Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820) vs Ulefone Watch
Side by side comparison between Samsung Galaxy Watch Active 2 vs Ulefone Watch smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.4"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
340
mAh
mAh
(Non removable)
vs
1.3"
TFT
TFT
240x240
N/A
768MB
RAM
RAM
Dual-core
210
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!
20 Advantages 
2 Advantages | 9 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Heart rate |
| Pedometer |
| Li-Ion: lithium-ion (Non removable) |
| Qi wireless charging / Magnetic charging (dock) |
| +2 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 44mm SM-R820) | Ulefone Watch | |
| Model | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch |
| Other model names | Galaxy Watch Active2 SM-R820 (Bluetooth+WiFi Aluminium) | Ulefone Watch SW005, 2AOWKSW005 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Ulefone |
| Release date | 9/1/2019 | 10/27/2020 |
| Depth | 10.9 millimeters (0.43 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 44 x 44 millimeters (1.73 x 1.73 in) | 37 x 42 millimeters (1.46 x 1.65 in) |
| Weight | 30 grams (1.05 ounces) | 19 grams (.67 ounces) |
| Build, materials | Aluminum body, glass front | Plastic 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 |
📲 Display | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 1.4" inches | 1.3" inches |
| Screen-to-body ratio | ~32.7% (screen-to-body ratio) | ~35.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 240x240 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 364 PPI | 261 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass DX+ | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| System version | Tizen 4.0 | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 32bit: Apollo 3 Blue Plus |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Dual-core, 1 processor: 2x 96MHz ARM Cortex-M4 (Dual-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| RAM memory | 768MB LPDDR3 | 768MB SDRAM |
| Internal storage | 4GB (1.39GB available) eMMC | 2MB Flash (EEPROM) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 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 44mm SM-R820) | Ulefone Watch | |
| 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 44mm SM-R820) | Ulefone Watch | |
| 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 44mm SM-R820) | Ulefone Watch | |
| Loudspeaker | Supported | feature not registered |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4 | feature not registered |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, eAAC+ |
🔌 Connectivity | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Sensors | Accelerometer Ambient light sensor Barometer Heart rate Pedometer | Accelerometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 340 mAh | 210 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | Magnetic charging (dock) |
| Talk time autonomy | 60 hours (2.5 days) | 168.5 hours (7 days) |
| Standby | feature not registered | 1200 hours (50 days) |
➕ Other features | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| Call control | Voice dialing, Voice recorder, Voice commands | feature not registered |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | feature not registered |
| 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, Coral Pink, Turquoise • Wristbands: 22mm • 2.5D glass screen • 9 sports modes • VeryFit Pro App • Supports Android 4.4 or iOS 8 and above |
☢️ Radiation rate | ||
| Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | Ulefone Watch | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.17W/kg (head), 0.16W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.057W/kg (head), 0.153W/kg (body) | feature not registered |