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Head-to-head

Coros - PACE 3 vs Garmin - Fenix 8 Solar (47mm)

Last updated · How Mars Score works
PACE 3COROSRENDER
Probe A
Coros
PACE 3
46.6/ 100D
GPS & Sensors—· 40%
Battery47· 40%
Design—· 20%
Fenix 8 Solar (47mm)GARMINRENDER
Probe B
Garmin
Fenix 8 Solar (47mm)
58.4/ 100C
GPS & Sensors—· 40%
Battery58· 40%
Design—· 20%
Quick verdict

Between the PACE 3 and Fenix 8 Solar (47mm), the PACE 3 comes out ahead in several specs, while the Fenix 8 Solar (47mm) wins on gps mode and smartwatch mode. Overall, the PACE 3 scores 46.6 and the Fenix 8 Solar (47mm) scores 58.4 on our Mars Score.

Buying advice

Which should you buy?

The Fenix 8 Solar (47mm) is the clear pick on raw spec strength, leading by 11.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

The PACE 3 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.

Pick the Fenix 8 Solar (47mm) if you care most about gps mode and smartwatch mode. Its strongest claims are gps mode, smartwatch mode, solar charging, among others.

Both ship with comparable multi-band gps, so those specs don't separate the two — focus on the differences below.

Bottom line: the Fenix 8 Solar (47mm) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Coros - PACE 3 wins

  • No decisive advantages.

Why Garmin - Fenix 8 Solar (47mm) wins

  • ▲GPS mode — 173.68% more. 104 h vs 38 h.
  • ▲Smartwatch mode — 64.71% more. 28 days vs 17 days.
  • ▲Has Solar charging.
  • ▲Has ECG.
Full readout

Spec comparison

GPS & Sensors

SpecCoros - PACE 3Garmin - Fenix 8 Solar (47mm)
Multi-band GPStruetrue
Barometric altimetertruetrue
Heart ratetruetrue
ECGfalsetruelead
Pulse Oxtruetrue

Battery

SpecCoros - PACE 3Garmin - Fenix 8 Solar (47mm)
Smartwatch mode17 days28 dayslead
GPS mode38 h104 hlead
Solar chargingfalsetruelead

Design

SpecCoros - PACE 3Garmin - Fenix 8 Solar (47mm)
Case size42 mm47 mmlead
Weight39 glead82 g
Water resistanceⓘ5 ATM10 ATMlead
Drill down

Spec-level deep dives

Multi-band GPS→Barometric altimeter→Heart rate→ECG→Pulse Ox→Smartwatch mode→GPS mode→Solar charging→Case size→Weight→Water resistance→
By manufacturer

More from the same brands

Coros →4
Garmin →4

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