Garmin Vivoactive 6 vs Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm
Size, specs & wrist fit compared
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Which one fits you
Both need much the same wrist — roughly 44–61mm across the flat of the wrist. Neither will fit where the other won't, so decide on thickness, weight and features instead.
The Garmin Vivoactive 6 and Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm share a near-identical 42.2mm case, so wrist presence comes down to thickness, lug-to-lug and weight.
On the wrist the Garmin Vivoactive 6 feels lighter (36g vs 52g, case only).
The Garmin Vivoactive 6 is thinner than 84% of the 42mm watches we track and the Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm than 84% of the 43mm ones — so both wear flatter than their widths suggest.
The Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm is 0.3mm wider, 0.3mm longer and 16g heavier than the Garmin Vivoactive 6. Both are circular.
Garmin
Vivoactive 6
Samsung
Galaxy Watch6 Classic - Wi-Fi · 43mm
Switch or add watches
Garmin
Vivoactive 6
Samsung
Galaxy Watch6 Classic - Wi-Fi · 43mm
2D Dimension Schematics
Every case drawn to scale on a shared centre — from above, and in profile against the wrist.
- Garmin Vivoactive 642.2mm · 10.9mm thick
- Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm42.5mm · 10.9mm thick
3D preview
Garmin Vivoactive 6 vs Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm on a wrist
Sized to your own wrist, turned any way you like.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
Battery life compared
Furthest apart in Smartwatch mode, where the Garmin Vivoactive 6 lasts 6.9× as long as the Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm (11 days against 38.4 hours).
Garmin Vivoactive 6Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm
Smartwatch
11 days1.6 daysGPS
21 hours—
Specifications
The short version
10 key specs| Spec | GarminVivoactive 6 | SamsungGalaxy Watch6 Classic - Wi-Fi · 43mm |
|---|---|---|
| Case Width | 42.2mm | 42.5mm |
| Thickness | 10.9mm | 10.9mm |
| Weight | 36g | 52g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.2 inches | 1.3 inches |
| Battery life | 11 days | 1.6 days |
| Released | 2025 | 2023 |
Every specification
124 specs| Spec | Garmin Vivoactive 6 | Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm |
|---|---|---|
| Design | ||
| width | 42.2 | 42.5 |
| height | 42.2 | 42.5 |
| volume | 19.41 cm³ | 19.69 cm³ |
| weight | 36 g | 52 g |
| thickness | 10.9 | 10.9 |
| ATM rating | 5 ATM | 5 ATM |
| resolution | 390 x 390 px | 432 x 432 px |
| screen size | 1.2 inches | 1.3 inches |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Has a display | Yes | Yes |
| pixel density | 459 ppi | 453 ppi |
| width of band | 20 mm | 20 mm |
| water resistance | Waterproof | Waterproof |
| Always-On Display | Yes | Yes |
| has a touch screen | Yes | Yes |
| is designed for kids | No | No |
| Gorilla Glass version | Gorilla Glass 3 | — |
| waterproof depth rating | 50 m | 50 m |
| Watch band is replaceable | Yes | Yes |
| Has sapphire glass display | No | Yes |
| maximum operating temperature | 60 °C | 35 °C |
| has branded damage-resistant glass | Yes | No |
| lowest potential operating temperature | -20 °C | — |
| maximum altitude | — | 20029 feet |
| Ingress Protection (IP) rating | — | IP68 |
| Battery | ||
| charge time | 1.5 hours | — |
| battery life | 11 days | 1.6 days |
| has wireless charging | No | Yes |
| has a removable battery | No | No |
| battery life with GPS on | 21 hours | — |
| Has a solar power battery | No | No |
| has a rechargeable battery | Yes | Yes |
| battery power | — | 300 mAh |
| Sensors | ||
| has GPS | Yes | Yes |
| has a compass | Yes | Yes |
| Has a barometer | No | Yes |
| has a gyroscope | Yes | Yes |
| Has a cadence sensor | No | No |
| has an accelerometer | Yes | Yes |
| Monitors perspiration | No | No |
| Has a heart rate monitor | Yes | Yes |
| Has a temperature sensor | No | Yes |
