Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm vs Samsung Galaxy Watch5 Pro - 45mmSize, Specs & Wrist Fit Compared
The Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm is 1.2mm longer, 1.1mm thicker and 7.3g heavier than the Samsung Galaxy Watch5 Pro - 45mm. Both are circular.
Measured against the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm.
- Case width
- 45mmbaseGalaxy Watch3 LTE 45mm - LTE · 41mm45mmsameGalaxy Watch5 Pro - 45mm
- Lug-to-lug
- 46.2mmbaseGalaxy Watch3 LTE 45mm - LTE · 41mm45mm−1.2mmGalaxy Watch5 Pro - 45mm
- Thickness
- 11.1mmbaseGalaxy Watch3 LTE 45mm - LTE · 41mm10mm−1.1mmGalaxy Watch5 Pro - 45mm
- Weight
- 53.8gbaseGalaxy Watch3 LTE 45mm - LTE · 41mm46.5g−7.3gGalaxy Watch5 Pro - 45mm
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Samsung
Galaxy Watch3 LTE 45mm - LTE · 41mm
Samsung
Galaxy Watch5 Pro - 45mm
Which one fits you
On wrists narrower than about 49mm, the Samsung Galaxy Watch5 Pro - 45mm is the safer pick — it stays proportionate down to roughly 47mm, where the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm starts to hang over the edge. Above 49mm both sit cleanly, and the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm gives you more presence.
The Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm and Samsung Galaxy Watch5 Pro - 45mm share a near-identical 45mm case, so wrist presence comes down to thickness, lug-to-lug and weight.
The Samsung Galaxy Watch5 Pro - 45mm is the slimmer of the two (10mm vs 11.1mm), so it slides under a cuff more easily.
On the wrist the Samsung Galaxy Watch5 Pro - 45mm feels lighter (46.5g vs 53.8g, case only).
Among the 386 45mm watches we hold thickness for, the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm is thinner than 87%, so it wears flatter than its width suggests.
Among the 386 45mm watches we hold thickness for, the Samsung Galaxy Watch5 Pro - 45mm is thinner than 99%, so it wears flatter than its width suggests.
Specification Comparison
| Spec | SamsungGalaxy Watch3 LTE 45mm - LTE · 41mm | SamsungGalaxy Watch5 Pro - 45mm |
|---|---|---|
| Case Width | 45mm | 45mm |
| Lug-to-Lug | 46.2mm | 45mm |
| Thickness | 11.1mm | 10mm |
| Weight | 53.8g | 46.5g |
| Shape | Circular | Circular |
| Water Resistance | Waterproof | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.4 inches | 1.4 inches |
| Always-On Display | Yes | Yes |
| Charge time | 2 hours | 1.5 hours |
| Battery life | 2 days | 3.5 days |
| Battery power | 340 mAh | 590 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 | 2020 | 2022 |
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 Watch3 LTE 45mm - LTE · 41mm45mm × 46.2mm · 11.1mm thick
- Samsung Galaxy Watch5 Pro - 45mm45mm · 10mm thick
Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm vs Samsung Galaxy Watch5 Pro - 45mm on a wrist
Put Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm and Samsung Galaxy Watch5 Pro - 45mm 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 Watch3 LTE 45mm - LTE · 41mm — 45mm case, 46.2mm lug-to-lug, standing 11.1mm off the wrist.
- Samsung Galaxy Watch5 Pro - 45mm — 45mm case, standing 10mm 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 Samsung Galaxy Watch5 Pro - 45mm lasts 1.8× as long as the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm (3.5 days against 2 days).
Samsung Galaxy Watch3 LTE 45mm - LTE · 41mmSamsung Galaxy Watch5 Pro - 45mm
Smartwatch
2 days3.5 daysBattery Saver
—80 hours
Full Specification Comparison
121 specs| Spec | Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm | Samsung Galaxy Watch5 Pro - 45mm |
|---|---|---|
| Design | ||
| width | 45 | 45 |
| height | 46.2 | 45 |
| volume | 23.08 cm³ | 20.25 cm³ |
| weight | 53.8 g | 46.5 g |
| thickness | 11.1 | 10 |
| resolution | 360 x 360 px | 450 x 450 px |
| screen size | 1.4 inches | 1.4 inches |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Has a display | Yes | Yes |
| pixel density | 364 ppi | 321 ppi |
| width of band | 22 mm | 20 mm |
| water resistance | Waterproof | Waterproof |
| Always-On Display | Yes | Yes |
| has a touch screen | Yes | Yes |
| Gorilla Glass version | Gorilla Glass DX | — |
| waterproof depth rating | 50 m | 50 m |
| Watch band is replaceable | Yes | Yes |
| Has sapphire glass display | No | Yes |
| Ingress Protection (IP) rating | IP68 | IP68 |
| has branded damage-resistant glass | Yes | No |
| ATM rating | — | 5 ATM |
| is designed for kids | — | No |
| maximum operating temperature | — | 35 °C |
| lowest potential operating temperature | — | 35 °C |
| Battery | ||
| charge time | 2 hours | 1.5 hours |
| battery life | 2 days | 3.5 days |
| battery power | 340 mAh | 590 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 |
| battery life in power save mode | — | 80 hours |
| 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 | No | Yes |
| Monitors blood oxygenation levels | Yes | Yes |
| Features | ||
| RAM | 1GB | 1.5GB |
| CPU speed | 2 x 1.15 GHz | 2 x 1.18 GHz |
| release date | 2020-08-06 | 2022-08-10 |
| Has a stopwatch | Yes | Yes |
| Has smart alarm | No | No |
| warranty period | 1 years | 1 years |
| Has call control | Yes | Yes |
| Has silent alarm | Yes | Yes |
| has HRV tracking | No | Yes |
| internal storage | 8GB | 16GB |
| 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 |
| Connectivity | ||
| has NFC | Yes | Yes |
| SIM cards | 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 | 5.2 |
| has a cellular module | Yes | No |
| Is compatible with iOS | Yes | No |
| 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 |
| 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 | Yes |
| Provides activity reports | Yes | Yes |
| Counts how many calories you've burned | Yes | Yes |
| Includes maps | — | Yes |
| Predicts ovulation | — | Yes |
| Can be personalised | — | 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 | Yes |
Wrist Fit
Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm
Sits best on wrists ~49–66mm wide (≈ 13.1–17.6cm circumference).
Samsung Galaxy Watch5 Pro - 45mm
Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).
Frequently Asked Questions
Is the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm bigger than the Samsung Galaxy Watch5 Pro - 45mm?
Both have a 45mm case. Compare their thickness and lug-to-lug above to judge wrist presence.
Which fits a smaller wrist better, the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm or the Samsung Galaxy Watch5 Pro - 45mm?
The Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm suits wrists around 49–66mm wide, and the Samsung Galaxy Watch5 Pro - 45mm around 47–64mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Samsung Galaxy Watch3 LTE 45mm - LTE · 41mm and Samsung Galaxy Watch5 Pro - 45mm 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.