Polar Vantage M3 vs Garmin Descent G2

4 recorded spec differences. Polar Vantage M3 is currently the cheaper of the two on Amazon.sa (SAR 2,351 vs SAR 2,529, checked 3 Nov 2026).

Specifications side by side

SpecPolar Vantage M3Garmin Descent G2
Phone, battery and calls
Battery life7 days10 days
Built-in GPSYesYes
Size, screen and durability
Case size45 mm42 mm
Display size1.28 in1.2 in
Water resistance5 ATM—
Case materialStainless steel—
Weight53 g—
Display typeAMOLEDAMOLED
Health and payments
ECGYes—
Blood oxygen (SpO2)—Yes
Contactless payment (NFC)No—
Heart-rate trackingYesYes
Other specs
Dimensions4.5 x 4.5 x 1.2 cm20.3 x 17 x 12.7 centimeters cm

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