Realme Watch 2 vs Samsung Gear S2 (SM-R720)
Side by side comparison between Realme Watch 2 vs Samsung Gear S2 smartwatches, differences, pros, cons and full specifications. What's the better?
,
vs
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
250
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Gear S2 (SM-R720)
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!
7 Advantages 
10 Advantages | 11 Common items in both devices |
| Not supported / 4GB (2GB available) |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Heart rate |
| LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
| +4 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 | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Change model | ||
| Model | Watch 2 | Gear S2 (SM-R720) |
| Other model names | Realme Watch 2 (RMW2008) | Samsung Gear S2 BT SM-R720, Samsung Orbis |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Realme | Samsung |
| Release date | 5/1/2021 | 10/1/2015 |
| Depth | 12.2 millimeters (0.48 inches) | 13.4 millimeters (0.53 inches) |
| Size (width x height) | 25.8 x 35.7 millimeters (1.02 x 1.41 in) | 44 x 51.8 millimeters (1.73 x 2.04 in) |
| Weight | 38 grams (1.33 ounces) | 51 grams (1.79 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Waterproof (IP?) |
📲 Display | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 1.4" inches | 1.2" inches |
| Screen-to-body ratio | ~68.6% (screen-to-body ratio) | ~20.4% (screen-to-body ratio) |
| Display resolution | 320x320 pixels (1:1) | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 323 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 600nits[typ] | feature not registered |
🤖 Operating System | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| System version | Proprietary OS | Tizen 2.3 |
| Firmware update | feature not registered | Tizen 2.3.2 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Chipset | 32bit | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | feature not registered | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| RAM memory | feature not registered | 512MB LPDDR2 |
| Internal storage | Not supported | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| 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 | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| 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 | feature not registered |
| 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 | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| 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 | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP3 | feature not registered |
| Audio formats | MP3, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | Not supported | Not supported |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Sensors | Accelerometer Heart rate SpO2 | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 315 mAh | 250 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 48 hours (2 days) |
➕ Other features | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| Call control | Not supported | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, E-mail | SMS, MMS, E-mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Not supported | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Silicon straps colors: black, red, blue, green • Straps compatible: 22mm • Smart notifications • Smart AIoT Control • Watch Faces • 90 Sports Modes | • Colors: Dark Gray, Silver • Stainless Steel body • Samsung Pay • S-Voice, S-Health • Wireless Charging (Qi) • IP68 certified: dust and water resistant up to 1.5m and 30min |
☢️ Radiation rate | ||
| Realme Watch 2 | Samsung Gear S2 (SM-R720) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.08W/kg (head), 0.61W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |