Samsung Gear S2 (3G SM-R730A) vs Samsung Gear S2 (SM-R720)
Side by side comparison between Samsung Gear S2 (3G SM-R730A) vs Samsung Gear S2 (SM-R720) smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
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 (3G SM-R730A)
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!
 5 Advantages Samsung Gear S2 (3G SM-R730A) | vs | 0 Advantage Samsung Gear S2 (SM-R720) |
| +1GHz 32bit Dual-core24% More powerful processor, you can open your applications faster | vs | 1GHz 32bit Dual-core |
| +3G+ HSPA+Advantage The 3G+ HSPA+ network is newer and faster | vs | Not supported |
| +(3G+ HSPA+) 21 MbpsAdvantage Faster for surfing the internet and download files | vs | (Not supported) |
| +300 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use | vs | 250 mAh |
| +A-GPS, GeoTaggingAdvantage It's harder to lose yourself in the city with GPS on your device | vs | Not supported |
| 26 Common items in both devices |
| 512MB / 512MB LPDDR2 |
| 4GB (2GB available) |
| 51 grams (1.79 ounces) |
| 13.4 millimeters (0.53 inches) |
| Super AMOLED |
| 16 million |
| 360x360 pixels |
| +19 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 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Model | Gear S2 (3G SM-R730A) | Gear S2 (SM-R720) |
| Other model names | AT&T Samsung Gear S2 SM-R730A, Samsung Orbis | Samsung Gear S2 BT SM-R720, Samsung Orbis |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 11/1/2015 | 10/1/2015 |
| Depth | 13.4 millimeters (0.53 inches) | 13.4 millimeters (0.53 inches) |
| Size (width x height) | 44 x 51.8 millimeters (1.73 x 2.04 in) | 44 x 51.8 millimeters (1.73 x 2.04 in) |
| Weight | 51 grams (1.79 ounces) | 51 grams (1.79 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Waterproof (IP?) | Waterproof (IP?) |
📲 Display | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.2" inches | 1.2" inches |
| Screen-to-body ratio | ~20.4% (screen-to-body ratio) | ~20.4% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| System version | Tizen 2.3 | Tizen 2.3 |
| Firmware update | Tizen 2.3.2 | Tizen 2.3.2 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8x26 | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 305 | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| RAM memory | 512MB | 512MB LPDDR2 |
| Internal storage | 4GB (2GB available) | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | Not supported |
| Maximum Download / Upload | 21/5.76 Mbps | feature not registered |
| Network technology | 2G, 3G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 850/1900 | Not supported |
| Primary 2G network | GSM 850/1900 | Not supported |
| Primary 3G network | UMTS 850/1900 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 | ||
| Samsung Gear S2 (3G SM-R730A) | 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 | feature not registered | 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 | ||
| Samsung Gear S2 (3G SM-R730A) | 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 | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| 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, eAAC+ |
🔌 Connectivity | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 4.1 + A2DP |
| 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 | Not supported |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 300 mAh | 250 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | feature not registered |
| Standby | 48 hours (2 days) | 48 hours (2 days) |
➕ Other features | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS, MMS, E-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, White • 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: 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 | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S2 (SM-R720) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.737W/kg (head), 0.893W/kg (body) | 0.08W/kg (head), 0.61W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |