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.
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TopsFive comparison scores
Side by side
| Polar Vantage M3 | Garmin Forerunner 570 | |
|---|---|---|
| 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 | — |
| Price | Check price → | Check price → |
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.
Check current pricing at the merchant links below. 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. 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.
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.

