OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Smartwatches Methodology v3.0
Smartwatches Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Smartwatches Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Smartwatches Methodology v3.0

Garmin Fenix 8 review: 127 specs compared

Avg. price:~£?Screen size:1.3 inchBattery life:16 daysDisplay type:AMOLED

Garmin Fenix 8 Review: Compare 127 technical specifications, 54 expert and video reviews and 27 best-of lists to see how this product ranks in the Smartwatches category and whether it is worth buying.

Garmin Fenix 8
8.9/10

Overall score

Score
8.9/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, best-of lists, expert reviews and owners.
How we count it
Parts: Technical score 35%, List score 30%, Reviews score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 99% of models
Score components

35%

8.9

Technical score

30%

9.3

List score

25%

8.2

Reviews score

10%

9.7

Sentiment score

★Better than 99% of smartwatches
?

Value for money

Value for money
✕
What it is
An indicator that combines the smartwatch's overall rating with its cost.
When it matters
When you are looking for a smartwatch with a good balance between quality and price.
Score distribution
▼
<55-66-77-88-99-10
Score components

70%

8.9

Overall score

30%

?

Price

Price not known yet
8.9

Technical score

Technical score
8.9/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 99% of models
Score components

24%

8.9

Health

21%

9.9

Fitness

16%

8.7

Battery

14%

8.8

Smart features

12%

8.7

Connectivity

9%

7.9

Display & Design

4%

8.4

Hardware

★Better than 99%
8.2

Reviews score

Reviews score
8.2/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Every review counts the same: written or video, short or full test.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.5 for now.
Share: Reviews count 25% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 67% of models

80%

7.9

Average grade

20%

9.4

Popularity

Grades by review (54)
6 reviews + 48 videos, average 7.8/10. Reviews count 25% of the overall score.
User ratings collected online are not part of this score.
▲Better than 67%
9.3

List score

List score
9.3/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 30% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (27)
List score: in 27 of 124 lists (22%)
★Better than 99%
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Best prices
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of smartwatch Garmin Fenix 8

Technical score
Technical score
8.9/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 100% of models
Score components:

24%

8.9

Health

21%

9.9

Fitness

16%

8.7

Battery

14%

8.8

Smart features

12%

8.7

Connectivity

9%

7.9

Display & Design

4%

8.4

Hardware

8.9
Reviews score
8.2
List score
9.3
Value for money
Value for money
9.2/ 10
✕
What it is
An indicator that combines the smartwatch's overall rating with its cost.
When it matters
When you are looking for a smartwatch with a good balance between quality and price.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 99% of models
Score components:

70%

8.9

Overall score

30%

?

Price

9.2
Heart rate monitor
yes
This smartwatch includes a heart rate monitor. 9.5% of smartwatches include a heart rate monitor.
Blood oxygen monitoring
yes
This smartwatch supports blood oxygen monitoring. 30.4% of smartwatches support blood oxygen monitoring.
ECG
yes
This smartwatch supports ECG. 82.1% of smartwatches support ECG.
Irregular heart rate warnings
yes
This smartwatch supports irregular heart rate warnings. 49.5% of smartwatches support irregular heart rate warnings.
HRV tracking
yes
This smartwatch supports HRV tracking. 54.9% of smartwatches support HRV tracking.
Show more
Accelerometer
yes
This smartwatch includes an accelerometer. 0.5% of smartwatches include an accelerometer.
Barometer
yes
This smartwatch includes a barometer. 46.5% of smartwatches include a barometer.
Gyroscope
yes
This smartwatch includes a gyroscope. 28.9% of smartwatches include a gyroscope.
Cadence sensor
?
Distance tracking
yes
This smartwatch supports distance tracking. 3.7% of smartwatches support distance tracking.
Show more
What reviewers say
Battery life
16 days
Market range: <1 days – >16 days
This smartwatch lasts 16 days on a charge, which is longer than 87% of Smartwatches and the same as 1.3% of Smartwatches.
Battery life in training mode
47 h
Market range: <5.5 h – >48 h
This smartwatch records workouts for 47 h on a charge, which is longer than 88.4% of Smartwatches.
Battery life with GPS on
47 h
Market range: <5.75 h – >43 h
This smartwatch lasts 47 h with GPS on, which is longer than 90.3% of Smartwatches.
Battery power
?
Charge time
?
Show more
What reviewers say
Operating system
Garmin OS
This smartwatch runs Garmin OS, which is more advanced than the system in 70.8% of Smartwatches and equal to 9.2% of Smartwatches.
Software update frequency
occasional
This smartwatch has occasional software update support which is more active than that of 54% of smartwatches and equal to that of 40.2% of smartwatches.
Third-party app support
yes
This smartwatch supports third-party apps. 48.5% of smartwatches support third-party apps.
Notifications
yes
This smartwatch supports notifications. 0.3% of smartwatches support notifications.
Voice assistant support
yes
This smartwatch supports voice assistants. 30.8% of smartwatches support voice assistants.
Show more
What reviewers say
Cellular module
no
This smartwatch does not include a cellular module. 16.6% of smartwatches include a cellular module.
SIM cards
0
GPS
yes
This smartwatch supports GPS. 40.3% of smartwatches support GPS.
Galileo support
yes
This smartwatch supports Galileo navigation. 56.5% of smartwatches support Galileo navigation.
Dual-frequency GPS
yes
Garmin Fenix 8 supports dual-frequency GPS. 85% of Smartwatches offer this.
Show more
What reviewers say
Screen size
1.3 inch
Market range: <1.2 inch – >1.82 inch
This smartwatch has a 1.3 inch screen, which is smaller than 67.1% of Smartwatches and the same as 10.8% of Smartwatches.
Display type
AMOLED
This smartwatch uses AMOLED, which is more advanced than the screen in 46.9% of Smartwatches and equal to 53.1% of Smartwatches.
Resolution
454x 454
This smartwatch has a display resolution of 454x454 which is higher than that of 76.5% of smartwatches and equal to that of 7% of smartwatches.
Pixel density
453 ppi
Market range: <207 ppi – >461 ppi
This smartwatch has a pixel density of 453 ppi, which is higher than 75.6% of Smartwatches and equal to 2.3% of Smartwatches.
Display brightness
1,000 nits
Market range: <450 nits – >2k nits
This smartwatch has a screen brightness of 1,000 nits, which is higher than 53.5% of Smartwatches and equal to 27% of Smartwatches.
Show more
What reviewers say
CPU speed
?
Processor model
?
RAM
?
Internal storage
32 GB
Market range: <0 GB – >32 GB
This smartwatch has 32 GB of internal storage, which is more than 81.3% of Smartwatches and equal to 15% of Smartwatches.
External memory slot
no
This smartwatch does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
Show more
What reviewers say

Garmin Fenix 8 vs the average smartwatch

246810TotalHealthFitnessBatteryConnectivityDisplay & DesignSmart featuresHardware
  • ECG support
    This smartwatch supports ECG, the average smartwatch does not. 18% of smartwatches support ECG.
  • 9 days longer battery life
    This smartwatch runs longer per charge than the average smartwatch (16 days vs 7 days). The average smartwatch runs for 7 days on a charge.
    16 days vs 7 days
  • 26 h longer GPS battery life
    This smartwatch lasts longer with GPS on than the average smartwatch (47 h vs 21 h). The average smartwatch lasts 21 h with GPS on.
    47 h vs 21 h
  • Temperature sensing
    This smartwatch includes a temperature sensor, the average smartwatch does not. 31.9% of smartwatches include a temperature sensor.
  • Crash detection capability
    This smartwatch supports crash detection, the average smartwatch does not. 14% of smartwatches support crash detection.
  • 27 h longer training battery life
    This smartwatch lasts longer in training mode than the average smartwatch (47 h vs 20 h). The average smartwatch lasts 20 h in training mode.
    47 h vs 20 h
  • Readiness score
    This smartwatch supports readiness scores, the average smartwatch does not. 19.8% of smartwatches support readiness scores.
  • HRV tracking
    This smartwatch supports HRV tracking, the average smartwatch does not. 45.2% of smartwatches support HRV tracking.
  • 17.7% higher list score
    List score
    9.3/ 10
    ✕
    What it is
    How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
    How we count it
    Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 30% of the overall score.
    Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
    Lists with this model (27)
    List score: in 27 of 124 lists (22%)
    9.3 vs 7.9
  • 17.1% higher review score
    Reviews score
    8.2/ 10
    ✕
    What it is
    Average grade from independent test sites, magazines and video reviewers, 1–10.
    How we count it
    Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Every review counts the same: written or video, short or full test.
    Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
    Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.5 for now.
    Share: Reviews count 25% of the overall score.
    Score distribution
    ▼
    <55-66-77-88-99-10
    ▲ Better than 67% of models

    80%

    7.9

    Average grade

    20%

    9.4

    Popularity

    Grades by review (54)
    6 reviews + 48 videos, average 7.8/10. Reviews count 25% of the overall score.
    User ratings collected online are not part of this score.
    8.2 vs 7.0
  • 29.3% higher sentiment score
    9.7 vs 7.5
  • 19% better value for money
    Garmin Fenix 8 has a higher value-for-money score than the average smartwatch (9.24 vs 7.8).
    9.24 vs 7.76
  • ECG support
    This smartwatch supports ECG, the average smartwatch does not. 18% of smartwatches support ECG.
  • Temperature sensing
    This smartwatch includes a temperature sensor, the average smartwatch does not. 31.9% of smartwatches include a temperature sensor.
  • Readiness score
    This smartwatch supports readiness scores, the average smartwatch does not. 19.8% of smartwatches support readiness scores.
  • HRV tracking
    This smartwatch supports HRV tracking, the average smartwatch does not. 45.2% of smartwatches support HRV tracking.
  • 3 years newer
    This smartwatch was released more recently than the average smartwatch (2024 vs 2021). The average smartwatch was released in 2021.
    2,024 vs 2,021
  • Weight tracking
    This smartwatch supports weight tracking, the average smartwatch does not. 41.9% of smartwatches support weight tracking.
  • Water intake tracking
    This smartwatch tracks water intake, the average smartwatch does not. 44.1% of smartwatches track water intake.
  • Perspiration monitoring
    This smartwatch tracks perspiration, the average smartwatch does not. 15.1% of smartwatches track perspiration.
  • External heart rate monitor support
    This smartwatch supports external heart rate monitor compatibility, the average smartwatch does not. 46.6% of smartwatches support external heart rate monitor compatibility.
  • 9 days longer battery life
    This smartwatch runs longer per charge than the average smartwatch (16 days vs 7 days). The average smartwatch runs for 7 days on a charge.
    16 days vs 7 days
  • 26 h longer GPS battery life
    This smartwatch lasts longer with GPS on than the average smartwatch (47 h vs 21 h). The average smartwatch lasts 21 h with GPS on.
    47 h vs 21 h
  • 27 h longer training battery life
    This smartwatch lasts longer in training mode than the average smartwatch (47 h vs 20 h). The average smartwatch lasts 20 h in training mode.
    47 h vs 20 h
  • Maps support
    This smartwatch supports maps, the average smartwatch does not. 34.4% of smartwatches support maps.
  • NFC functionality
    This smartwatch supports NFC, the average smartwatch does not. 45.6% of smartwatches support NFC.
  • Supports Wi-Fi
    This smartwatch supports Wi-Fi, the average smartwatch does not. 43.5% of smartwatches support Wi-Fi.
  • Supports ANT+
    This smartwatch supports ANT+, the average smartwatch does not. 13% of smartwatches support ANT+.
  • Supports dual-frequency GPS
    Garmin Fenix 8 supports dual-frequency GPS, while the average smartwatch does not. 15.1% of Smartwatches support dual-frequency GPS.
  • Galileo satellite support
    This smartwatch supports Galileo navigation, the average smartwatch does not. 43.6% of smartwatches support Galileo navigation.
  • More current Bluetooth version
    This smartwatch uses a more current Bluetooth version than the average smartwatch (5.2 vs 5).
    5.2 vs 5.0
  • Rugged construction
    This smartwatch has a rugged design, the average smartwatch does not. 41.3% of smartwatches have a rugged design.
  • 50 m deeper water rating
    This smartwatch is rated for deeper water than the average smartwatch (100 m vs 50 m). The average smartwatch is rated to 50 m.
    100 m vs 50 m
  • 127 ppi sharper screen
    This smartwatch has a sharper screen than the average smartwatch (453 ppi vs 326 ppi). The average smartwatch has a pixel density of 326 ppi.
    453 ppi vs 326 ppi
  • Higher resolution
    This smartwatch has a display resolution of 454x454, while the average smartwatch reaches 360x360.
    454x454 vs 360x360
  • 250 nits brighter screen
    This smartwatch has a brighter screen than the average smartwatch (1000 nits vs 750 nits). The average smartwatch peaks at 750 nits.
    1,000 nits vs 750 nits
  • Crash detection capability
    This smartwatch supports crash detection, the average smartwatch does not. 14% of smartwatches support crash detection.
  • More advanced operating system
    This smartwatch runs a more advanced operating system than the average smartwatch (Garmin OS vs Proprietary OS).
    Garmin OS vs Proprietary OS
  • Emergency SOS
    This smartwatch includes Emergency SOS, the average smartwatch does not. 44.8% of smartwatches include Emergency SOS.
  • More frequent updates
    This smartwatch receives occasional software updates, while the average smartwatch receives ended updates.
    occasional vs ended
  • 8x more internal storage
    This smartwatch has more internal storage than the average smartwatch (32 GB vs 4 GB). The average smartwatch has 4 GB of internal storage.
    32 GB vs 4 GB
  • 2.1 mm thicker
    This smartwatch is thicker than the average smartwatch (13.8 mm vs 11.7 mm). The average smartwatch is 11.7 mm thick.
    13.8 mm vs 11.7 mm
  • 14 g heavier
    This smartwatch is heavier than the average smartwatch (59 g vs 45 g). The average smartwatch weighs 45.0 g.
    59 g vs 45.0 g
  • 0.1 inch smaller display
    This smartwatch has a smaller screen than the average smartwatch (1.3 inch vs 1.4 inch). The average smartwatch has a 1.4 inch screen.
    1.3 inch vs 1.4 inch
  • No smart alarm
    This smartwatch does not support a smart alarm, the average smartwatch does. 50.6% of smartwatches support smart alarms.
  • 2.1 mm thicker
    This smartwatch is thicker than the average smartwatch (13.8 mm vs 11.7 mm). The average smartwatch is 11.7 mm thick.
    13.8 mm vs 11.7 mm
  • 14 g heavier
    This smartwatch is heavier than the average smartwatch (59 g vs 45 g). The average smartwatch weighs 45.0 g.
    59 g vs 45.0 g
  • 0.1 inch smaller display
    This smartwatch has a smaller screen than the average smartwatch (1.3 inch vs 1.4 inch). The average smartwatch has a 1.4 inch screen.
    1.3 inch vs 1.4 inch
  • No smart alarm
    This smartwatch does not support a smart alarm, the average smartwatch does. 50.6% of smartwatches support smart alarms.

