Samsung Galaxy J7 Duo (SM-J720M/DS) vs Oppo R11s

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Side by side comparison between Samsung Galaxy J7 Duo vs Oppo R11s phones, differences, pros, cons and full specifications. What's the better?

10/28/2018 10:53 PM, updated: 6/13/2022 6:34 PM

Compare Oppo R11s X Samsung Galaxy J7 Duo (SM-J720M/DS) 09Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

22Points Oppo R11s Compare Samsung Galaxy J7 Duo X

Specifications Compare Models Pictures

6.01"
AMOLED

1080x2160

16
MP

20mp

4GB
RAM

Octa-core

3205
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!

9 Advantages Samsung Galaxy J7 Duo (SM-J720M/DS)	vs	22 Advantages Oppo R11s
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+Android 10Advantage Android 10 is newer and safer	vs	Android 7.1.1 Nougat
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
2.2GHz 64bit Octa-core (14nm)	vs	+2.2GHz 64bit Octa-core18% More powerful processor, you can open your applications faster
3GB LPDDR4	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+64GB (50GB available)138% More internal storage for applications and files
174 grams (6.09 ounces)	vs	+153 grams (5.36 ounces)14% Lighter
8.2 millimeters (0.32 inches)	vs	+7.1 millimeters (0.28 inches)15% Thinner
Plastic body, glass front	vs	+Aluminum body, glass frontAdvantage More resistant material
720x1280 pixels	vs	+1080x2160 pixels153% Higher resolution screen
267 PPI	vs	+402 PPI51% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.01"9% Larger screen
(dual camera) 13MP + 5MP	vs	+(dual camera) 16MP + 20MP102% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)	vs	+f/1.7 (aperture)12% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 20MP150% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
3000 mAh	vs	+3205 mAh7% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys

20 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

+13 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

📱 Model features
	Galaxy J7 Duo (SM-J720M/DS)	Oppo R11s
Change model
Model	Galaxy J7 Duo (SM-J720M/DS)	Oppo R11s
Other model names	Galaxy J7 Duo J720M/Dual-Sim, Samsung J720	Oppo R11s (4GB RAM), Oppo R11st
Country or region available	(Latin America), Brazil	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-J720M/DS)	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	Not supported	Gorilla Glass 5
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy J7 Duo (SM-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	Oppo R11s
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-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 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41)	LTE 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
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+	GPRS, EDGE
📷 Camera
	Galaxy J7 Duo (SM-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	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-J720M/DS)	Oppo R11s
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