One of the most anticipated smartwatches of 2020 is here, Samsung announced the Galaxy Watch 3 at an unpacked event on 5th August. It’s the latest smartwatch on Samsung’s rich smartwatch lineup, and it comes with more fitness tracking features in a slimmer and more compact design. Remember, Samsung had released Galaxy Active last year in March and then Galaxy Active 2 later in August, both of which feature a digital rotating bezel. However, Galaxy Watch 3 succeeds in the original Galaxy Watch that was released in 2018. It’s available in two sizes; 41mm and 45mm models, and this comparison post compares the differences between Samsung Galaxy Watch 3 (41mm) vs (45mm), so you know all the differences.
Samsung Galaxy Watch 3 41mm vs 45mm Full Specs Compared
| Samsung Galaxy Watch 3 (41mm) | Samsung Galaxy Watch 3 (45mm) | |
|---|---|---|
 |  | |
ABOUT DEVICE | ||
| Device name | Samsung Galaxy Watch 3 (41mm) Bluetooth | Samsung Galaxy Watch 3 (45mm) Bluetooth |
| Device type | Classic/Fitness smartwatch | Classic/Fitness smartwatch |
| Predessesor | Samsung Galaxy Watch | Samsung Galaxy Watch |
| Successor | Galaxy Watch 4 Classic | Galaxy Watch 4 Classic |
| Released date | August, 2020 | August, 2020 |
| Ideal for | Women | Men |
DISPLAY | ||
| Display type | Super AMOLED Full color | Super AMOLED Full color |
| Display size | 1.2 inches | 1.4 inches |
| Display resolution | 360 x 360 pixels | 360 x 360 pixels |
| Pixel density | 346 ppi | 346 ppi |
| Input type | Touchscreen, 2 physical buttons physical rotating bezel | Touchscreen, 2 physical buttons physical rotating bezel |
| Always-on | Yes | Yes |
| Customizable watch face | Yes | Yes |
BODY | ||
| Shape | Circular | Circular |
| Dimension | 42.5 x 41 x 11.3 mm | 46.2 x 45 x 11.1 mm |
| Weight | 48.2 grams (excluding straps) | 53.8 grams (excluding straps) |
| Casing material | Stainless steel frame/glass reinforced with polycarbonate back | Stainless steel frame/glass reinforced with polycarbonate back |
| Strap/band material | Leather | Leather |
| Bezel Material | Ceramics | Ceramics |
| Strap size | 20mm | 22mm |
| Interchangeable band | Yes, 20mm | Yes, 22mm |
| Screen protection | Corning Gorilla glass DX | Corning Gorilla glass DX |
| Water resistant/Protection | Yes, IP68, 5ATM MIL-STD-810G | Yes, IP68, 5ATM MIL-STD-810G |
| Swim-proof | Yes, recommended | Yes, recommended |
| Color(s) | Mystic bronze Mystic silver | Mystic black Mystic silver |
MEMORY | ||
| RAM | 1GB | 1GB |
| Internal storage | 8GB | 8GB |
| Memory card slot | No | No |
CONNECTIVITY | ||
| Bluetooth | Bluetooth v5.0 | Bluetooth v5.0 |
| Bluetooth calling | Yes | Yes |
| Wi-Fi | Yes | Yes |
| NFC | Yes | Yes |
| Payment system | Samsung pay | Samsung pay |
| GPS | GLONASS/A-GPS/Beidou/Galileo | GLONASS/A-GPS/Beidou/Galileo |
CELLULAR TECHNOLOGY | ||
| Technology | No | No |
| SIM | No | No |
| Band | No | No |
NOTIFICATIONS | ||
| Email alert | Yes | Yes |
| SMS alert | Yes | Yes |
| Calls alert | Yes | Yes |
| Event reminder | Yes | Yes |
| Weather | Yes | Yes |
| Third-party apps | Yes | Yes |
| Text response | Yes | Yes |
FITNESS TRACKING | ||
| Sleep apnea | No | No |
| Sleep tracking | Yes | Yes |
| Steps | Yes | Yes |
| Floors climbed | Yes | Yes |
| Heart rate monitoring | Yes | Yes |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| Stress | Yes | Yes |
| VO2 Max. | Yes | Yes |
| Blood oxygen | Yes | Yes |
| Blood pressure | Yes | Yes |
| Menstrual cycle tracking | Yes | Yes |
| Swim tracking | Yes | Yes |
| Under-water heart rate tracking | Yes | Yes |
| Preloaded maps | Yes | Yes |
| On-screen workout modes | __ | __ |
| Triathlon mode | Yes | Yes |
| ECG Tracking | Yes | Yes |
| Preloaded sport modes | Yes, 90 | Yes, 90 |
| Safety tracking | Yes | Yes |
MEDIA | ||
| Audio | mp3/mp4 | mp3/mp4 |
| Music streaming | Yes | Yes |