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
Kevin Muldoon
≈ estimated
30/08/2026
Long-term review · two months of use
Verdict
Garmin Fenix 8 is a worthy upgrade from older Garmin watches, with excellent battery life, but not needed for Fenix 7 owners.
9.0
Scott McKenna
≈ estimated
31/03/2026
Long-term test · 90 days of daily use
Verdict
Garmin Fenix 8 is a favourite watch for training and endurance, though Apple remains stronger for smart features and notifications.
9.0
Backpacking Bananas
≈ estimated
27/03/2026
Long-term test · one year of daily use
Verdict
Garmin Fenix 8 is still a favourite after a year and worth the price, though the jet lag advisor and some features could improve.
10
TechRadar
✓ explicit
15/03/2026
Hands-on review · long-term use, routing and training tests
Verdict
Garmin Fenix 8 is the best Garmin watch; the base model is excellent and unlikely to disappoint, though the Pro is overkill.
6.0
Tim.
≈ estimated
24/12/2025
Software update review · beta 21.12 with daily use
Verdict
Garmin Fenix 8 gets some welcome fixes, but responsiveness and menus still lag behind, and the reviewer keeps Apple Watch as their main watch.
8.0
JAZFIT
≈ estimated
12/09/2025
Long-term test · one year of daily use
Verdict
Garmin Fenix 8 is still a favourite despite cracks, software glitches and cost; battery life and physical buttons win it over.
9.0
Backpacking Bananas
≈ estimated
26/05/2025
Switch review · daily use and dive computer
Verdict
Garmin Fenix 8 is not for everyone because of the high price, but it is worth it for long workouts, travel and scuba diving.
9.5
AbbyBReviewing
✓ explicit
12/02/2025
Hands-on review · display, battery and feature tests
Verdict
Garmin Fenix 8 is a top-tier watch that performs very well overall, but it is too expensive at full price, so wait for sales.
7.0
Matt LeGrand
≈ estimated
09/02/2025
Long-term test · about 100 days of daily use
Verdict
Garmin Fenix 8 is enjoyable after months of use, but cheaper Garmin watches are strong alternatives for many buyers.
9.0
Clint Gibbs
≈ estimated
26/01/2025
Long-term review · several months of use
Verdict
Garmin Fenix 8 is the most versatile Garmin for everyday use and multisport, durable and very useful despite its high price.
6.0
WomanTechFan
≈ estimated
11/01/2025
Three-month impressions · software glitches and upgrade value
Verdict
Garmin Fenix 8 is a top sports watch, but frequent software glitches and little change from older Garmins make upgrading hard to justify.
7.0
The Quantified Scientist
≈ estimated
11/01/2025
Lab review · GPS, heart rate and sleep tests
Verdict
Garmin Fenix 8 has excellent GPS and the Garmin ecosystem, but a cheaper Garmin may suit many buyers just as well.
More graded video reviews (14)
creator’s own scoreestimated by us

