Samsung Gear S2 (SM-R720) vs Samsung Gear S3 frontier (4G SM-R765S)
Side by side comparison between Samsung Gear S2 vs Samsung Gear S3 frontier smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
250
mAh
mAh
(Non removable)
vs
1.3"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
380
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Gear S3 frontier (4G SM-R765S)
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 
13 Advantages | 18 Common items in both devices |
| 4GB (2GB available) |
| Super AMOLED |
| 16 million |
| 360x360 pixels |
| Capacitive |
| Multitouch |
| Accelerometer |
| +11 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 | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Model | Gear S2 (SM-R720) | Gear S3 frontier (4G SM-R765S) |
| Other model names | Samsung Gear S2 BT SM-R720, Samsung Orbis | SKT Samsung Gear S3 R765S (SK Telecom) |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Samsung | Samsung |
| Release date | 10/1/2015 | 11/1/2016 |
| Depth | 13.4 millimeters (0.53 inches) | 12.9 millimeters (0.51 inches) |
| Size (width x height) | 44 x 51.8 millimeters (1.73 x 2.04 in) | 46 x 49 millimeters (1.81 x 1.93 in) |
| Weight | 51 grams (1.79 ounces) | 63 grams (2.21 ounces) |
| Build, materials | feature not registered | Stainless steel body, glass front |
| Protection against water and others | Waterproof (IP?) | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.2" inches | 1.3" inches |
| Screen-to-body ratio | ~20.4% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass SR+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| System version | Tizen 2.3 | Tizen 2.3.2 |
| Firmware update | Tizen 2.3.2 | Tizen 3.0 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Chipset | 32bit: Samsung Exynos 2 Dual 3250 (28nm) | 64bit: Samsung Exynos 7 Dual 7270 (14nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-400 MP2 400Mhz | ARM Mali-T720 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| RAM memory | 512MB LPDDR2 | 768MB LPDDR3 |
| Internal storage | 4GB (2GB available) | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | feature not registered | 150/50 Mbps |
| Network technology | feature not registered | 4G |
| 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 | LTE Cat4 850 (Bands 5) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | LTE |
| 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 | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| 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 | feature not registered | 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 | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| 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 | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 250 mAh | 380 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 48 hours (2 days) | 72 hours (3 days) |
➕ Other features | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS, 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: 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 | • Colors: Black • Leather band strap (22mm) • Stainless Steel body 316L • Samsung Pay • S-Voice, S-Health |
☢️ Radiation rate | ||
| Samsung Gear S2 (SM-R720) | Samsung Gear S3 frontier (4G SM-R765S) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.08W/kg (head), 0.61W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |