Samsung Galaxy S6 (SM-G920i) vs Samsung Galaxy Watch (42mm SM-R815U)
Side by side comparison between Samsung Galaxy S6 vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?
,
5.1"
AMOLED
AMOLED
1440x2560
16
MP
MP
5mp
3GB
RAM
RAM
Octa-core
2550
mAh
mAh
(Non removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy S6 (SM-G920i)
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!
24 Advantages 
5 Advantages | 15 Common items in both devices |
| Super AMOLED |
| 16 million |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 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 S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Model | Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) |
| Other model names | Galaxy S6 G920i, Samsung Zero F | Galaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo |
| Country or region available |      (Latin America), Australia, Brazil, India, Singapore |  USA |
| Brand | Samsung | Samsung |
| Release date | 4/10/2015 | 8/1/2018 |
| Depth | 6.8 millimeters (0.27 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 70.5 x 143.4 millimeters (2.78 x 5.65 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 138 grams (4.83 ounces) | 49 grams (1.72 ounces) |
| Build, materials | Aluminum frame, glass front/back | Stainless steel body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.1" inches | 1.2" inches |
| Screen-to-body ratio | ~70.9% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| System version | Android 5.0.2 Lollipop | Tizen 4.0 |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Chipset | 64bit: Samsung Exynos 7 Octa 7420 (14nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-T760 MP8 | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| RAM memory | 3GB LPDDR4 | 1.5GB LPDDR3 |
| Internal storage | 32GB (24GB available) UFS 2.0 | 4GB (1.5GB available) eMMC |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 300/50 Mbps | 10 Mbps |
| Network technology | 2G, 3G, 4G | 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28) TD-LTE (Bands 40) | LTE (Bands 2,4,5,12,13,25,26,66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | UMTS, HSDPA, HSUPA, HSPA+, 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 | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Back camera (main camera) | 16 megapixels | Not supported |
| Main camera resolution | 5312x2988 pixels | Not supported |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2592x1944 pixels | Not supported |
| Video recording (secondary) | 2K UHD (2560x1440) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 22mm lens | feature not registered |
| Sensor size | 1/4.1" inches | feature not registered |
| Pixel size | 1.34µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 2550 mAh | 270 mAh |
| Charger, watts | 15W Wired fast charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Qi wireless charging |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | feature not registered | 72 hours (3 days) |
➕ Other features | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Gold • Gorilla Glass 4 back panel • Samsung Pay (Visa, MasterCard certified) • S-Voice natural language • OneDrive 115GB • ANT+ | • 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 Sprint, T-Mobile and Verizon carriers |
☢️ Radiation rate | ||
| Galaxy S6 (SM-G920i) | Galaxy Watch (42mm SM-R815U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.11W/kg (head), 1.13W/kg (body) | 0.961W/kg (head), 1.786W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.312W/kg (head), 0.874W/kg (body) | feature not registered |