Garmin Fenix 7X Pro Sapphire Solar vs Enduro 2

Fenix 7X Pro Sapphire Solar and Enduro 2 are comparable smartwatches in a similar price bracket. Both smartwatches are solar watches.

We look at the two smartwatches and compare the differences and features below.

Smartwatch features covered in this post

Main differences

The main differences between Garmin Fenix 7X Pro Sapphire Solar and Enduro 2 are shared below:

Fenix 7X Pro Sapphire Solar smartwatch is priced at $999.99 and Enduro 2 is listed at a cost price of $1099.99.
Garmin Fenix 7X Pro Sapphire Solar smartwatch has an ambient light sensor. Enduro 2 lacks the sensor.
Fenix 7X Pro Sapphire Solar smartwatch offers additional profiles for Boxing and Mixed Martial arts. It also offers an additional cycling profile for BMX.
Fenix 7X Pro Sapphire Solar smartwatch has the Hill score and Endurance score levels to help you decide about undertaking sports activities.
The battery life of Fenix 7X Pro Sapphire Solar and Enduro 2 is comparable. You will not find much of a difference in the battery life.
There are marginal size differences between Fenix 7X Pro Sapphire Solar and Enduro 2.

You would have noticed that the Fenix 7X Pro Sapphire Solar and Enduro 2 do not have many differences.

Garmin Fenix 7X Pro Sapphire Solar smartwatch in white band

Display specifications

Fenix 7X Pro Sapphire Solar and Enduro 2 have a display lens made of Power Sapphire glass.

Power Sapphire glass is Sapphire glass coated with Photo-voltaic cells or PV cells. These Photo-voltaic cells help to tap sunlight and convert solar energy into battery charge.

The primary charging method of Fenix 7X Pro Sapphire Solar and Enduro 2 remains the wired charger provided with the smartwatch.

Both smartwatches use an MIP or memory-in-pixel screen.

Other display specifications of Fenix 7X Pro Sapphire Solar and Enduro 2 are shared in the side-by-side comparison below.

Display specifications	Garmin 7X Pro Sapphire Solar	Garmin Enduro 2
Display lens	Power Sapphire	Power Sapphire
Display size	1.4″ or 36 mm	1.4″ or 36 mm
Display type	MIP or Memory-in-Pixel screen	MIP or Memory-in-Pixel screen
Display resolution	280 x 280 pixels	280 x 280 pixels
Color display	Yes	Yes
Touchscreen	Yes	Yes
Ambient light sensor	Yes	No
LED Flashlight	Yes	Yes

The only major difference in the display specifications of Fenix 7X Pro Sapphire Solar and Enduro 2 is the availability of ambient light sensor in Fenix 7X Pro Sapphire Solar.

An ambient light sensor improves the display experience for the user as it helps in changing the backlight based on ambient light.

Physical specifications

You will notice a slight difference in the thickness of the Fenix 7X Pro Sapphire and Enduro 2 smartwatches. The physical size of both watches is identical.

Let us look at the physical specifications of both watches below.

Physical specifications	Garmin 7X Pro Sapphire Solar	Garmin Enduro 2
Watch size	51 x 51 x 14.9 mm	51 x 51 x 15.6 mm
Thickness	14.9 mm	15.6 mm
Watch weight	61 g	64 g
Band size	26 mm	26 mm
Band material	Silicone	Nylon
Band material options	Silicone, Metal, Fabric, Leather	Sport loop, Silicone
Bezel	Titanium	Titanium
Watch body	Fiber-reinforced polymer with titanium rear cover	Fiber-reinforced polymer with titanium rear cover
Water rating	10 ATM	10 ATM
Swimming profile	Pool Swimming, Open Water Swimming, Swimming/Running	Pool Swimming, Open Water Swimming, Swimming/Running
Device storage	32 GB	32 GB
NFC Payments	Garmin Pay	Garmin Pay
Primary charger	Garmin Wired charger	Garmin Wired charger
Solar charging	Yes	Yes
GPS	GPS, GLONASS, Galileo	GPS, GLONASS, Galileo
Multi-band GPS or Dual frequency GPS	Yes	Yes

Garmin Enduro 2 smartwatch for endurance sports

Garmin ECG

Fenix 7X Pro Sapphire Solar did not have the support for the Garmin ECG app at the time of the launch of the smartwatch. However, this changed in October 2023.