What reviewers agree on

Based on 6 · 12

Reviewers praise the long battery life, tough premium build and voice features, but many feel it's overpriced and cellular support disappoints.
Praised
Mixed views
Criticised
Pick a topic to see who said what

Expert reviews

In-depth analysis and verdict from leading tech publications

8.6
mountaineerjourney.com
✓ explicit
14/03/2026
Long-term test · Outdoor GPS watch
Verdict
The Garmin Fenix 8 is a strong hiking watch with accurate GPS and full-color topo maps, best for serious trail users, but it is bulky with a steep learning curve.
8.0
businessinsider.com
≈ estimated
15/01/2026
Seven-month test · Multisport GPS watch
Verdict
The Garmin Fenix 8 is a rugged, long-lasting multisport watch that suits power users, but it is bulky and more watch than most people need.
8.5
runmorph.com
✓ explicit
10/07/2026
Expert review · Trail and multisport
Verdict
The Garmin Fenix 8 AMOLED suits multisport users who want offline topo maps, a flashlight and diving, but its 43-hour GPS battery is short for 48-hour runs.
9.0
reviewgadget.nl
≈ estimated
19/05/2026
Daily wear test · Trail and triathlon
Verdict
The Garmin Fenix 8 suits serious trail runners, hikers and triathletes who spend long hours away from a charger, but casual walkers will find it overkill.
8.0
wielrenner.eu
≈ estimated
30/03/2026
Hands-on test · Running and cycling
Verdict
The Garmin Fenix 8 is a strong outdoor watch with long battery life and round-trip routing, but most keen athletes can get by with a Forerunner 965.

Third-party reviews

What we like about Garmin Fenix 8

  • 16 days of battery life on a charge means fewer stops at the charger.
  • 47 h of GPS battery covers most long backcountry trips.
  • Dual-frequency GPS keeps the track accurate in city canyons and forest.
  • Offline topographic maps with contour lines help you stay on course.
  • A white and red LED flashlight helps on night trail runs.
  • Heart rate readings stayed within 1.4 bpm of a chest strap in tests.

What we don't like about Garmin Fenix 8

  • At 13.8 mm thick and 72 g with the strap, it feels bulky.
  • There is no cellular connection, so calls and messages need a phone nearby.
  • Map zooming can take a few seconds.
  • The speaker and microphone are rarely useful.
  • Dual-frequency GPS mode cannot last through a 30 h ultra race.

Verdict

Long days outside are where the Garmin Fenix 8 earns its place. It lasts 16 days on a charge and 47 h with GPS on, so long trips need little planning around power. Topographic maps are stored on the watch, and dual-frequency GPS switches on in forest and city canyons to keep the track accurate. A white and red LED flashlight helps with night trail runs. Crash detection, emergency SOS and ECG add a safety net on the trail. The trade-off is size: at 13.8 mm thick and 72 g with the silicone strap, you notice it over long distances. There is no cellular connection, so your phone must be close by to call or message. It suits a backcountry hiker or serious runner who values maps and battery life over a slim design.

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