For anyone who is a fan of Samsung smartwatches, it’ll please you to know that the Active 2 and Galaxy Watch 3 are the most advanced smartwatches on the Samsung lineup. The Active 2 which was released last runs on the same Tizen 5.5 as the recently released Galaxy Watch 3. As a result, Active 2 also features incidental fall detection, ECG, blood pressure, and blood oxygen tracking just like Galaxy Watch 3. However, the difference between these two comes in the storage capacity, design, and price, this comparison graph compares the differences between Samsung Galaxy Watch 3 vs Galaxy Watch Active 2 to help you make a more informed choice.
Samsung Galaxy Watch 3 vs Galaxy Watch Active 2 Specifications Comparison
| Product Info |  Samsung Galaxy Watch 3 (45mm) Full Specifications and Features |
 Samsung Galaxy Watch Active 2 (44mm) Full Specifications, Features and Prices |
|---|---|---|
| Price | ||
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | (45mm), Bluetooth only, Samsung Galaxy Watch 3 | Samsung Galaxy Watch Active 2 (44mm) |
| Device type | Fitness/Classic smartwatch | Fitness/Classic smartwatch |
| Gender | Unisex | Unisex |
| Predecessor | Samsung Galaxy Watch | Samsung Galaxy Watch Active |
| Successor | — | — |
| Models | Bluetooth only, LTE | Bluetooth only, LTE |
| Date released | September, 2020 | September, 2019 |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.4 inches | 1.4 inches |
| Display type | Super AMOLED, Full color | Super AMOLED, Full color |
| Resolution | 360 x 360 pixel | 360 x 360 pixel |
| Pixel density | 346 PPI | — |
| Customizable watchface | Yes | Yes |
| Input type | 2 Physical buttons, Physical rotating bezel, Touchscreen | 2 Physical buttons, Digital rotating bezel, Touchscreen |
| Always-On | Yes | Yes |
| BODY | BODY | BODY |
| Shape | Circular | Circular |
| Case material | Stainless steel | Aluminum |
| Strap material | Leather | Fluoroelastomer (Aluminum) |
| Bezel material | Stainless steel | Corning Gorilla Glass DX+ |
| Strap size | 22 mm | 20 mm |
| Color | Black, Silver | Aqua-black, Cloud-silver, Pink-gold |
| Screen protection | Corning Gorilla glass DX+ | Corning Gorilla glass DX+ |
| Dimension | 46.2 x 45 x 11.1 mm | 44 x 44 x 10.9 mm |
| Weight | 53.8 grams | 30 grams (aluminum) |
| Waterproof rating | Yes, 5ATM | Yes, 5ATM |
| Swim-proof | Yes, recommended | Yes, recommended |
| Durability test | MIL-STD-810G | MIL-STD-810G |
| CONNECTIVITY | CONNECTIVITY | CONNECTIVITY |
| Bluetooth calling | Yes | Yes |
| Bluetooth | Bluetooth v5.0 | Bluetooth v5.0 |
| Wi-Fi | Yes, Wi-Fi 802.11 a/b/g/n/ac | Yes, Wi-Fi 802.11 a/b/g/n/ac |
| NFC | Yes | Yes |
| MEMORY | MEMORY | MEMORY |
| RAM | 1GB | 0.75GB |
| ROM | 8GB | 4GB |
| Memory card slot | No | No |
| CELLULAR | CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY |
| Network technology | None | None |
| SIM type | None | None |
| NOTIFICATIONS | NOTIFICATIONS | NOTIFICATIONS |
| SMS alert | Yes | Yes |
| Calls alert | Yes | Yes |
| Email alert | Yes | Yes |
| Event reminder | Yes | Yes |
| MEDIA | MEDIA | MEDIA |
| Audio | mp3/mp4 | mp3/mp4 |
| Microphone | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Bluetooth music | Yes | Yes |
| Camera | No | No |
| SENSORS | SENSORS | SENSORS |
| GPS | Yes, GPS/GLONASS/BEIDOU | Yes, GPS/GLONASS/BEIDOU |
| Accelerometer | Yes | Yes |
| HRM | Yes | Yes |
| Gyroscope | Yes | Yes |
| Pulse Ox. | Yes | No |
| Altimeter | Yes | No |
| Barometer | Yes | Yes |
| Compass | — | — |
| ECG | Yes | Yes |
| Thermometer | No | No |
| Ambient light | Yes | Yes |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Steps | Yes | Yes |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| Heart rate monitoring | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Floors climbed | Yes | Yes |
| Blood oxygen | Yes | No |
| Blood Pressure | Yes | Yes |
| Stress | Yes | Yes |
| ECG tracking | Yes | Yes |
| Fall detection | Yes | No |
| Menstrual cycle | Yes | No |
| VO2 Max | Yes | Yes |
| Onscreen workout | No | No |
| Preloaded sport modes | 39 | 39 |
| BATTERY | BATTERY | BATTERY |
| Battery type | Non-removable Li-ion battery | Non-removable Li-ion battery |
| Battery capacity | 340mAh | 340mAh |
| Battery life | Regular: 2 days, Standby :5 days+ | Regular usage: 3 days+, Standby :5 days+ |
| Charging type | WPC based wireless charging | WPC based wireless charging |
| Charging duration | 1-2 hours | 1-2 hours |
| Solar power | No | No |
| PLATFORM | PLATFORM | PLATFORM |
| Operating system | Tizen OS 5.5 | Tizen OS 4.0 |
| Chipset | Exynos 9110 | Exynos 9110 |
| CPU | Dual core 1.15GHz | Dual core 1.15GHz |
| GPU | — | — |
| MISC | MISC | MISC |
| Companion app | Samsung Gear app | Samsung Gear app |
| 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+ |
| Payment system | Samsung Pay | Samsung Pay |
| Customizable strap | Yes | Yes |
| Voice Assistant | Yes, Bixby | Yes, Bixby |
| Find my phone | Yes | Yes |
| Box content | Charger, Manual, Samsung Galaxy Watch 3, Straps | Charger, Manual, Samsung Galaxy Watch Active 2 (44mm), Straps |
| Price |
What’s the Difference?
Samsung Galaxy Watch Active 2 share a lot of features in common with Galaxy Watch 3 but differs in appearance, storage size, and prices. Galaxy Watch 3 has a bigger case unlike Active 2 which is very compact and lightweight. It also a bigger 8GB storage than 4GB of Active 2. Moreover, while Galaxy Watch 3 has a case made of more durable stainless steel and comes with leather straps, Active 2 has a case made of aluminum with silicone straps. Although, the Cellular model of Active 2 comes with a leather strap.
One more difference between these two is the rotating bezel, while Active 2 has a digital rotating bezel, Galaxy Watch 3 has a physical rotating bezel, I prefer the physical rotating bezel.
Beyond these slight differences, both Active 2 and Galaxy Watch 3 have the same features, same interface, same fitness tracking features, and about the same 1-2 days long battery life.
Which Should You Buy?
Galaxy Watch 3 has a far more compact size than its predecessor, Galaxy Watch, however, Active 2 is a very much compact smartwatch. If you want a compact and lightweight smartwatch, then Active 2 is a better choice.
Meanwhile, Galaxy Watch 3 is more durable and has a higher storage capacity.
Watch the video comparison of Samsung Galaxy Watch vs Active 2 vs Galaxy Watch
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