WatchFitTool

Garmin Forerunner 570 42mm vs Forerunner 570 47mm

Size, specs & wrist fit compared

Garmin Forerunner 570 42mm Part 010-02970-00
Garmin Forerunner 570 42mm
42.4mmView specs
Garmin Forerunner 570 47mm Part 010-02971-00
Garmin Forerunner 570 47mm
47mmView specs

Which one fits you

Under 16.5 cm (6.5 in) round, the 47mm's lugs overhang and the 42mm's do not; the 42mm fills the wrist at 16–18 cm, the 47mm at 17.5–19.5 cm.

What else differs

  • Screen: the 47mm has the larger screen, 1.4 in across against 1.2 in on the 42mm.
  • Battery: 11 days for the 47mm against 10 days for the 42mm in everyday use; about 18 hours each with GPS on.

The Forerunner 570 47mm is 4.6mm wider and 8g heavier than the Forerunner 570 42mm.

Forerunner 570 42mm

Forerunner 570 47mm

Case width
42.4mm
47mm+4.6mm
Thickness
12.9mm
12.9mmsame
Weight
42g
50g+8g

Forerunner 570: 42mm or 47mm by wrist size

Wrist round (mm left each side)42mm≈49mm lug to lug, est.47mm≈54mm lug to lug, est.
14 cm / 5.5 inOverhangs (1.9mm over)Overhangs (4.4mm over)
15 cm / 5.9 inOverhangs (0.3mm over)Overhangs (2.8mm over)
16 cm / 6.3 inSweet spot (1.3mm)Overhangs (1.2mm over)
17 cm / 6.7 inSweet spot (2.9mm)Bold (0.4mm)
18 cm / 7.1 inBalanced (4.5mm)Sweet spot (2mm)
19 cm / 7.5 inBalanced (6.1mm)Sweet spot (3.6mm)
20 cm / 7.9 inBalanced (7.8mm)Balanced (5.3mm)

How the fit model works · Size chart for every wrist

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Garmin Forerunner 570 42mm

Garmin

Forerunner 570 42mm

Garmin Forerunner 570 47mm

Garmin

Forerunner 570 47mm

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Battery life compared

42mm47mm

  • Smartwatch

    10 days
    11 days

  • GPS only

    18 hours
    18 hours

  • All systems + multi-band

    13 hours
    14 hours

  • GPS with music

    9 hours
    9 hours

  • All systems + multi-band with music

    8 hours
    8 hours

More comparisons

Garmin Forerunner 570 42mm vs Garmin Vivoactive 6Garmin Epix Pro Gen 2 Standard Edition 42mm vs Garmin Forerunner 570 42mmGarmin Fenix 7 Pro Solar Edition vs Garmin Forerunner 570 42mmGarmin Fenix 8 43mm AMOLED vs Garmin Forerunner 570 42mm

2D Dimension Schematics

Top view
Side view
  • Garmin Forerunner 570 42mm 42.4mm × ≈49mm (est.) · 12.9mm thick
  • Garmin Forerunner 570 47mm 47mm × ≈54mm (est.) · 12.9mm thick
Full specs: Garmin Forerunner 570 42mmFull specs: Garmin Forerunner 570 47mm

3D preview

Forerunner 570 42mm vs Forerunner 570 47mm on a wrist

Open 3D try-on

Specifications

The short version

7 key specs
SpecGarminForerunner 570 42mmGarminForerunner 570 47mm
Case Width42.4mm47mm
Thickness12.9mm12.9mm
Weight42g50g
ShapeCircularCircular
Display typeAMOLED (optional always-on mode)AMOLED (optional always-on mode)
Battery lifeSmartwatch mode: Up to 10 days GPS-Only GNSS mode: Up to 18 hours SatIQ (AutoSelect) GNSS mode: Up to 14 hours All-Systems GNSS mode + Multi-Band: Up to 13 hours GPS-Only GNSS mode with music: Up to 9 hours SatIQ (AutoSelect) GNSS mode with music: Up to 8 hours All-Systems GNSS mode + Multi-Band with music: Up to 8 hours See DetailsSmartwatch mode: Up to 11 days GPS-Only GNSS mode: Up to 18 hours SatIQ (AutoSelect) GNSS mode: Up to 16 hours All-Systems GNSS mode + Multi-Band: Up to 14 hours GPS-Only GNSS mode with music: Up to 9 hours SatIQ (AutoSelect) GNSS mode with music: Up to 8 hours All-Systems GNSS mode + Multi-Band with music: Up to 8 hours See Details
Released20252025

Where the specifications differ

8 differences
SpecGarmin Forerunner 570 42mmGarmin Forerunner 570 47mm
General
Battery lifeSmartwatch mode: Up to 10 days GPS-Only GNSS mode: Up to 18 hours SatIQ (AutoSelect) GNSS mode: Up to 14 hours All-Systems GNSS mode + Multi-Band: Up to 13 hours GPS-Only GNSS mode with music: Up to 9 hours SatIQ (AutoSelect) GNSS mode with music: Up to 8 hours All-Systems GNSS mode + Multi-Band with music: Up to 8 hours See DetailsSmartwatch mode: Up to 11 days GPS-Only GNSS mode: Up to 18 hours SatIQ (AutoSelect) GNSS mode: Up to 16 hours All-Systems GNSS mode + Multi-Band: Up to 14 hours GPS-Only GNSS mode with music: Up to 9 hours SatIQ (AutoSelect) GNSS mode with music: Up to 8 hours All-Systems GNSS mode + Multi-Band with music: Up to 8 hours See Details
Display Size1.2" (30.4 mm) diameter1.4" (35.3 mm) diameter
Display resolution390 x 390 pixels454 x 454 pixels
Quick Release bandsyes (20 mm, Industry standard)yes (22 mm, Industry standard)
Product Info
Main SKU010-02970-00010-02971-00
Product ID14638211464001
Product NameForerunner® 570 - 42mmForerunner® 570 - 47mm
What You'll Love
Battery life (smartwatch mode)Up to 10 daysUp to 11 days

The other 260 specifications both list are identical.

Full Garmin Forerunner 570 42mm specifications →Full Garmin Forerunner 570 47mm specifications →

Forerunner 570 42mm specs →Forerunner 570 47mm specs →Compare more watches →