Samsung Galaxy J7 Duo (SM-J720M/DS) vs LG G3 (D851 32GB)
Side by side comparison between Samsung Galaxy J7 Duo vs LG G3 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
vs
5.5"
IPS+
IPS+
1440x2392
13
MP
MP
2.1mp
3GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
What's the better phone? 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!
16 Advantages 
14 Advantages | 22 Common items in both devices |
| 16 million |
| 5.5" |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| HDR photo only main camera / HDR photo/video only main camera |
| (front) Full HD (1920x1080) |
| 4G LTE |
| +15 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 J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Model | Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) |
| Other model names | Galaxy J7 Duo J720M/Dual-Sim, Samsung J720 | T-Mobile LG G3 4G LTE D851, LG Optimus G3, LG B2 |
| Country or region available |   (Latin America), Brazil |  USA |
| Brand | Samsung | LG |
| Release date | 4/1/2018 | 6/1/2014 |
| Depth | 8.2 millimeters (0.32 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 74.6 x 146.3 millimeters (2.94 x 5.76 in) |
| Weight | 174 grams (6.09 ounces) | 149 grams (5.22 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Display type | Super AMOLED | TFT Super IPS+ |
| Screen size | 5.5" inches | 5.5" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~79% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1440x2392 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 267 PPI | 508 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| System version | Android 8.0 Oreo | Android 4.4.2 KitKat |
| Firmware update | Android 10 | Android 5.0 Lollipop |
| User Interface | One UI 2.0 | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | AnTuTu: 98104 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| RAM memory | 3GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 32GB (24GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-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 | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41) | LTE Cat4 700/1700/1900/2100/2600 |
| 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+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4160x3120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | 29mm (lens) |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.0 (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 | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB SlimPort |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Sensors | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BL-53YH |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 20 hours | 20 hours |
| Standby | feature not registered | 500 hours (20.8 days) |
➕ Other features | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| Call control | Voice dialing, Voice recorder | 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 | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold, Rose Gold, White • Samsung Pay | • Colors: Black, White, Gold, Violet, Red • USB OTG On-The-Go 1.3 • Notification LED • Dolby mobile sound • 1W Speaker with Boost AMP • Knock Code, Quick Memo, QRemote • Plastic body • MiraCast • Wireless Charging |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720M/DS) | LG G3 (D851 32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.97W/kg (head), 0.55W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |