Samsung Galaxy J7 Duo (SM-J720F) vs Oppo R11s
Side by side comparison between Samsung Galaxy J7 Duo vs Oppo R11s 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
6.01"
AMOLED
AMOLED
1080x2160
16
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3205
mAh
mAh
(Non removable)
What's the better phone? Oppo R11s
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!
8 Advantages 
22 Advantages | 21 Common items in both devices |
| eMMC 5.1 |
| Until 256GB microSD, microSDXC |
| 16 million |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| +14 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-J720F) | Oppo R11s | |
| Model | Galaxy J7 Duo (SM-J720F) | Oppo R11s |
| Other model names | Galaxy J7 Duo J720F Single-Sim, Samsung J720 | Oppo R11s (4GB RAM), Oppo R11st |
| Country or region available |   South Africa, United Arab Emirates |      China, Hong Kong, Singapore, Taiwan, (Global, International) |
| Brand | Samsung | Oppo |
| Release date | 4/1/2018 | 11/1/2017 |
| Depth | 8.2 millimeters (0.32 inches) | 7.1 millimeters (0.28 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 75.5 x 155.1 millimeters (2.97 x 6.11 in) |
| Weight | 174 grams (6.09 ounces) | 153 grams (5.36 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Display type | Super AMOLED | AMOLED |
| Screen size | 5.5" inches | 6.01" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~79.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x2160 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| System version | Android 8.0 Oreo | Android 7.1.1 Nougat |
| Firmware update | Android 10 | feature not registered |
| User Interface | One UI 2.0 | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | Qualcomm Adreno 512 650Mhz |
| Performance (benchmark) | AnTuTu: 98104 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| RAM memory | 3GB LPDDR4 | 4GB LPDDR4X |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 64GB (50GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 600/150 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) | LTE Cat12 (Bands 1,2,3,4,5,7,8,20,28) TD-LTE (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | (dual camera) 16 megapixels 20MP f/1.71/2.8" |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Front camera (secondary) | 8 megapixels | 20 megapixels |
| Front camera resolution | 3264x2448 pixels | 5472x3648 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-J720F) | Oppo R11s | |
| 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.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Sensors | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3205 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Champagne, Black, Red • USB OTG On-The-Go • Aluminum body • ColorOS 3.2 • Facial recognition • Silicone case included • Fast battery charging • VOOC Flash Charge 5V/4A=20W • Miracast |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720F) | Oppo R11s | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.543W/kg (head), 1.397W/kg (body) | feature not registered |