Garmin Fenix 7 vs Fenix 7S

Fenix 7 and Fenix 7S are Garmin smartwatches that were released in January 2022. Both watches come at a price of $699.99.

We look at the differences between Fenix 7 and Fenix 7S.

Main differences between Fenix 7 and 7S

  • The primary difference between Fenix 7 and 7S is size of the smartwatch.
  • Fenix 7 is bigger than Fenix 7S.
  • Fenix 7 has a marginally better battery backup than Fenix 7S.
  • Fenix 7 has a better display resolution than Fenix 7S.
  • Fenix 7 weighs more than Fenix 7S

Since each difference between Fenix 7 and 7S revolves around size, we will analyze the differences from the perspective of size.

Fenix 7 smartwatch

Display Specifications

We lay out the design specifications of Fenix 7 and 7S. These attributes do suggest that there are not many significant changes between the two watch models.

Display specificationsFenix 7Fenix 7S
Display lensCorning Gorilla GlassCorning Gorilla Glass
Display typeMIP (Memory in pixel)MIP (Memory in pixel)
Display diameter33 mm30 mm
Thickness14.5 mm14.1 mm
Display resolution260 x 260 pixels240 x 240 pixels
Pixel density200 ppi200 ppi
Color displayYesYes

The important points to note are:

  • Display size of 33 mm in Fenix 7 and 30 mm in Fenix 7S
  • The thickness of 14.5 mm in Fenix 7 and 14.1 mm in Fenix 7S

Physical specifications

In terms of the hardware of both watches, the differences can be attributed to the size difference. We have compiled a list of hardware details that may be of interest to you for picking the right smartwatch.

SpecificationsFenix 7Fenix 7S
Watch dimensions47 x 47 x 14.5 mm42 x 42 x 14.1 mm
Recommended wrist circumference125-208 mm108-182 mm
Watch bodyFiber-enforced polymer body with metal rear coverFiber-enforced polymer body with metal rear cover
BezelStainless steelStainless steel
Watch band size22 mm20 mm
Band materialSiliconeSilicone
Weight53 g47 g
Device storage16 GB16 GB
Water rating10 ATM10 ATM

The only significant change between Fenix 7 and Fenix 7S is the size of the watch and the recommended wrist circumference.

  • Fenix 7 is a 47 mm watch and Fenix 7S is a 42 mm watch
  • The recommended wrist circumference for Fenix 7 is 125-208 mm and for Fenix 7S it is 108-182 mm.

Ideally, the Fenix 7S is a good watch for people with thin wrists.

Fenix 7S


The difference in size between Fenix 7 and Fenix 7S has also caused a main difference in battery backup offered by both smartwatches.

We look at the battery backup Fenix 7 and 7S provided in different watch modes.

Watch modeFenix 7 backupFenix 7S backup
Smartwatch modeup to 18 daysup to 11 days
GPS modeup to 57 hoursup to 37 hours
All satellite systemsup to 40 hoursup to 26 hours
All satellite systems with music modeup to 10 hoursup to 7 hours
Max Battery GPSup to 136 hoursup to 90 hours
Expedition GPSup to 40 daysup to 26 days
Battery saver modeup to 57 daysup to 38 hours

The battery backup provided by Fenix 7 is exactly one and a half times the battery backup provided by a Fenix 7S smartwatch.


There is no cost difference between Fenix 7 and 7S. Both watches come at a list price of $699.99.

Final verdict

Since the core features of Fenix 7 and Fenix 7S are unchanged, the smartwatch choice would depend upon your wrist’s circumference.

It is a matter of the watch looking good on your wrist. Fenix 7 with a size of 47 mm is significantly broader than the Fenix 7S of size 42 mm.

The best way to figure out the right Fenix 7 or Fenix 7S watch for you would be to use the band. In more ways than one, trying the watch models before buying them is always a good idea.

Alternatively, measure your wrist size using a tape and decide the correct variant between the Fenix 7 and Fenix 7S smartwatch variants.

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