Garmin Venu 4 - 45mm vs Samsung Galaxy Watch7 - Wi-Fi · 40mmSize, Specs & Wrist Fit Compared
The Garmin Venu 4 - 45mm is 4.6mm wider, 4.6mm longer, 2.3mm thicker and 4.2g heavier than the Samsung Galaxy Watch7 - Wi-Fi · 40mm. Both are circular.
Measured against the Garmin Venu 4 - 45mm.
- Case width
- 45mmbaseVenu 4 - 45mm40.4mm−4.6mmGalaxy Watch7 - Wi-Fi · 40mm
- Lug-to-lug
- 45mmbaseVenu 4 - 45mm40.4mm−4.6mmGalaxy Watch7 - Wi-Fi · 40mm
- Thickness
- 12mmbaseVenu 4 - 45mm9.7mm−2.3mmGalaxy Watch7 - Wi-Fi · 40mm
- Weight
- 38gbaseVenu 4 - 45mm33.8g−4.2gGalaxy Watch7 - Wi-Fi · 40mm
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Garmin
Venu 4 - 45mm
Samsung
Galaxy Watch7 - Wi-Fi · 40mm
Which one fits you
On wrists narrower than about 47mm, the Samsung Galaxy Watch7 - Wi-Fi · 40mm is the safer pick — it stays proportionate down to roughly 43mm, where the Garmin Venu 4 - 45mm starts to hang over the edge. Above 47mm both sit cleanly, and the Garmin Venu 4 - 45mm gives you more presence.
The Garmin Venu 4 - 45mm wears larger than the Samsung Galaxy Watch7 - Wi-Fi · 40mm (45mm vs 40.4mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.
The Samsung Galaxy Watch7 - Wi-Fi · 40mm is the slimmer of the two (9.7mm vs 12mm), so it slides under a cuff more easily.
On the wrist the Samsung Galaxy Watch7 - Wi-Fi · 40mm feels lighter (33.8g vs 38g, case only).
Among the 386 45mm watches we hold thickness for, the Garmin Venu 4 - 45mm is thinner than 76%, so it wears flatter than its width suggests.
Among the 509 40mm watches we hold thickness for, the Samsung Galaxy Watch7 - Wi-Fi · 40mm is thinner than 67%, so it wears flatter than its width suggests.
Specification Comparison
| Spec | GarminVenu 4 - 45mm | SamsungGalaxy Watch7 - Wi-Fi · 40mm |
|---|---|---|
| Case Width | 45mm | 40.4mm |
| Thickness | 12mm | 9.7mm |
| Weight | 38g | 33.8g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.4 inches | 1.3 inches |
| Always-On Display | Yes | Yes |
| Battery life | 12 days | 1.6 days |
| Has wireless charging | No | Yes |
| Has a removable battery | No | No |
| Has a solar power battery | No | No |
| Has a rechargeable battery | Yes | Yes |
| Has a battery level indicator | Yes | Yes |
| Released | 2025 | 2024 |
Hover a row to highlight that measurement in the schematics below.
2D Dimension Schematics
Every case drawn to scale on a shared centre — from above, and in profile against the wrist. Built from the measurements, so it works for every watch whether or not it has a photo.
- Garmin Venu 4 - 45mm45mm · 12mm thick
- Samsung Galaxy Watch7 - Wi-Fi · 40mm40.4mm · 9.7mm thick
Garmin Venu 4 - 45mm vs Samsung Galaxy Watch7 - Wi-Fi · 40mm on a wrist
Put Garmin Venu 4 - 45mm and Samsung Galaxy Watch7 - Wi-Fi · 40mm on the same arm, sized to your own wrist, and turn it. Side by side or stacked on one spot, whichever answers the question faster.
- Garmin Venu 4 - 45mm — 45mm case, standing 12mm off the wrist.
- Samsung Galaxy Watch7 - Wi-Fi · 40mm — 40.4mm case, standing 9.7mm off the wrist.
Whether that clears your wrist edges is the question worth answering, and it depends on your wrist rather than on the case diameter.
See them on a wrist in 3DCase shapes are generated from each watch's published measurements — case width, lug-to-lug and thickness — not from manufacturer 3D models, so the proportions are accurate while the dial is generic.
Battery life compared
Furthest apart in Smartwatch mode, where the Garmin Venu 4 - 45mm lasts 7.5× as long as the Samsung Galaxy Watch7 - Wi-Fi · 40mm (12 days against 38.4 hours).
Garmin Venu 4 - 45mmSamsung Galaxy Watch7 - Wi-Fi · 40mm
Smartwatch
12 days1.6 daysBattery Saver
25 hours—GPS
19 hours—
Full Specification Comparison
124 specs| Spec | Garmin Venu 4 - 45mm | Samsung Galaxy Watch7 - Wi-Fi · 40mm |
|---|---|---|
| Design | ||
| width | 45 | 40.4 |
| height | 45 | 40.4 |
| volume | 24.3 cm³ | 15.83 cm³ |
| weight | 38 g | 33.8 g |
| thickness | 12 | 9.7 |
| ATM rating | 5 ATM | 5 ATM |
| resolution | 454 x 454 px | 432 x 432 px |
| screen size | 1.4 inches | 1.3 inches |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Has a display | Yes | Yes |
| pixel density | 458 ppi | 327 ppi |
| width of band | 22 mm | 20 mm |
| water resistance | Waterproof | Water resistant |
| 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 | 55 °C | 35 °C |
| has branded damage-resistant glass | Yes | No |
| lowest potential operating temperature | -20 °C | 0 °C |
| Ingress Protection (IP) rating | — | IP68 |
| Battery | ||
| charge time | 1 hours | — |
| battery life | 12 days | 1.6 days |
| has wireless charging | No | Yes |
| has a removable battery | No | No |
| battery life with GPS on | 19 hours | — |
| Has a solar power battery | No | No |
| has a rechargeable battery | Yes | Yes |
| battery life in power save mode | 25 hours | — |
| battery power | — | 300 mAh |
| Sensors | ||
| has GPS | Yes | Yes |
| has a compass | Yes | Yes |
| Has a barometer | Yes | 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 | Yes | Yes |
| Monitors blood oxygenation levels | Yes | Yes |
| Features | ||
| release date | 2025-09-17 | 2024-07-10 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | No | No |
| warranty period | 1 years | — |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | Yes | Yes |
| internal storage | 8GB | 32GB |
| measures VO2 max | Yes | Yes |
| Has notifications | Yes | Yes |
| Has ECG technology | Yes | Yes |
| Locates your phone | Yes | Yes |
| has a front camera | No | — |
| has fall detection | Yes | Yes |
| has voice commands | Yes | Yes |
| Acquires GPS faster | Yes | Yes |
| Has vibrating alerts | Yes | Yes |
| shows readiness level | Yes | Yes |
| Can be used to answer calls | Yes | Yes |
| measures resting heart rate | Yes | Yes |
| has irregular heart rate warnings | Yes | Yes |
| has fast/slow heart rate notifications | Yes | Yes |
| Has a built-in camera remote control function | No | Yes |
| RAM | — | 2GB |
| 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 |
| Provides the sunrise/sunset time | 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 | Yes |
| Has weight tracking | Yes | Yes |
| Predicts start date | Yes | Yes |
| Tracks water intake | Yes | Yes |
| Has inactivity alerts | Yes | Yes |
| Has period notifications | Yes | Yes |
| Has temperature tracking | Yes | 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 | Yes | 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 | Yes | Yes |
| Has exercise tagging | Yes | Yes |
| Has multi-sport mode | Yes | No |
| 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 Venu 4 - 45mm
Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).
Samsung Galaxy Watch7 - Wi-Fi · 40mm
Sits best on wrists ~43–58mm wide (≈ 11.5–15.5cm circumference).
Frequently Asked Questions
Is the Garmin Venu 4 - 45mm bigger than the Samsung Galaxy Watch7 - Wi-Fi · 40mm?
The Garmin Venu 4 - 45mm is bigger — 45mm vs 40.4mm case width.
Which fits a smaller wrist better, the Garmin Venu 4 - 45mm or the Samsung Galaxy Watch7 - Wi-Fi · 40mm?
The Garmin Venu 4 - 45mm suits wrists around 47–64mm wide, and the Samsung Galaxy Watch7 - Wi-Fi · 40mm around 43–58mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Garmin Venu 4 - 45mm and Samsung Galaxy Watch7 - Wi-Fi · 40mm 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.