| Bluetooth music | Yes | Yes |
| Radio | No | No |
| Loudspeaker | Yes | Yes |
| Microphone | Yes | Yes |
| Camera | No | No |
SENSORS | ||
PLATFORM | ||
| Operating system (OS) | Tizen OS 5.5 | Tizen OS 5.5 |
| Chipset | Exynos 9110 | Exynos 9110 |
| CPU | Dual core 1.15GHz | Dual core 1.15GHz |
| GPU | -- | -- |
BATTERY | ||
| Type of battery | Non-removable Li-ion battery | Non-removable Li-ion battery |
| Battery capacity | 247mAh | 340mAh |
| Battery life | Mixed Usage:1 day+ | Mixed Usage:2 days |
| Charging type | Charging dock Wireless charging | Charging dock Wireless charging |
| Charging time | About 1-2 hours | About 1-2 hours |
| Battery saver mode | Yes | Yes |
| Solar power | No | No |
| Rapid charging | _ | _ |
CLOCK FEATURES | ||
| Time/Date | Yes | Yes |
| Stopwatch | Yes | Yes |
| Alarm | Yes | Yes |
OTHER FUNCTIONS | ||
| Control camera | Yes | Yes |
| Music control | Yes | Yes |
| Find phone | Yes | Yes |
MISC | ||
| Compatibility | Android 5.0+ & RAM 1.5GB+ iPhone 5+ and iOS 9.0+ | Android 5.0+ & RAM 1.5GB+ iPhone 5+ and iOS 9.0+ |
| Companion app | Samsung Wearable app | Samsung Wearable app |
| Voice command | Yes | Yes |
BOX CONTENTS | ||
| Samsung Galaxy Watch 3 (41mm) | Samsung Galaxy Watch 3 (45mm) | |
| Straps | Straps | |
| Charger | Charger | |
| Quick start guide | Quick start guide | |
| NOTE: We can't guarantee that all the information on this table are 100% correct. Read full disclaimer. Please, report an error. | ||
| Official Site | Official Site | |
What’s the Difference?
The difference between Samsung Galaxy Watch 3 (41mm) and (45mm) is that the latter is bigger and has a bigger display size than the 41mm. The 45mm weighs more and has a slightly longer battery life than 41mm, and is also priced higher.
- Design
- Battery Life
- Prices
Basically, both Galaxy Watch 3 41mm and 45mm have the same features. It’s the same stainless steel case material and leather straps. Both also feature the iconic physical rotating bezel and touchscreen support with 2 physical buttons. The difference though between the 41mm and 45mm is that the former has a smaller case size, it’s more compact than 45mm. Both are more compact than their predecessors.
While the 41mm has a smaller 1.2 inches case, the 45mm has a bigger 1.4 inches display. AMOLED powers the display on both smartwatches.
The strap sizes are also different, while 41mm comes with 20mm leather straps, 45mm comes with 22mm wide leather straps. Both are interchangeable with compatible straps.
Both models are rated 5ATM (waterproof up to 50 meters) and certified MIL-STD-810G. There are over 50000 watch faces to choose from on Galaxy Watch 3.
There’s also a difference in the battery department just like you get with the older Galaxy Watch. While 45mm has a larger battery capacity of 340mAh, 41mm has a battery capacity of 247mAh. Samsung claims the Galaxy Watch 3 can last up to 2 days, this means you can expect just over a day with the 41mm on mixed usage.
The prices of 41mm and 45mm are also different. Prices of the 41mm start at $399 for the Bluetooth model and $430 for the LTE model, while the 45mm Bluetooth model is priced at $429 and $480 for the LTE model.
Which Should You Buy?
You should go for the one that best suit your wrist size. It’s common for men to choose the 45mm model as a result of having fatter wrist sizes, while the 41 mm will make a perfect choice for women and for those with thinner wrist sizes.
Prices
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Hi! I’m Jude, the chief editor at Smartwatchseries.com
I’m a graduate of biochemistry, a 3D artist and a passionate fitness enthusiast. On here, I and other smartwatch fans work hard to help you find the right smartwatch for you with our guides, reviews, and comparisons.
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