Samsung Galaxy Watch (42mm SM-R815W) vs Samsung Gear S2 Classic (CDMA SM-R735V)
Side by side comparison between Samsung Galaxy Watch vs Samsung Gear S2 Classic smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Galaxy Watch (42mm SM-R815W)
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!
11 Advantages 
2 Advantages | 17 Common items in both devices |
| Super AMOLED |
| 16 million |
| 360x360 pixels |
| 424 PPI |
| 1.2" |
| Capacitive |
| Multitouch |
| +10 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-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Model | Galaxy Watch (42mm SM-R815W) | Gear S2 Classic (CDMA SM-R735V) |
| Other model names | Galaxy Watch 42mm (4G LTE) SM-R815WZDAXAC, Samsung Galileo | Verizon Samsung Gear S2 classic R735V, Samsung Orbis |
| Country or region available |  Canada |  USA |
| Brand | Samsung | Samsung |
| Release date | 8/1/2018 | 3/1/2016 |
| Depth | 12.7 millimeters (0.5 inches) | 13.4 millimeters (0.53 inches) |
| Size (width x height) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) | 46.9 x 44 millimeters (1.85 x 1.73 in) |
| Weight | 49 grams (1.72 ounces) | 54 grams (1.89 ounces) |
| Build, materials | Stainless steel body, glass front | feature not registered |
| 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. | Waterproof (IP?) |
📲 Display | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.2" inches | 1.2" inches |
| Screen-to-body ratio | ~24.3% (screen-to-body ratio) | ~22.5% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 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 DX+ | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| System version | Tizen 4.0 | Tizen 2.3 |
| Firmware update | feature not registered | Tizen 2.3.2 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| RAM memory | 1.5GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 4GB (1.5GB available) eMMC | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 10 Mbps | 3.1 Mbps |
| Network technology | 3G, 4G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | CDMA 800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | CDMA2000 EV-DO Rev A |
| 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-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| 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 | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| 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-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Loudspeaker | Supported | Supported |
| 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, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + 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, GLONASS | Not supported |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 270 mAh | 300 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 5 hours |
| Standby | 72 hours (3 days) | 48 hours (2 days) |
➕ Other features | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push 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: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with Bell and Telus carriers | • Colors: Black, Platinum, Rose Gold • Leather strap • 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 | ||
| Galaxy Watch (42mm SM-R815W) | Samsung Gear S2 Classic (CDMA SM-R735V) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.961W/kg (head), 1.786W/kg (body) | 1.365W/kg (head), 2.003W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |