Apple Watch 3 Aluminum (38mm 4G) vs Samsung Galaxy J7 Duo (SM-J720M/DS)
Side by side comparison between Apple Watch 3 Aluminum vs Samsung Galaxy J7 Duo devices, differences, pros, cons and full specifications. What's the better?
,
1.5"
AMOLED
AMOLED
340x272
N/A
768MB
RAM
RAM
Dual-core
279
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better device? Samsung Galaxy J7 Duo (SM-J720M/DS)
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!
7 Common items in both devices |
16 million |
4G LTE |
150 Mbps |
Capacitive |
Multitouch |
Accelerometer |
A-GPS, GeoTagging, GLONASS / A-GPS, GeoTagging, GLONASS, BeiDou |
+ 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 | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Model | Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) |
Other model names | Apple Watch Series 3 GPS + Cellular (4G LTE), Apple Watch S3 | Galaxy J7 Duo J720M/Dual-Sim, Samsung J720 |
Country or region available | (Global, International) | (Latin America), Brazil |
Brand | Apple | Samsung |
Release date | 9/22/2017 | 4/1/2018 |
Depth | 11.4 millimeters (0.45 inches) | 8.2 millimeters (0.32 inches) |
Size (width x height) | 33.3 x 38.6 millimeters (1.31 x 1.52 in) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) |
Weight | 29 grams (1.02 ounces) | 174 grams (6.09 ounces) |
Build, materials | Aluminum body, glass front, plastic composite back | Plastic body, glass front |
Protection against water and others | 5 ATM: 50 meters waterproof | Not supported |
📲 Display | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Display type | AMOLED | Super AMOLED |
Screen size | 1.5" inches | 5.5" inches |
Screen-to-body ratio | ~55.1% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
Display resolution | 340x272 pixels | 720x1280 pixels (16:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 290 PPI | 267 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Scratch-resistant glass | Not supported |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | Not supported |
🤖 Operating System | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
System version | WatchOS 4.0 | Android 8.0 Oreo |
Firmware update | WatchOS 5.0 | Android 10 |
User Interface | feature not registered | One UI 2.0 |
⚙️ Processor | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Chipset | 32bit: Apple S3 (28nm) | 64bit: Samsung Exynos 7885 (14nm) |
CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
GPU graphical controller | PowerVR G6200 | ARM Mali-G71 MP2 |
Performance (benchmark) | feature not registered | AnTuTu: 98104 (v7) |
💽 Memory and storage | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
RAM memory | 768MB LPDDR4 | 3GB LPDDR4 |
Internal storage | 16GB (10GB available) | 32GB (21GB available) eMMC 5.1 |
External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 2 slots (Dual-SIM) micro-SIM (3FF) |
Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | A1889 model (Europe,Australia): UMTS 800/850/900/2100 A1860 model (USA,LATAM,Canada): UMTS 800/850/1700/1900 A1890 model (China): UMTS 2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 A1889 model (Europe,Australia): LTE (Bands 1,3,5,7,8,18,19,20,26) A1860 model (USA,LATAM,Canada): LTE (Bands 2,4,5,12,13,17,18,19,25,26) TD-LTE (Bands 41) A1890 model (China): LTE (Bands 1,3) TD-LTE (Bands 39,40,41) | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41) |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Back camera (main camera) | Not supported | (dual camera) 13 megapixels 5MP depth f/1.9 |
Main camera resolution | Not supported | 4128x3096 pixels |
Video recording (primary) | Not supported | Full HD (1920x1080) 30 fps |
Flash | Not supported | LED flash on both cameras |
Focal aperture | feature not registered | f/1.9 (aperture) |
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 | Autofocus |
Touch focus | Not supported | Supported |
Image stabilization | Not supported | EIS: Digital stabilization |
Zoom | Not supported | Only digital zoom |
Face/smile detection | Not supported | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | Not supported | HDR photo only main camera |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Front camera (secondary) | Not supported | 8 megapixels |
Front camera resolution | Not supported | 3264x2448 pixels |
Video recording (secondary) | Not supported | Full HD (1920x1080) |
Front flash | Not supported | LED |
Focal aperture | feature not registered | f/1.9 (aperture) |
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 | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Loudspeaker | Supported | Mono sound (not stereo) |
Active noise cancellation | Not supported | Not supported |
Radio | Not supported | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
USB | Not supported | MicroUSB 2.0 |
Audio output | Not supported | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
Battery capacity | 279 mAh | 3000 mAh |
Charger, watts | Wired charging | Wired charging |
Inductive / wireless charging | Magnetic charging (dock) | Not supported |
Talk time autonomy | 18 hours | 20 hours |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
Call control | Voice dialing | Voice dialing, Voice recorder |
Messaging | SMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported | Supported |
Video calling | Not supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | Not supported | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Silver, Gold, Space Gray • Sport Band or Nike Sport Band • 1000 nits screen • 3D Touch display • Siri | • Colors: Black, Gold, Rose Gold, White • Samsung Pay |
☢️ Radiation rate | ||
Apple Watch 3 Aluminum (38mm 4G) | Galaxy J7 Duo (SM-J720M/DS) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.29W/kg (head), 0.15W/kg (body) | 0.97W/kg (head), 0.55W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |