Skip to content
specpair

OnePlus Watch 2 vs Samsung Galaxy Watch8

Updated Apr 2026smartwatches
OnePlus Watch 2
OnePlus
OnePlus Watch 2
$300
VS

The Verdict

The OnePlus Watch 2 and Samsung Galaxy Watch8 sit in the same category and end up appealing to slightly different buyers. Both launched at roughly the same price ($300 vs $300), so cost is unlikely to be the deciding factor. The Samsung Galaxy Watch8 is the newer release, which usually means a faster chipset and longer software support. OnePlus Watch 2 stands out for industry-leading battery life for a wear os smartwatch, while Samsung Galaxy Watch8 is praised for thinnest galaxy watch at 8.6mm. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.

Who Should Buy

Buy the OnePlus Watch 2 if…

  • Industry-leading battery life for a Wear OS smartwatch
  • Dual-chip architecture combines Wear OS with efficient RTOS
  • Premium build with sapphire crystal and stainless steel

Buy the Samsung Galaxy Watch8 if…

  • Thinnest Galaxy Watch at 8.6mm
  • 3nm Exynos W1000 processor
  • 3000 nits peak brightness

Pros & Cons

OnePlus Watch 2

Pros

  • Industry-leading battery life for a Wear OS smartwatch
  • Dual-chip architecture combines Wear OS with efficient RTOS
  • Premium build with sapphire crystal and stainless steel
  • Dual-frequency L1+L5 GPS for accurate tracking
  • Full Google Wear OS app ecosystem

Cons

  • Only one 46mm size, too large for smaller wrists
  • No ECG or skin temperature sensor
  • No cellular variant available
  • Non-rotating crown, no rotating bezel
  • iPhone compatibility is limited

Samsung Galaxy Watch8

Pros

  • Thinnest Galaxy Watch at 8.6mm
  • 3nm Exynos W1000 processor
  • 3000 nits peak brightness
  • Wear OS 6 with Gemini AI assistant
  • Dual-frequency GPS

Cons

  • $300 starting price for base model
  • Battery life varies heavily with AOD
  • Limited third-party watch face selection on Wear OS

Full Specifications

SpecOnePlus Watch 2Samsung Galaxy Watch8
SoftwareWear OS 4 (dual-engine architecture)Wear OS 6 with Gemini
Body
Weight49 g28.8 g (40mm)
Case materialStainless steel case with sapphire crystal glassArmor Aluminum
Water resistance5 ATM, IP685ATM + IP68, MIL-STD-810H
Health & Sensors
ECG
SpO₂
Skin temperature
Heart rate
Sleep tracking
Battery
Battery lifeUp to 100 hours smart mode, 12 days power saverUp to 40 hours
Display
Size1.43 inch40mm / 44mm
TypeAMOLEDSuper AMOLED
Always-on display
Resolution466 x 466480 x 480 (44mm)
Processor
RAM2 GB2 GB
ChipsetSnapdragon W5 Gen 1 + BES2700 MCUExynos W1000 (3nm)
Connectivity
GPS
NFC
Wi-Fi
Cellular
Bluetooth5.05.3

Want to compare a third product?

Add another product for a 3-way comparison.

This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.

Explore more in smartwatches, see all OnePlus products or all Samsung products. View full details for the OnePlus Watch 2 or the Samsung Galaxy Watch8.