Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm vs Samsung Galaxy Watch3 - LTE · 41mmSize, Specs & Wrist Fit Compared
The Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm is 0.5mm wider, 1mm shorter, 0.1mm thinner and 1.7g lighter than the Samsung Galaxy Watch3 - LTE · 41mm. Both are circular.
Measured against the Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm.
- Case width
- 41.5mmbaseGalaxy Watch 4 Classic - Thom Browne Edition · 45.5mm41mm−0.5mmGalaxy Watch3 - LTE · 41mm
- Lug-to-lug
- 41.5mmbaseGalaxy Watch 4 Classic - Thom Browne Edition · 45.5mm42.5mm+1mmGalaxy Watch3 - LTE · 41mm
- Thickness
- 11.2mmbaseGalaxy Watch 4 Classic - Thom Browne Edition · 45.5mm11.3mm+0.1mmGalaxy Watch3 - LTE · 41mm
- Weight
- 46.5gbaseGalaxy Watch 4 Classic - Thom Browne Edition · 45.5mm48.2g+1.7gGalaxy Watch3 - LTE · 41mm

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Samsung
Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm
Samsung
Galaxy Watch3 - LTE · 41mm
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 Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm wears larger than the Samsung Galaxy Watch3 - LTE · 41mm (41.5mm vs 41mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.
Among the 382 42mm watches we hold thickness for, the Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm is thinner than 74%, so it wears flatter than its width suggests.
Among the 374 41mm watches we hold thickness for, the Samsung Galaxy Watch3 - LTE · 41mm is thinner than 70%, so it wears flatter than its width suggests.
Specification Comparison
| Spec | SamsungGalaxy Watch 4 Classic - Thom Browne Edition · 45.5mm | SamsungGalaxy Watch3 - LTE · 41mm |
|---|---|---|
| Case Width | 41.5mm | 41mm |
| Lug-to-Lug | 41.5mm | 42.5mm |
| Thickness | 11.2mm | 11.3mm |
| Weight | 46.5g | 48.2g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | Waterproof |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.19 inches | 1.2 inches |
| Always-On Display | Yes | Yes |
| Charge time | 2 hours | 2 hours |
| Battery life | 2 days | 2 days |
| Battery power | 247 mAh | 247 mAh |
| Has wireless charging | Yes | 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 | 2021 | 2020 |
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.
- Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm41.5mm · 11.2mm thick
- Samsung Galaxy Watch3 - LTE · 41mm41mm × 42.5mm · 11.3mm thick
Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm vs Samsung Galaxy Watch3 - LTE · 41mm on a wrist
Put Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm and Samsung Galaxy Watch3 - LTE · 41mm 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.
- Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm — 41.5mm case, standing 11.2mm off the wrist.
- Samsung Galaxy Watch3 - LTE · 41mm — 41mm case, 42.5mm lug-to-lug, standing 11.3mm 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
Runtime for every power mode either watch publishes, 1 of them directly comparable.
Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mmSamsung Galaxy Watch3 - LTE · 41mm
Smartwatch
2 days2 daysGPS
10 hours—
Full Specification Comparison
116 specs| Spec | Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm | Samsung Galaxy Watch3 - LTE · 41mm |
|---|---|---|
| Design | ||
| width | 41.5 | 41 |
| height | 41.5 | 42.5 |
| volume | 19.29 cm³ | 19.69 cm³ |
| weight | 46.5 g | 48.2 g |
| thickness | 11.2 | 11.3 |
| ATM rating | 5 ATM | — |
| resolution | 396 x 396 px | 360 x 360 px |
| screen size | 1.19 inches | 1.2 inches |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Has a display | Yes | Yes |
| pixel density | 455 ppi | 424 ppi |
| width of band | 20 mm | 20 mm |
| water resistance | Waterproof | Waterproof |
| Always-On Display | Yes | Yes |
| has a touch screen | Yes | Yes |
| Gorilla Glass version | Gorilla Glass DX+ | Gorilla Glass DX |
| waterproof depth rating | 50 m | 50 m |
| Watch band is replaceable | Yes | Yes |
| Has sapphire glass display | No | No |
| Ingress Protection (IP) rating | IP68 | IP68 |
| has branded damage-resistant glass | Yes | Yes |
| Battery | ||
| charge time | 2 hours | 2 hours |
| battery life | 2 days | 2 days |
| battery power | 247 mAh | 247 mAh |
| has wireless charging | Yes | Yes |
| has a removable battery | No | No |
| battery life with GPS on | 10 hours | — |
| Has a solar power battery | No | No |
| has a rechargeable battery | Yes | Yes |
| Sensors | ||
| has GPS | Yes | Yes |
| has a compass | Yes | No |
| 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 | No | No |
| Monitors blood oxygenation levels | Yes | Yes |
| Features | ||
| RAM | 1.5GB | 1GB |
| CPU speed | 2 x 1.18 GHz | 2 x 1.15 GHz |
| release date | 2021-08-11 | 2020-08-06 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | No | No |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | No | No |
| internal storage | 16GB | 8GB |
| measures VO2 max | Yes | Yes |
| Has notifications | Yes | Yes |
| Has ECG technology | Yes | Yes |
| Locates your phone | Yes | Yes |
| has a front camera | No | No |
| has fall detection | Yes | Yes |
| has voice commands | Yes | Yes |
| Acquires GPS faster | No | No |
| Has vibrating alerts | Yes | Yes |
| number of microphones | 1 | 1 |
| shows readiness level | No | No |
| 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 | Yes | Yes |
| warranty period | — | 1 years |
| Connectivity | ||
| has NFC | Yes | Yes |
| SIM cards | 1 eSIM | 1 eSIM |
| Wi-Fi version | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) |
| supports ANT+ | No | No |
| supports Wi-Fi | Yes | Yes |
| supports Galileo | Yes | Yes |
| Bluetooth version | 5 | 5 |
| has a cellular module | Yes | Yes |
| Is compatible with iOS | No | Yes |
| Is compatible with Android | Yes | Yes |
| Miscellaneous | ||
| has aptX | No | No |
| Has passcode | Yes | Yes |
| Has auto pause | Yes | Yes |
| Is compatible with Windows | No | No |
| Is compatible with Mac OS X | No | 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 |
| App & Software | ||
| Ad-free | Yes | Yes |
| Free app | Yes | Yes |
| Tracks BMI | Yes | Yes |
| Has coaching | Yes | Yes |
| Supports routes | Yes | Yes |
| Has achievements | Yes | Yes |
| Has goal setting | Yes | Yes |
| Has exercise diary | Yes | Yes |
| Can be personalised | 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 | No | No |
| Provides activity reports | Yes | 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 | No | 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 | Yes |
| Tracks calorie intake | Yes | Yes |
| Provides sleep reports | Yes | Yes |
| Detects activities automatically | Yes | Yes |
| Has a stroke counter for swimming | Yes | No |
Wrist Fit
Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm
Sits best on wrists ~44–59mm wide (≈ 11.7–15.8cm circumference).
Samsung Galaxy Watch3 - LTE · 41mm
Sits best on wrists ~45–61mm wide (≈ 12.0–16.3cm circumference).
Frequently Asked Questions
Is the Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm bigger than the Samsung Galaxy Watch3 - LTE · 41mm?
The Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm is bigger — 41.5mm vs 41mm case width.
Which fits a smaller wrist better, the Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm or the Samsung Galaxy Watch3 - LTE · 41mm?
The Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm suits wrists around 44–59mm wide, and the Samsung Galaxy Watch3 - LTE · 41mm around 45–61mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Samsung Galaxy Watch 4 Classic - Thom Browne Edition · 45.5mm and Samsung Galaxy Watch3 - LTE · 41mm 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.
