Head-to-head · Best Smartwatches

OnePlus Watch 3 vs Samsung Galaxy Watch 8 Classic

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

OnePlus Watch 3 comes out ahead by a narrow margin (4.3 vs 4.2). The gap is mostly about Users seeking long battery life and durability — read the strengths below before deciding.

Higher ratedRanked #4 in Best Smartwatches

OnePlus Watch 3

4.3

4 sources

Battery life carries the OnePlus Watch 3: a 500 mAh cell plus a dual-engine architecture makes it one of the most reliable Wear OS watches you can buy. CNET praised the endurance, and GSMArena pointed to the MIL-STD-810H certification and IP68 rating behind its durable design. The 1.5-inch LTPO AMOLED display is bright and sharp. Reviewers were less pleased with a charging cradle that has to be lined up just right and with subpar audio during calls. Buy it for the battery and the build; look elsewhere if you need eSIM or better call quality.

Strengths

— Impressive battery life with 23% increase in capacity to 500 mAh
— Durable build with MIL-STD-810H certification and IP68/5ATM ratings
— Large 1.5-inch LTPO AMOLED display with 466x466px resolution and 2,200 nits brightness

Watch-outs

— Charging cradle requires precise alignment
— Sound quality during calls is tinny with average microphone performance
— No eSIM support despite Bluetooth and Wi-Fi connectivity

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Ranked #5 in Best Smartwatches

Samsung Galaxy Watch 8 Classic

4.2

4 sources$452.7as of Jul 31

PCMag's Andrew Gebhart liked the Samsung Galaxy Watch 8 Classic for its elegant design and high-quality tactile elements, especially the rotating bezel and the smooth One UI Watch interface. Comfort is where it comes apart. Andy Boxall, a Reddit user, and other reviewers all described a disproportionate shape and an awkward fit; one said it failed to become part of the wrist and was practically impossible to wear comfortably all day. The large size and weight also rule out overnight sleep tracking. Battery life is solid, but comfort and ergonomics remain major drawbacks for many users.

Strengths

— Polished finishing with silver-and-white color scheme that is striking yet classy
— Rotating bezel provides tactile joy with perfectly dampened clicks
— One UI Watch is smooth, slick, and fast to respond

Watch-outs

— Uncomfortable fit due to short and low lugs, flat case back, and tall bezel making it feel like an obstinate wart on the wrist
— Large dimensions make it annoying under cuffs and difficult to wear overnight for sleep tracking

$452.7 · Check Price on Amazon Full review →

How they stack up

OnePlus Watch 3

The OnePlus Watch 3 excels in battery life and durability, surpassing the Apple Watch Series 11 and Apple Watch SE in both areas, but it lacks the advanced health sensors and app ecosystem of Apple's offerings. Compared to the Garmin Venu 3, it offers better display resolution and a more comfortable fit, though it doesn't match the Garmin's sleep tracking or third-party app support. It's a strong contender for users who prioritize endurance and build quality over smart features.

Samsung Galaxy Watch 8 Classic

The Samsung Galaxy Watch 8 Classic stands out with its rotating bezel and elegant design, but it's significantly less comfortable than the OnePlus Watch 3, which offers a better fit despite similar size. Unlike the Apple Watch Ultra 2, it lacks ruggedization and outdoor-specific features, and while it has a polished UI, it doesn't match the Apple Watch Series 11 in terms of performance and health tracking capabilities.

Specs side-by-side

Spec	OnePlus Watch 3	Samsung Galaxy Watch 8 Classic
Display	1.5 inches LTPO AMOLED	1.9-inch Super AMOLED
Processor	Snapdragon W5 and BES2800 BP	Exynos W940
Water Resistance	IP68/5ATM	5ATM
Connectivity	Bluetooth and Wi-Fi	Wi-Fi, Bluetooth 5.3
Health Features	heart rate, and temperature sensor	heart rate, and temperature sensor
Weight	49.7g	49.7g
Dimensions	—	9.4 x 3 x 1.2 in

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