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Head-to-head

Coros - VERTIX 2S vs Garmin - Forerunner 965

Last updated · How Mars Score works
VERTIX 2SCOROSRENDER
Probe A
Coros
VERTIX 2S
66.9/ 100C
GPS & Sensors· 40%
Battery67· 40%
Design· 20%
Forerunner 965GARMINRENDER
Probe B
Garmin
Forerunner 965
49.7/ 100D
GPS & Sensors· 40%
Battery50· 40%
Design· 20%
Quick verdict

Between the VERTIX 2S and Forerunner 965, the VERTIX 2S comes out ahead in gps mode and smartwatch mode, while the Forerunner 965 wins on several specs. Overall, the VERTIX 2S scores 66.9 and the Forerunner 965 scores 49.7 on our Mars Score.

Buying advice

Which should you buy?

The VERTIX 2S is the clear pick on raw spec strength, leading by 17.2 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 VERTIX 2S if you care most about gps mode and smartwatch mode. The biggest gaps in its favor are gps mode, smartwatch mode, solar charging.

The Forerunner 965 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

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

Bottom line: the VERTIX 2S is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Coros - VERTIX 2S wins

  • GPS mode — 280.65% more. 118 h vs 31 h.
  • Smartwatch mode — 82.61% more. 42 days vs 23 days.
  • Has Solar charging.

Why Garmin - Forerunner 965 wins

  • No decisive advantages.
Full readout

Spec comparison

GPS & Sensors

SpecCoros - VERTIX 2SGarmin - Forerunner 965
Multi-band GPStruetrue
Barometric altimetertruetrue
Heart ratetruetrue
ECGfalsefalse
Pulse Oxtruetrue

Battery

SpecCoros - VERTIX 2SGarmin - Forerunner 965
Smartwatch mode42 dayslead23 days
GPS mode118 hlead31 h
Solar chargingtrueleadfalse

Design

SpecCoros - VERTIX 2SGarmin - Forerunner 965
Case size50.3 mmlead47 mm
Weight84 g53 glead
Water resistance10 ATMlead5 ATM
Drill down

Spec-level deep dives

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