| Monitors blood oxygenation levels | Yes | Yes |
| Features | ||
| release date | 2025-04-02 | 2023-07-26 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | Yes | No |
| warranty period | 1 years | 2 years |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | Yes | No |
| internal storage | 8GB | 16GB |
| measures VO2 max | Yes | Yes |
| Has notifications | Yes | Yes |
| Has ECG technology | No | Yes |
| Locates your phone | Yes | Yes |
| has a front camera | No | — |
| has fall detection | Yes | Yes |
| has voice commands | No | Yes |
| Acquires GPS faster | No | No |
| Has vibrating alerts | Yes | Yes |
| shows readiness level | No | No |
| Can be used to answer calls | No | Yes |
| measures resting heart rate | Yes | Yes |
| has irregular heart rate warnings | No | Yes |
| has fast/slow heart rate notifications | Yes | Yes |
| Has a built-in camera remote control function | No | Yes |
| RAM | — | 2GB |
| CPU speed | — | 2 x 1.4 GHz |
| Connectivity | ||
| has NFC | Yes | Yes |
| supports ANT+ | Yes | No |
| supports Wi-Fi | Yes | Yes |
| supports Galileo | Yes | Yes |
| has a cellular module | No | No |
| Is compatible with iOS | Yes | No |
| Is compatible with Android | Yes | Yes |
| Wi-Fi version | — | Wi-Fi 4 (802.11n) |
| Bluetooth version | — | 5.3 |
| Miscellaneous | ||
| has aptX | No | — |
| Has auto pause | Yes | Yes |
| Available on PC | Yes | — |
| Is compatible with Windows | Yes | No |
| Is compatible with Mac OS X | Yes | No |
| has an external memory slot | No | No |
| Compatible with smart scales | Yes | Yes |
| has a battery level indicator | Yes | Yes |
| has a socket for a 3.5 mm audio jack | No | No |
| Compatible with external heart rate monitors | Yes | Yes |
| Has passcode | — | Yes |
| App & Software | ||
| Ad-free | Yes | Yes |
| Free app | Yes | Yes |
| Tracks BMI | Yes | Yes |
| Has coaching | Yes | Yes |
| Includes maps | Yes | Yes |
| Supports routes | Yes | Yes |
| Has achievements | Yes | Yes |
| Has goal setting | Yes | Yes |
| Has live tracking | Yes | — |
| Has exercise diary | Yes | Yes |
| Predicts ovulation | Yes | — |
| Can be personalised | Yes | — |
| Has weight tracking | No | Yes |
| Predicts start date | Yes | Yes |
| Tracks water intake | Yes | Yes |
| Has inactivity alerts | Yes | Yes |
| Has period notifications | Yes | Yes |
| Has temperature tracking | No | Yes |
| Doesn’t require account | No | — |
| Provides activity reports | Yes | Yes |
| Displays fertile window notifications | Yes | — |
| Counts how many calories you've burned | Yes | Yes |
| Activity tracking | ||
| Measures pace | Yes | Yes |
| Tracks distance | Yes | Yes |
| Tracks elevation | No | Yes |
| Designed for golf | Yes | No |
| Tracks your sleep | Yes | Yes |
| Tracks steps taken | Yes | Yes |
| Designed for diving | No | No |
| Has a route tracker | No | Yes |
| Has exercise tagging | Yes | Yes |
| Has multi-sport mode | No | Yes |
| Tracks calorie intake | Yes | Yes |
| Provides sleep reports | Yes | Yes |
| Detects activities automatically | Yes | Yes |
| Has a stroke counter for swimming | Yes | Yes |
Wrist Fit
Garmin Vivoactive 6
Sits best on wrists ~44–60mm wide (≈ 11.7–16.0cm circumference).
Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm
Sits best on wrists ~45–61mm wide (≈ 12.0–16.3cm circumference).
Frequently Asked Questions
Is the Garmin Vivoactive 6 bigger than the Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm?
The Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm is bigger — 42.5mm vs 42.2mm case width.
Which fits a smaller wrist better, the Garmin Vivoactive 6 or the Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm?
The Garmin Vivoactive 6 suits wrists around 44–60mm wide, and the Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm around 45–61mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Garmin Vivoactive 6 and Samsung Galaxy Watch6 Classic - Wi-Fi · 43mm side by side at true scale?
Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.