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Head-to-head

Garmin - Fenix 8 Solar (47mm) vs Polar - Pacer Pro

Last updated · How Mars Score works
Fenix 8 Solar (47mm)GARMINRENDER
Probe A
Garmin
Fenix 8 Solar (47mm)
58.4/ 100C
GPS & Sensors—· 40%
Battery58· 40%
Design—· 20%
Pacer ProPOLARRENDER
Probe B
Polar
Pacer Pro
39.7/ 100D
GPS & Sensors—· 40%
Battery40· 40%
Design—· 20%
Quick verdict

Between the Fenix 8 Solar (47mm) and Pacer Pro, the Fenix 8 Solar (47mm) comes out ahead in smartwatch mode and gps mode, while the Pacer Pro wins on several specs. Overall, the Fenix 8 Solar (47mm) scores 58.4 and the Pacer Pro scores 39.7 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 18.7 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.

Pick the Fenix 8 Solar (47mm) if you care most about smartwatch mode and gps mode. The biggest gaps in its favor are smartwatch mode, gps mode, multi-band gps, among others.

The Pacer Pro similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

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 Garmin - Fenix 8 Solar (47mm) wins

  • ▲Smartwatch mode — 300.00% more. 28 days vs 7 days.
  • ▲GPS mode — 197.14% more. 104 h vs 35 h.
  • ▲Has Multi-band GPS.
  • ▲Has Solar charging.
  • ▲Has ECG.

Why Polar - Pacer Pro wins

  • No decisive advantages.
Full readout

Spec comparison

GPS & Sensors

SpecGarmin - Fenix 8 Solar (47mm)Polar - Pacer Pro
Multi-band GPStrueleadfalse
Barometric altimetertruetrue
Heart ratetruetrue
ECGtrueleadfalse
Pulse Oxtrueleadfalse

Battery

SpecGarmin - Fenix 8 Solar (47mm)Polar - Pacer Pro
Smartwatch mode28 dayslead7 days
GPS mode104 hlead35 h
Solar chargingtrueleadfalse

Design

SpecGarmin - Fenix 8 Solar (47mm)Polar - Pacer Pro
Case size47 mmlead45 mm
Weight82 g41 glead
Water resistanceⓘ10 ATMlead5 ATM
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

Garmin →4
Polar →2

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