Beginning October 2023, Fenix 7X Pro Sapphire Solar watches have received an update. Fenix 7X Pro Sapphire Solar has become compatible with the Garmin ECG app. It supports the Garmin ECG app.

You can take electrocardiogram readings through the Garmin ECG app on a Fenix 7X Pro Sapphire Solar smartwatch.

The Garmin ECG app received the FDA approval in January 2023. It has already been rolled out to the Venu 2 Plus smartwatches, Venu 3 series, Fenix 7 Pro series, and Epix 2 Pro series smartwatches.

The Garmin ECG app is very useful in detecting Atrial Fibrillation conditions. It can help in uncovering irregular heart rhythm issues.

Meanwhile, Enduro 2 does not support the Garmin ECG app.

Battery

Garmin Enduro 2 has a slightly longer battery backup than the Fenix 7X Pro Sapphire Solar. The exact backup offered in different watch modes is mentioned below.

Watch mode	Garmin Fenix 7X Pro Sapphire Solar	Garmin Enduro 2
Smartwatch mode	Up to 28 days/37 days with solar	Up to 34 days / 46 days with solar
GPS mode	Up to 89 hours/122 hours with solar	Up to 110 hours / 150 hours with solar
All Satellite Systems	Up to 63 hours/77 hours with solar	Up to 78 hours / 96 hours with solar
All Satellite Systems + Music	Up to 16 hours	Up to 20 hours
All Satellite Systems + Multi-band	Up to 36 hours/41 hours with solar	Up to 68 hours / 81 hours with solar
Max Battery GPS	Up to 213 hours/578 hours with solar	Up to 264 hours / 714 with solar
Expedition GPS	Up to 62 days/ 139 days with solar	Up to 77 days / 172 days with solar
Battery Saver Watch Mode	Up to 90 days/1+ year with solar	Up to 111 days / 550 days with solar

Enduro 2’s battery backup is almost 20 percent higher than Fenix 7X Pro Sapphire Solar battery backup.

About Solar Charging

For solar charging to make an impact on your smartwatch’s battery backup, the following conditions need to be fulfilled:

You must expose the solar watch to the bright sunlight of 50,000 lumens or more
Sun exposure for at least 3 hours a day is required for battery charging

Solar watches are useful for people who spend considerable time outdoors under the sun.

About Hill Score and Endurance Score

Hill score and endurance score are features of Fenix 7X Pro Sapphire Solar smartwatches.

Hill score is a dynamic number between 0-100. It is generated on the basis of fitness data, volumetric oxygena and performance data. The goal of generating the hill score is to give you an idea about your hill strength and hill endurance.

In other words, a Hill score is a measurement of your ability to climb uphill. On the lower side, you have a recreational hill score level. As you develop strength, you transition to the highest hill score level of the elite.

An endurance score is a dynamic number that foretells performance sustenance. A higher endurance score means that you have the potential for longer performances. As you build stamina and strength, the endurance score improves to a higher level.

The endurance score is calculated on the basis of VO2 max. The goal of sharing your endurance score on a Fenix 7X Pro Sapphire Solar is to help you transition to becoming a better endurance athlete.

Hill score and Endurance score are not available on Enduro 2. Fenix 7X Pro Sapphire Solar do have both features.

Costs

Fenix 7X Pro Sapphire Solas has a cost of $999.99 and Enduro 2 has a cost of $1099.99.

Final verdict

There are not too many substantial differences between Fenix 7X Pro Sapphire Solar and Enduro 2.

The Fenix 7X Pro Sapphire Solar smartwatch does allow you to take ECG readings through the smartwatch. Enduro 2 lacks support for the Garmin ECG app as of November 2023.

You could pick any of these two smartwatches the core features and abilities are similar on both smartwatches.

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