Samsung Galaxy A40s (SM-A3050) vs Samsung Gear S2 (SM-R720)
Side by side comparison between Samsung Galaxy A40s vs Samsung Gear S2 devices, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
720x1560
13
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5000
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 device? Samsung Galaxy A40s (SM-A3050)
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!
26 Advantages 
7 Advantages | 8 Common items in both devices |
| Super AMOLED |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Gyroscope |
| + 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 A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Model | Galaxy A40s (SM-A3050) | Gear S2 (SM-R720) |
| Other model names | Galaxy A40s SM-A3050ZKFC (64GB + 6GB RAM), Galaxy M30 | Samsung Gear S2 BT SM-R720, Samsung Orbis |
| Country or region available |   China, Hong Kong |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 3/7/2019 | 10/1/2015 |
| Depth | 8.5 millimeters (0.33 inches) | 13.4 millimeters (0.53 inches) |
| Size (width x height) | 75.1 x 159 millimeters (2.96 x 6.26 in) | 44 x 51.8 millimeters (1.73 x 2.04 in) |
| Weight | 174 grams (6.09 ounces) | 51 grams (1.79 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Waterproof (IP?) |
📲 Display | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.4" inches | 1.2" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~20.4% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| System version | Android 8.1 Oreo | Tizen 2.3 |
| Firmware update | Android 10 | Tizen 2.3.2 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Chipset | 64bit: Samsung Exynos 7 Octa 7904 (14nm) | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| RAM memory | 6GB LPDDR4X | 512MB LPDDR2 |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 4GB (2GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 600/150 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat12/13 (Bands 1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawide f/2.212mm 5MP depth f/2.2 | Not supported |
| Main camera resolution | 4128x3096 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.9 (aperture) | 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 | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Front camera (secondary) | 16 megapixels | Not supported |
| Front camera resolution | 4608x3456 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV, MKV | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | Not supported |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 250 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 417 hours (17.4 days) | 48 hours (2 days) |
➕ Other features | ||
| Galaxy A40s (SM-A3050) | Samsung Gear S2 (SM-R720) | |
| Call control | Voice dialing, Voice recorder | 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 | 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, Blue, Gold • 19.5:9 display ratio FHD+ • Dolby Atmos sound | • 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 | ||
| Galaxy A40s (SM-A3050) | 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 |