Samsung Galaxy J8 (SM-J810F/DS 32GB) vs Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy J8 vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?

10/28/2018 11:19 PM, updated: 2/27/2023 5:56 PM

Compare Samsung Galaxy J7 Duo X Samsung Galaxy J8 (SM-J810F/DS 32GB) 10Points

Specifications Compare Models Pictures

6"
AMOLED

720x1480

16
MP

16mp

3GB
RAM

Octa-core

3500
mAh

(Non removable)

07Points Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) Compare Samsung Galaxy J8 X

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy J8 (SM-J810F/DS 32GB)

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!

10 Advantages Samsung Galaxy J8 (SM-J810F/DS 32GB)	vs	7 Advantages Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
+1.8GHz 64bit Octa-core (14nm)6% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core (14nm)
+720x1480 pixels16% Higher resolution screen	vs	720x1280 pixels
+274 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	267 PPI
+6"9% Larger screen	vs	5.5"
+(dual camera) 16MP + 5MP18% Higher resolution main camera	vs	(dual camera) 13MP + 5MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.7 (aperture)12% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 16MP99% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+3500 mAh17% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
3GB LPDDR3	vs	+3GB LPDDR4Advantage This RAM type is better and more efficient.
177 grams (6.2 ounces)	vs	+174 grams (6.09 ounces)2% Lighter
Not supported	vs	+ANT+Advantage Sensors help you use the device
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

29 Common items in both devices

32GB (21GB available)

eMMC 5.1

Until 256GB microSD, microSDXC

8.2 millimeters (0.32 inches)

Plastic body, glass front

Super AMOLED

60Hz

+22 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 J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Change model		Choose the model
Model	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Other model names	Galaxy J8 J810F/Dual-SIM (3GB RAM), SM-J810FZDDXSG	Galaxy J7 Duo (32GB + 3GB RAM) Dual-Sim, Samsung J720
Country or region available	(Global, International), Saudi Arabia, Egypt, United Arab Emirates, Israel, Morocco, Pakistan	(Europe), (Global, International), Singapore, Thailand, Vietnam
Brand	Samsung	Samsung
Release date	6/28/2018, Announced: 5/31/2018	4/1/2018
Depth	8.2 millimeters (0.32 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	75.7 x 159.2 millimeters (2.98 x 6.27 in)	77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight	177 grams (6.2 ounces)	174 grams (6.09 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6" inches	5.5" inches
Screen-to-body ratio	~75.8% (screen-to-body ratio)	~70.4% (screen-to-body ratio)
Display resolution	720x1480 pixels (18.5:9)	720x1280 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	274 PPI	267 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
System version	Android 8.0 Oreo	Android 8.0 Oreo
Firmware update	Android 10	Android 10
User Interface	One UI 2.0	One UI 2.0
⚙️ Processor
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Chipset	64bit: Qualcomm Snapdragon 450 (SDM450) (14nm)	64bit: Samsung Exynos 7885 (14nm)
CPU	Octa-core, 1 processor: 8x 1.8GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 506 (600MHz)	ARM Mali-G71 MP2
Performance (benchmark)	feature not registered	AnTuTu: 98104 (v7)
💽 Memory and storage
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
RAM memory	3GB LPDDR3	3GB LPDDR4
Internal storage	32GB (21GB available) eMMC 5.1	32GB (21GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	300/50 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 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)	LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Secondary 4G network	LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Back camera (main camera)	(dual camera) 16 megapixels 5MP depth f/1.9	(dual camera) 13 megapixels 5MP depth f/1.9
Main camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash on both cameras
Focal aperture	f/1.7 (aperture)	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	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Front camera (secondary)	16 megapixels	8 megapixels
Front camera resolution	4608x3456 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	LED
Focal aperture	f/1.9 (aperture)	f/1.9 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/3.06" inches	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	Not supported	Not supported
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	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) 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, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Sensors	Accelerometer Face unlock Fingerprint sensor (rear-mounted) Hall effect Proximity sensor	Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3500 mAh	3000 mAh
Charger, watts	7.75W (5V/1.55A) Wired charging	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	23 hours	20 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
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, Blue, Lavender, Purple	• Colors: Black, Gold, Rose Gold, White • Samsung Pay
☢️ Radiation rate
	Galaxy J8 (SM-J810F/DS 32GB)	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.574W/kg (head), 1.176W/kg (body)	0.543W/kg (head), 1.397W/kg (body)