Garmin Forerunner 570 vs Garmin Venu 4

Garmin Forerunner 570 and Garmin Venu 4 are watches both released in 2025, with overlapping phone compatibility. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 16 fields, including 4 exact differences; it does not choose a winner.

Specifications side by side

Field	Garmin Forerunner 570	Garmin Venu 4
Release year	2025	2025
Case sizes	42 / 47 mm	41 / 45 mm
Display	AMOLED, Always-On	AMOLED, Always-On
Battery, as listed	Up to 10 days (47 mm) (approx.)	Up to 12 days
Operating system	Garmin OS	Garmin OS
Phone compatibility	Android, iPhone	Android, iPhone
Cellular connection	None	None
Water rating	5ATM	5ATM
Case material	Polymer/aluminum	Metal
GPS	Dual-frequency GNSS	Dual-frequency GNSS
Maps	No	No
Payment system	Garmin Pay	Garmin Pay
Plan requirement	Not required	Not required
Listed sensors and features	HRV, Readiness score, SpO2, Skin temperature	Sleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperature
Safety features	livelocate, SOS calling	livelocate, SOS calling
Hardware flashlight	No	Yes

"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.

Where they differ

Case sizes: Garmin Forerunner 570 lists 42 / 47 mm; Garmin Venu 4 lists 41 / 45 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Case material: Garmin Forerunner 570 lists Polymer/aluminum; Garmin Venu 4 lists Metal. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Listed sensors and features: Garmin Forerunner 570 lists HRV, Readiness score, SpO2, Skin temperature; Garmin Venu 4 lists Sleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperature. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
Hardware flashlight: Garmin Forerunner 570 lists No; Garmin Venu 4 lists Yes.

What separates these two

Both are 2025 Garmins with AMOLED displays, dual-band GNSS and no maps or cellular. The Venu 4 lists ECG and a sleep apnea sensor, neither of which the Forerunner 570 lists, plus an LED flashlight and a metal body against polymer and aluminum. Battery labels read up to 12 days on the Venu and up to ~10 days on the 47 mm Forerunner (approximate). The Forerunner 570 comes in 42 and 47 mm running-focused cases and lists a skin temperature sensor and readiness score, both of which the Venu 4 also lists. On listed specifications, this is one of the closer pairs in the batch.

Where they are the same

Both list release year: 2025.
Both list display: AMOLED, Always-On.
Both list operating system: Garmin OS.
Both list phone compatibility: Android, iPhone.
Both list cellular connection: None.
Both list water rating: 5ATM.
Both list gps: Dual-frequency GNSS.
Both list maps: No.
Both list payment system: Garmin Pay.
Both list plan requirement: Not required.
Both list safety features: livelocate, SOS calling.

Which one fits you

Garmin Forerunner 570 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

Garmin Venu 4 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.