Garmin Forerunner 265 vs Samsung Galaxy Watch Ultra
The Verdict
Garmin's Forerunner 265 delivers exceptional value for serious runners with its lightweight design, stellar 13-day battery life in smartwatch mode, and reliable fitness tracking via SpO2, heart rate, and sleep monitoring. Samsung's Galaxy Watch Ultra commands premium pricing ($649.99 vs $449.00) with titanium construction, advanced health metrics including ECG and skin temperature, superior 1.5-inch Super AMOLED display (3000 nits, 480x480 resolution), cellular connectivity, and extended 60-hour battery in Power Saving mode. While the Forerunner 265 excels in everyday durability and battery efficiency, the Galaxy Watch Ultra's comprehensive health suite, brighter display, and cellular independence justify its higher cost for users wanting a complete smartwatch ecosystem. For dedicated athletes prioritizing GPS accuracy and multi-week battery, choose the Garmin. For those wanting a premium all-in-one device with advanced biometrics, Samsung wins.
Who Should Buy
Buy the Garmin Forerunner 265 if…
- →Vibrant AMOLED display is a massive upgrade over the 255's MIP screen
- →Training Readiness and Morning Report provide actionable fitness insights
- →Multi-band GPS delivers extremely accurate pace and distance tracking
Buy the Samsung Galaxy Watch Ultra if…
- →Premium titanium build with 10ATM water resistance and MIL-STD durability
- →Bright 3000-nit Super AMOLED display with sapphire crystal protection
- →Dual-frequency GPS (L1 + L5) for precise outdoor tracking
Category Scores
Pros & Cons
Garmin Forerunner 265
Pros
- Vibrant AMOLED display is a massive upgrade over the 255's MIP screen
- Training Readiness and Morning Report provide actionable fitness insights
- Multi-band GPS delivers extremely accurate pace and distance tracking
- 13-day battery with AMOLED is exceptional — best in its class
- Race Widget helps plan pacing strategy for upcoming events
Cons
- No built-in maps — only breadcrumb trail navigation
- No music storage on the base model (265 Music has it)
- No cellular connectivity — phone required for notifications
- Proprietary charging cable is easy to forget when traveling
Samsung Galaxy Watch Ultra
Pros
- Premium titanium build with 10ATM water resistance and MIL-STD durability
- Bright 3000-nit Super AMOLED display with sapphire crystal protection
- Dual-frequency GPS (L1 + L5) for precise outdoor tracking
- Big 590 mAh battery delivers up to 100 hours in Power Saving mode
- Customizable Quick Button for fast access to workouts and apps
Cons
- Very expensive at $649 — Samsung's priciest watch yet
- Only one 47mm size, too large for smaller wrists
- BioActive sensor and BP/ECG features require Samsung phone
- Design closely mimics Apple Watch Ultra
- Limited third-party app ecosystem versus Apple Watch
Full Specifications
| Spec | Garmin Forerunner 265 | Samsung Galaxy Watch Ultra |
|---|---|---|
| Software | Garmin OS (Connect IQ) | Wear OS 5 with One UI Watch 6 |
| Body | ||
| Weight | 47 g | 60.5 g |
| Case material | Fiber-reinforced polymer | Titanium Grade 4 |
| Water resistance | 5ATM | 10ATM + IP68 + MIL-STD-810H |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 13 days (smartwatch), 20 hrs GPS | Up to 60 hours in Power Saving mode (590 mAh) |
| Display | ||
| Size | 46mm (1.3 inches) | 47mm (1.5") |
| Type | AMOLED | Super AMOLED with Sapphire Crystal glass, up to 3000 nits |
| Always-on display | ||
| Resolution | 416 x 416 | 480 x 480 |
| Processor | ||
| Chipset | Garmin custom processor | Samsung Exynos W1000 (3nm, 5-core) |
| RAM | — | 2 GB |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.3 |
Related Comparisons
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 Garmin products or all Samsung products. View full details for the Garmin Forerunner 265 or the Samsung Galaxy Watch Ultra.