Best Smartwatches · head-to-head

Garmin Venu 3 vs OnePlus Watch 3

A sourced, side-by-side comparison. OnePlus Watch 3 is cheaper at $330. Every spec and price links to its source.

Which is better: the Garmin Venu 3 or OnePlus Watch 3?

The Garmin Venu 3 wins 1 of the 1 specs we compare head to head; the other wins 0. The OnePlus Watch 3 is the cheaper at $330. Get the Garmin Venu 3 for the stronger spec sheet, the OnePlus Watch 3 to spend less.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Garmin Venu 3 OnePlus Watch 3
US price $449.99 MSRP, 45mm at launch $330 MSRP, US launch price
BrandGarminOnePlus
Released2023-082025-04
Case size (mm) 45 47
Display type AMOLED LTPO AMOLED
Battery hr 336 120
Gps Yes Yes
Lte option No No
Water resistance (m) 50 50
OS Garmin OS Wear OS 5
Ecg Yes No
Weight (g) 30 50
Release 2023-08 2025-04

Sources — Garmin Venu 3: androidpolice.com (verified 2026-06-15). OnePlus Watch 3: androidcentral.com (verified 2026-06-15).

What's the difference between the Garmin Venu 3 and OnePlus Watch 3?

Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.

  • Case size (mm): Garmin Venu 3 45 vs OnePlus Watch 3 47
  • Display type: Garmin Venu 3 AMOLED vs OnePlus Watch 3 LTPO AMOLED
  • Battery hr: Garmin Venu 3 336 vs OnePlus Watch 3 120
  • OS: Garmin Venu 3 Garmin OS vs OnePlus Watch 3 Wear OS 5
  • Ecg: Garmin Venu 3 true vs OnePlus Watch 3 false
  • Weight (g): Garmin Venu 3 30 vs OnePlus Watch 3 50

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Garmin Venu 3

Across four hands-on whitelisted reviews (Reviewed and DC Rainmaker lab-measured; TechRadar and Tom's Guide hands-on-only), the Venu 3 is praised as an excellent fitness/health tracker with a stunning AMOLED screen and multi-day battery. Consistent knocks: high price, weak third-party apps, no LTE, and durability/scratch concerns. (4 sourced reviews, 2 lab-tested.)

Praised: Bright, colorful 1.4-inch AMOLED display readable in all conditions; Long multi-day battery life, far beyond Apple/Samsung rivals; Accurate, detailed fitness and health tracking (HR within 1 BPM of chest strap).

Flagged: High price for a Garmin lacking premium training metrics; Limited third-party apps and no LTE; Durability concerns — Gorilla Glass 3 scratches easily, plasticky build.

OnePlus Watch 3

No sourced tester review yet.

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