Samsung Galaxy Watch (42mm SM-R810) vs Xiaomi Redmi Watch (WT02)
Side by side comparison between Samsung Galaxy Watch vs Xiaomi Redmi Watch smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
vs
What's the better smartwatch? Samsung Galaxy Watch (42mm SM-R810)
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!
10 Advantages 
6 Advantages | 14 Common items in both devices |
| 4GB (1.5GB available) / Not supported |
| Capacitive |
| Multitouch |
| Accelerometer |
| Barometer |
| Gyroscope |
| Heart rate |
| +7 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| Model | Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) |
| Other model names | Galaxy Watch 42mm Bluetooth SM-R810NZDAXAR, Samsung Galileo | Redmi Watch REDMIWT02, REDMI-WT02 (GPS) |
| Country or region available |  (Global, International) |  India |
| Brand | Samsung | Xiaomi |
| Release date | 8/1/2018 | 5/13/2021 |
| Depth | 12.7 millimeters (0.5 inches) | 11.9 millimeters (0.47 inches) |
| Size (width x height) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) | 35 x 41 millimeters (1.38 x 1.61 in) |
| Weight | 49 grams (1.72 ounces) | 22 grams (.77 ounces) |
| Build, materials | Stainless steel 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 1.2" inches | 1.4" inches |
| Screen-to-body ratio | ~24.3% (screen-to-body ratio) | ~44.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 320x320 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 323 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass DX+ | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | 350nits[typ] |
🤖 Operating System | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 32bit |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | ARM Mali-T720 MP1 | 3D GPU |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| RAM memory | 768MB LPDDR3 | feature not registered |
| Internal storage | 4GB (1.5GB available) eMMC | Not supported |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| 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 (42mm SM-R810) | Redmi Watch (WT02) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Barometer Compass Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 270 mAh | 230 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | Magnetic charging (dock) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 72 hours (3 days) | 240 hours (10 days) |
➕ Other features | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay | • Colors: Black, Blue, Ivory • Strap/bands: Black, Blue, Ivory, Olive • 2.5D curved display • Android/iOS compatible • Watch faces (+200) |
☢️ Radiation rate | ||
| Galaxy Watch (42mm SM-R810) | Redmi Watch (WT02) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.13W/kg (head), 0.33W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.037W/kg (head), 0.159W/kg (body) | feature not registered |