied courtesy of TechInsights. Click here to request full access. To view a complimentary report of Summary — Garmin Fenix 8 Pro, click here.
Fitness watches are now highly sophisticated, taking advantage of the technologies that have been created for other fitness trackers and adding even more to it such as tracking runs and routes, locating hiking paths via interactive maps and more.
Garmin takes advantage of this in their Fenix 8 Pro watch with the ability to connect to cellular technologies as well as satellite communication. Additionally, the watch is rugged built to withstand elements with leakproof metal buttons, dimmable LED flashlight and scratch-resistant display.
What powers the Fenix 8 Pro is the dual-core ARM Cortex-M44 MCU from NXP Semiconductors with 43 GB of 3D TLC NAND flash memory from ATP Electronics.
The following is a partial deep dive into the smartwatch from TechInsights.
Released: September 2025
Price: $2,112
Availability: Worldwide
Target market: Consumer
Main board
Found on the main board of the Garmin Fenix 8 Pro smartwatch includes the main memory from ATP Electronics in 43 GB 3D TLC NAND flash and the dual-core ARM Cortex-M44 microcontroller from NXP Semiconductors. Other electronic components found on this board include:
- AP Memory’s mobile PSRAM memory
- STMicroelectronics’ six-axis MEMS accelerometer and gyroscope
- Texas Instruments’ digital humidity and temperature sensor, inductive touch controller
- Qualcomm’s SAW filter
- Toshiba’s load switch
- Analog Devices’ DC-DC converter, class-D audio amplifier and power management IC
- GLF Integrated Power’s load switch
- Ambiq Micro’s ARM 32-bit Cortex M4F MCU w/ Bluetooth
- MEMSIC’s three-axis magnetic sensor
- SiTime’s MEMS TCXO
- Infineon’s GPS LNA
- Dialog Semiconductor’s programmable mixed signal array
(Learn more about sensors on GlobalSpec.com)
Sensor board
On the sensor board of the Garmin Fenix 8 Pro includes the following electronic components:
- Texas Instruments’ LDO regulator
- Analog Devices’ optical PPG/ECG analog front-end and bioimpedance analog front-end IC
(Learn more about analog and mixed signal ICs on GlobalSpec.com)
Touchscreen/display board
Found on the touchscreen/display board of the Garmin Fenix 8 Pro includes the electronic components:
- Winbond’s serial flash memory
- Advanced Analog Technology’s MicroLED display power
- Raydium Semiconductor’s MicroLED display driver
(Learn more about IC interfaces on Globalspec.com)
Some of the electronic components of the Garmin Fenix 8 Pro smartwatch. Source: TechInsights
Major components
- $88.85 — Display/touchscreen subsystem — AUO (Qty: 1)
- $15.59 — Multichip memory — 32 GB 3D TLC NAND flash memory — ATP Electronics — (Qty: 1)
- $7.80 — LTE CAT M1&NB1 module — Murata (Qty: 1)
- $7.23 — Bezel (Qty: 1)
- $6.56 — Back cover (Qty: 1)
- $5.48 — 10 layer buildup FR4/HF (Qty: 1)
- $3.01 — Dual-Core ARM Cortex-M33 microcontroller — NXP Semiconductors (Qty: 1)
- $2.59 — 2.4 GHz Wi-Fi 4/Bluetooth 5.0 module — Silicon Labs (Qty: 1)
- $2.39 — Power management — Analog Devices (Qty: 1)
- $1.67 — Battery subsystem — Amperex Technology Limited (ATL) (Qty: 1)
