Polar Vantage M3 vs Garmin Forerunner 570
Polar Vantage M3 (#3) vs Garmin Forerunner 570 (#4): in our Fitness & Sports Tracking scoring the Polar Vantage M3 totals 8.6/10 and the Garmin Forerunner 570 8.3/10, the Polar Vantage M3 leading on Training Metrics. At $499.99 versus $538.99, the Polar Vantage M3 costs $39 less.
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TopsFive comparison scores
Side by side
| Polar Vantage M3 | Garmin Forerunner 570 | |
|---|---|---|
| Price | $499.99 | $538.99 |
| Display | 1.28" AMOLED, 416x416, 1500 nits | 1.3"/1.4" AMOLED |
| GPS | Dual-frequency multi-GNSS | Multi-band GNSS |
| Battery | 7 days smartwatch / 30h GPS / 70h eco GPS | 22 hours GPS |
| Sensors | HR, SpO2, ECG, skin temperature, barometer | HR, SpO2 |
| Water Resistance | WR50 (50m) | 5 ATM |
| Weight | 53g | — |
How they differ in real use
Built from our fitness sports smartwatches scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Polar Vantage M3 and the Garmin Forerunner 570 made our Top 5 Fitness & Sports Tracking, at #3 and #4. Polar's mid-range multisport watch with dual-frequency GPS, ECG, and turn-by-turn navigation with offline maps. 7-day battery and 30h GPS at 53g. Strong training metrics with 150+ sport profiles. Mid-range entry to premium Garmin features with same Elevate Gen5 sensor as FR970. Two size options (42mm/47mm) at a more accessible price point than the FR970.
We score fitness & sports tracking on GPS Accuracy (30%), Training Metrics (30%), Battery Life (20%), Build Quality (10%) and Value (10%). On that basis the Polar Vantage M3 totals 8.6 out of 10 and the Garmin Forerunner 570 8.3. The widest gap is Training Metrics, where the Polar Vantage M3 scores 9 against 8 for the Garmin Forerunner 570 — VO2 max, recovery, training load.
On paper, the specifications that actually differ: Display — 1.28" AMOLED, 416x416, 1500 nits on the Polar Vantage M3 versus 1.3"/1.4" AMOLED on the Garmin Forerunner 570; GPS — Dual-frequency multi-GNSS on the Polar Vantage M3 versus Multi-band GNSS on the Garmin Forerunner 570; Battery — 7 days smartwatch / 30h GPS / 70h eco GPS on the Polar Vantage M3 versus 22 hours GPS on the Garmin Forerunner 570; Sensors — HR, SpO2, ECG, skin temperature, barometer on the Polar Vantage M3 versus HR, SpO2 on the Garmin Forerunner 570; Water Resistance — WR50 (50m) on the Polar Vantage M3 versus 5 ATM on the Garmin Forerunner 570.
Pricing as of August 19, 2026: $499.99 for the Polar Vantage M3 and $538.99 for the Garmin Forerunner 570, a $39 difference in the Polar Vantage M3's favor. Owners praise the Polar Vantage M3 for dual-frequency GPS for precise tracking and eCG, SpO2, skin temperature sensors; the most common complaint is no music storage. Owners praise the Garmin Forerunner 570 for elevate Gen5 sensor and two size options (42/47mm); the most common complaint is fewer metrics than FR970.
Polar Vantage M3
- Dual-frequency GPS for precise tracking
- ECG, SpO2, skin temperature sensors
- Turn-by-turn navigation with offline maps
- 7-day smartwatch battery / 30h GPS
- No music storage
- Smaller app ecosystem
- Less brand recognition
Garmin Forerunner 570
- Elevate Gen5 sensor
- Two size options (42/47mm)
- More accessible pricing
- Full Garmin ecosystem
- Fewer metrics than FR970
- No ECG
- No maps
Which should you buy?
The Polar Vantage M3 is the better fit for multisport athletes and runners wanting turn-by-turn navigation — it is the higher-scoring pick here, chiefly for Training Metrics. The Garmin Forerunner 570 is the better fit for mid-range Garmin seekers and runners wanting quality sensors. Since the Polar Vantage M3 is both the higher scorer and $39 cheaper, the Garmin Forerunner 570 only makes sense for mid-range Garmin seekers. The Polar Vantage M3 is a poor fit for music playback needs; the Garmin Forerunner 570 is a poor fit for advanced metrics needs.
Choose the Polar Vantage M3 if
- Multisport athletes
- Runners wanting turn-by-turn navigation
- Training load analysis
Skip it if
- Music playback needs
- Smartwatch-first users
Choose the Garmin Forerunner 570 if
- Mid-range Garmin seekers
- Runners wanting quality sensors
- Two-size preference
Skip it if
- Advanced metrics needs
- Map navigation needs
Common questions
Is the Polar Vantage M3 better than the Garmin Forerunner 570?
In our Fitness & Sports Tracking ranking the Polar Vantage M3 scores higher overall, 8.6 to 8.3, with the biggest advantage in Training Metrics. The Garmin Forerunner 570 does not out-score it on any criterion we weigh.
How much more does the Garmin Forerunner 570 cost than the Polar Vantage M3?
$39 more as of August 19, 2026: $538.99 for the Garmin Forerunner 570 against $499.99 for the Polar Vantage M3. Prices move, so the merchant page shows the current figure.
What is the main difference between the Polar Vantage M3 and the Garmin Forerunner 570?
The headline spec difference is Display: 1.28" AMOLED, 416x416, 1500 nits on the Polar Vantage M3 versus 1.3"/1.4" AMOLED on the Garmin Forerunner 570. In use, the gap that matters most is Training Metrics (9 vs 8 in our scoring): VO2 max, recovery, training load.