Samsung Galaxy Watch Active 2 (Aluminum 40mm SM-R830) vs Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820)
Side by side comparison between Galaxy Watch Active 2 (Aluminum 40mm SM-R830) vs Galaxy Watch Active 2 (Aluminum 44mm SM-R820) smartwatches, differences, pros, cons and full specifications. What's the better?
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Compare Samsung Galaxy Watch Active 2 X Samsung Galaxy Watch Active 2 (Aluminum 40mm SM-R830) 02Points
1.2"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
247
mAh
mAh
(Non removable)
vs
02Points Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820) Compare Samsung Galaxy Watch Active 2 X
1.4"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
340
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
 2 Advantages Samsung Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | vs |  2 Advantages Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820) |
| +26 grams (.91 ounces)15% Lighter | vs | 30 grams (1.05 ounces) |
| +424 PPI16% Crisper display of text, images and videos because it has more pixels per inch (ppi) | vs | 364 PPI |
| 1.2" | vs | +1.4"17% Larger screen |
| 247 mAh | vs | +340 mAh38% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use |
| 29 Common items in both devices |
| 1.15GHz 64bit Dual-core (10nm) |
| 768MB LPDDR4 |
| 4GB (1.39GB available) |
| eMMC 5.1 |
| 10.9 millimeters (0.43 inches) |
| Aluminum body, glass front |
| Super AMOLED |
| +22 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Model | Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) |
| Other model names | Galaxy Watch Active2 SM-R830 (Bluetooth+WiFi Aluminium) | Galaxy Watch Active2 SM-R820 (Bluetooth+WiFi Aluminium) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 9/1/2019, Announced: 8/5/2019 | 9/1/2019, Announced: 8/5/2019 |
| Depth | 10.9 millimeters (0.43 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 40 x 40 millimeters (1.57 x 1.57 in) | 44 x 44 millimeters (1.73 x 1.73 in) |
| Weight | 26 grams (.91 ounces) | 30 grams (1.05 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum body, glass front |
| Protection against water and others | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.2" inches | 1.4" inches |
| Screen-to-body ratio | ~29% (screen-to-body ratio) | ~32.7% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 364 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| System version | Tizen 4.0 | Tizen 4.0 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Chipset | 64bit: Samsung Exynos 9110 (10nm) | 64bit: Samsung Exynos 9110 (10nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-T720 MP1 (667MHz) | ARM Mali-T720 MP1 (667MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| RAM memory | 768MB LPDDR4 | 768MB LPDDR4 |
| Internal storage | 4GB (1.39GB available) eMMC 5.1 | 4GB (1.39GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Not supported | 1 slot (Single-SIM) Not supported |
| Maximum Download / Upload | feature not registered | feature not registered |
| Network technology | feature not registered | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | Not supported |
| Primary 3G network | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | Not supported |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Back camera (main camera) | Not supported | Not supported |
| Main camera resolution | Not supported | Not supported |
| Video recording (primary) | Not supported | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Not supported | Not supported |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | 1 microphone |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4 |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Sensors | Accelerometer Ambient light sensor Barometer Heart rate Pedometer | Accelerometer Ambient light sensor Barometer Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 247 mAh | 340 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | Qi wireless charging |
| Talk time autonomy | 43 hours (1.8 days) | 60 hours (2.5 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay |
☢️ Radiation rate | ||
| Galaxy Watch Active 2 (Aluminum 40mm SM-R830) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.08W/kg (head), 0.11W/kg (body) | 0.17W/kg (head), 0.16W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.041W/kg (head), 0.101W/kg (body) | 0.057W/kg (head), 0.153W/kg (body) |