| Polar Grit X | Garmin Fenix | |
|---|---|---|
| Pricing | ||
| Starting price | $749★ | $999 |
| Subscription | ✓ None | ℹ️ Optional — $70/yr |
| Hardware | ||
| Weight | 57g | 56g★ |
| Water resistance | 100m★ | 10ATM |
| Battery | 40 days★ | 18 days |
| Always-on display | ❌ | ✅★ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Platform | iOS & Android | iOS & Android |
| Tier | Sports GPS | Sports GPS |
| Buy timing | ||
| Released | Apr 11, 2024 | Aug 14, 2024 |
| Cycle advice | bad | bad |
| Deals advice | good | good |
| Next model | — | Garmin Fenix 9 (H2 2026) |
Five times the battery of the Vantage V3 — enough for week-long mountain stages or ultramarathons without charging access.
Automatically segments your run by uphill and downhill sections, calculating pace and power for each — essential for mountain race training.
Running power without a chest strap or foot pod — Polar's key differentiator versus Garmin at this price tier.
First Fenix to include a speaker — enabling phone calls, Bluetooth audio, and voice prompts directly from the watch.
AMOLED for the best display at 18 days. Solar MIP for up to 48+ days in expedition conditions where charging is impossible.
EN13319 dive mode (up to 40m), MIL-STD-810 shock resistance, and TopoActive maps covering 100+ countries — the most capable outdoor watch in Garmin's lineup.
The right pick depends on what you optimize for.
$749 vs $1209 over 3 years · no required subscription.
40 days vs 18 days battery.
11 sensors.
56g · no required subscription.
Trail runners, hikers, and outdoor athletes who want Polar's analytics with significantly longer battery life than the Vantage V3. The titanium case and sapphire glass make it suitable for technical terrain where watch durability matters.
Full details →Expedition athletes, adventure racers, triathletes, mountaineers, and divers who need the most capable and durable GPS watch Garmin makes. Also for anyone who wants Garmin's best — full stop.
Full details →