Smartwatches comparison

Garmin Venu 3 45mm vs Garmin Venu 3S 41mm

Compare every shared field with exact values, visual meters and a clear winner for each measurable specification.

Garmin Venu 3 45mm

Garmin Venu 3 45mm leads the measurable fields

It wins 3 fields to 1, with 2 ties. This count covers listed numeric fields—not total product quality.

3Garmin winsTO1Garmin wins2ties

SmartwatchesProduct A

Garmin

Garmin Venu 3 45mm

Your wrist, your priorities

Case size: 45 mm
Weight: 47 g
Battery life: 336 h
Storage: 8 GB

Buy now at Amazon

SmartwatchesProduct B

Garmin

Garmin Venu 3S 41mm

Your wrist, your priorities

Case size: 41 mm
Weight: 40 g
Battery life: 240 h
Storage: 8 GB

Buy now at Amazon

At a glance

Four differences most likely to change the choice.

Each card names the product with the measurable advantage and the size of the gap.

Longer battery life

Garmin Venu 3 45mm

Garmin Venu 3 45mm wins battery life by 40%.

Larger display

Garmin Venu 3 45mm

Garmin Venu 3 45mm wins display by 17%.

Lighter case

Garmin Venu 3S 41mm

Garmin Venu 3S 41mm wins weight by 15%.

Larger case

Garmin Venu 3 45mm

Garmin Venu 3 45mm wins case size by 10%.

Field comparison

Read every measurable field as a meter.

Longer means stronger only for the stated direction. Exact values remain beside every bar.

Case size

A larger case can improve glanceability; a smaller one may fit narrow wrists better.

Higher wins

Garmin Venu 3 45mm

45 mm

Garmin Venu 3S 41mm

41 mm

Field winner Larger caseGarmin Venu 3 45mm

Case weight

Lower listed case weight can improve all-day comfort.

Lower wins

Garmin Venu 3 45mm

47 g

Garmin Venu 3S 41mm

40 g

Field winner Lighter caseGarmin Venu 3S 41mm

Listed battery life

Battery claims vary with display mode, GPS and workout tracking.

Higher wins

Garmin Venu 3 45mm

336 h

Garmin Venu 3S 41mm

240 h

Field winner Longer battery lifeGarmin Venu 3 45mm

Storage

More storage can hold additional apps, music and offline content.

Higher wins

Garmin Venu 3 45mm

8 GB

Garmin Venu 3S 41mm

8 GB

Field winner TieTie

Display size

A larger display can show more information at a glance.

Higher wins

Garmin Venu 3 45mm

1.4 in

Garmin Venu 3S 41mm

1.2 in

Field winner Larger displayGarmin Venu 3 45mm

Listed water resistance depth

Water-resistance ratings apply only under the stated test conditions.

Higher wins

Garmin Venu 3 45mm

50 m

Garmin Venu 3S 41mm

50 m

Field winner TieTie

Your Fit Meter

Make the decision personal.

Move the sliders to show how much each field matters to you. The result changes instantly and stays separate from the factual field winners.

Garmin Venu 3 45mm50/100

Garmin Venu 3S 41mm50/100

Adjust the sliders to calculate your fit.

Case size6/10

A larger case can improve glanceability; a smaller one may fit narrow wrists better.

Weight6/10

Lower listed case weight can improve all-day comfort.

Battery life6/10

Battery claims vary with display mode, GPS and workout tracking.

Storage4/10

More storage can hold additional apps, music and offline content.

Display4/10

A larger display can show more information at a glance.

Full field comparison

Every available field, value and winner.

8 of 8 fields have values for both products. Descriptive fields are shown without inventing a winner.

Specification	Garmin Venu 3 45mm	Garmin Venu 3S 41mm	Field winner
Design
Case sizeA larger case can improve glanceability; a smaller one may fit narrow wrists better.	45 mmWinner	41 mm	Larger case Garmin Venu 3 45mm has the higher listed value.
Case weightLower listed case weight can improve all-day comfort.	47 g	40 gWinner	Lighter case Garmin Venu 3S 41mm has the lower listed value.
Power
Listed battery lifeBattery claims vary with display mode, GPS and workout tracking.	336 hWinner	240 h	Longer battery life Garmin Venu 3 45mm has the higher listed value.
Memory & storage
StorageMore storage can hold additional apps, music and offline content.	8 GB	8 GB	Tie Both products list the same value.
Display
Display sizeA larger display can show more information at a glance.	1.4 inWinner	1.2 in	Larger display Garmin Venu 3 45mm has the higher listed value.
Protection
Listed water resistance depthWater-resistance ratings apply only under the stated test conditions.	50 m	50 m	Tie Both products list the same value.
Sensors
PositioningPositioning capability and accuracy vary with environment and mode.	Multi-GNSS	Multi-GNSS	Tie Both products list the same value.
Connectivity
Wireless connectionCompatibility depends on the watch and paired phone.	Bluetooth / Wi-Fi	Bluetooth / Wi-Fi	Tie Both products list the same value.

Decision summary

Choose the strengths that fit your life.

Choose product A when…

Garmin Venu 3 45mm

Its strongest measurable advantages in this head-to-head are:

Case size: 45 mm
Battery life: 336 h
Display: 1.4 in

Buy now at Amazon

Choose product B when…

Garmin Venu 3S 41mm

Its strongest measurable advantages in this head-to-head are:

Weight: 40 g

Buy now at Amazon

Field wins compare listed numbers only. They do not prove overall quality, durability, comfort, camera output or real-world performance. Product configurations and availability can vary; confirm the exact Amazon listing before purchase.

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