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Polar Grit X2 Pro vs Suunto Vertical 2

Quick verdict

Polar Grit X2 Pro43 h GPS64 gAMOLED

Choose the Polar Grit X2 Pro if…

  • You want a lighter watch (64 g) with sapphire glass
  • Your challenges rarely exceed 30–35 h
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Suunto Vertical 265 h GPS87 gAMOLED

Choose the Suunto Vertical 2 if…

  • You run 100 milers or two-night traverses and need 65 h in dual-band
  • You want a built-in LED flashlight
View on Amazon(opens in a new tab)

For maximum autonomy on long ultras, Suunto Vertical 2 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Polar Grit X2 Pro. Both sit in the same price segment, so let battery, weight and the feature you value most decide.

Polar Grit X2 Pro or Suunto Vertical 2? GPS battery (43 h vs 65 h), weight (64 g vs 87 g), maps and multi-band, with a clear verdict and a check of whether each lasts your whole race.

Pick by what you need

  • If you run ultras or very long outings (65 h of GPS) → Suunto Vertical 2
  • If you want the lightest (64 g) → Polar Grit X2 Pro

Radar: where each watch wins

Absolute 0–100 scale, no exaggerated gaps: a tie stays a tie. Suunto Vertical 2 leads on 3 of 6 axes.

Radar of Polar Grit X2 Pro versus Suunto Vertical 2Six axes: GPS battery, everyday battery, lightness, maps, multi-band GPS, and display with extras.GPS batteryEverydaybatteryLightnessMapsMulti-bandGPSDisplay& extras
Radar of Polar Grit X2 Pro versus Suunto Vertical 2
AxisPolar Grit X2 ProSuunto Vertical 2
GPS battery36/10054/100
Everyday battery33/10067/100
Lightness52/10013/100
Maps100/100100/100
Multi-band GPS50/100100/100
Display & extras50/10050/100

GPS: 120 h = 100 · Weight: 35 g = 100, 95 g = 0 · Multi-band: by its battery (60 h = 100) · Display: AMOLED + music.

Spec-by-spec comparison

SpecPolar Grit X2 ProSuunto Vertical 2
GPS battery43 h65 h
Multi-band batteryYes65 h
Smartwatch10 days20 days
Weight64 g87 g
Maps✓✓
Multi-band✓✓
Music––
DisplayAMOLEDAMOLED
PriceHigh-endHigh-end
Where to buyView on Amazon(opens in a new tab)View on Amazon(opens in a new tab)

GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.

Polar Grit X2 ProPolarPolar Grit X2 Pro

Polar's adventure multisport watch: 1.39" AMOLED display with sapphire, dual-frequency GPS and full-colour offline topo maps. 43 h of battery in training mode and MIL-STD-810H military standard. Top-tier recovery and training metrics for demanding trail and outdoor use.

View on Amazon(opens in a new tab)
Suunto Vertical 2SuuntoSuunto Vertical 2

Adventure watch with a 1.5" 2,000-nit AMOLED display, a bezel-integrated LED flashlight (white and red, with SOS mode) and free offline topo maps. Up to 65 h of dual-band GPS and 20 days of daily use. Built for long ultras, mountain traverses and night sections.

View on Amazon(opens in a new tab)

Will it last your race? Real battery across 300 races

We estimated a mid-pack runner's finish time for every race in our calendar (distance, elevation and terrain) and added a 25% safety margin. Here's the result:

Polar Grit X2 Pro lasts 285 of 300 races

Suunto Vertical 2 lasts 297 of 300 races

RaceBattery neededPolar Grit X2 ProSuunto Vertical 2
Mongolia Trail Run170 km · 3800 m+43 hLastsLasts
Las 100 Millas de Boñar – Noche Roja161 km · 4560 m+43 hLastsLasts
Trail Menorca Camí de Cavalls185 km · 3500 m+45 hDiesLasts
Topo Athletic Bibracte Ultra-Trail185 km · 5500 m+50 hDiesLasts
UltraMediterrània162 km · 8050 m+53 hDiesLasts
Nice Côte d'Azur by UTMB168 km · 9000 m+56 hDiesLasts
Grand Raid de La Réunion180 km · 10200 m+62 hDiesLasts
L'Infernal Trail des Vosges205 km · 10000 m+66 hDiesDies

Estimate for a mid-pack runner on the longest distance, standard GPS on ultras and multi-band on races under 12 h. Tap a race to see the watches we recommend for it.

Verdict

For maximum autonomy on long ultras, Suunto Vertical 2 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Polar Grit X2 Pro. Both sit in the same price segment, so let battery, weight and the feature you value most decide.

Analysis: where they really differ

Both brands' adventure watches with offline topo maps, and both AMOLED. The Polar Grit X2 Pro offers a 1.39" screen with sapphire, 64 g and 43 h of battery. The Suunto Vertical 2 steps up to a 1.5" AMOLED, adds an LED flashlight and reaches 65 h in dual-band, at 87 g in steel (74 g in titanium). For ultras over 40 h (or two-night races) the Vertical 2 is the only one of the two that makes it without recharging.

Choose the Polar Grit X2 Pro if…

  • You want a lighter watch (64 g) with sapphire glass
  • Your challenges rarely exceed 30–35 h
  • You use the Polar ecosystem and its recovery metrics

Choose the Suunto Vertical 2 if…

  • You run 100 milers or two-night traverses and need 65 h in dual-band
  • You want a built-in LED flashlight
  • You prefer a larger screen for map navigation
View on Amazon: Polar Grit X2 Pro(opens in a new tab)View on Amazon: Suunto Vertical 2(opens in a new tab)

Frequently asked questions

Which lasts longer, Polar Grit X2 Pro or Suunto Vertical 2?
Polar Grit X2 Pro offers 43 h of GPS battery and Suunto Vertical 2 offers 65 h, so Suunto Vertical 2 lasts longer for long efforts.
Which one is lighter?
Polar Grit X2 Pro weighs 64 g and Suunto Vertical 2 weighs 87 g; Polar Grit X2 Pro is the lighter of the two.
Do both have onboard maps?
Yes, both Polar Grit X2 Pro and Suunto Vertical 2 include onboard topo maps.
Which is better for trail running and ultras, Polar Grit X2 Pro or Suunto Vertical 2?
Suunto Vertical 2: 65 h of GPS and onboard maps to navigate routes without relying on your phone.
Can I listen to music without my phone?
Neither the Polar Grit X2 Pro nor the Suunto Vertical 2 stores music onboard; you'll need to carry your phone.

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Polar Grit X2 Pro(opens in a new tab)Suunto Vertical 2(opens in a new tab)