Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) vs Samsung Galaxy A3 (SM-A300FU)

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Side by side comparison between Samsung Galaxy J7 Duo vs Samsung Galaxy A3 phones, differences, pros, cons and full specifications. What's the better?

10/28/2018 11:19 PM, updated: 11/22/2022 5:44 PM

Compare Samsung Galaxy A3 X Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) 21Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

06Points Samsung Galaxy A3 (SM-A300FU) Compare Samsung Galaxy J7 Duo X

Specifications Compare Models Pictures

4.5"
AMOLED

540x960

8
MP

5mp

1.5GB
RAM

Quad-core

1900
mAh

(Non removable)

What's the better phone? Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)

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!

21 Advantages Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	vs	6 Advantages Samsung Galaxy A3 (SM-A300FU)
+2.2GHz 64bit Octa-core (14nm)91% More powerful processor, you can open your applications faster	vs	1.2GHz 64bit Quad-core (28nm)
+3GB LPDDR4100% More RAM memory. Typically more responsive and better for multitasking.	vs	1.5GB LPDDR2
+32GB (21GB available)75% More internal storage for applications and files	vs	16GB (12GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	eMMC 4.5
+Until 256GB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 64GB microSD, microSDXC
+720x1280 pixels78% Higher resolution screen	vs	540x960 pixels
+267 PPI9% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	245 PPI
+5.5"22% Larger screen	vs	4.5"
+(dual camera) 13MP + 5MP123% Higher resolution main camera	vs	(back) 8MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+f/1.9 (aperture)26% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.4 (aperture)
+(front) 8MP59% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(front) Full HD (1920x1080)4 times More image quality for recording videos with the secondary camera	vs	(front) WVGA (800x480)
+Android 10Advantage Android 10 is newer and safer	vs	Android 6.0.1 Marshmallow
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (front-mounted)Advantage Sensors help you use the device	vs	Not supported
+3000 mAh58% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1900 mAh
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.0 + A2DP
174 grams (6.09 ounces)	vs	+110 grams (3.85 ounces)58% Lighter
8.2 millimeters (0.32 inches)	vs	+6.9 millimeters (0.27 inches)19% Thinner
Plastic body, glass front	vs	+Aluminum body, glass frontAdvantage More resistant material
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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

22 Common items in both devices

Super AMOLED

60Hz

16 million

Only digital zoom

Autofocus

EIS: Digital stabilization

HDR photo only main camera

+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

📱 Model features
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Change model		Choose the model
Model	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Other model names	Galaxy J7 Duo (32GB + 3GB RAM) Dual-Sim, Samsung J720	Galaxy A3 (4G LTE) SM-A300FU (Single-sim)
Country or region available	(Europe), (Global, International), Singapore, Thailand, Vietnam	(Europe)
Brand	Samsung	Samsung
Release date	4/1/2018	11/1/2014
Depth	8.2 millimeters (0.32 inches)	6.9 millimeters (0.27 inches)
Size (width x height)	77.2 x 153.5 millimeters (3.04 x 6.04 in)	65.5 x 130.1 millimeters (2.58 x 5.12 in)
Weight	174 grams (6.09 ounces)	110 grams (3.85 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/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Display type	Super AMOLED	Super AMOLED
Screen size	5.5" inches	4.5" inches
Screen-to-body ratio	~70.4% (screen-to-body ratio)	~65.5% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	540x960 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	245 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 4
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
System version	Android 8.0 Oreo	Android 4.4.4 KitKat
Firmware update	Android 10	Android 6.0.1 Marshmallow
User Interface	One UI 2.0	TouchWiz UX
⚙️ Processor
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Chipset	64bit: Samsung Exynos 7885 (14nm)	64bit: Qualcomm Snapdragon 410 (MSM8916) (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 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	Qualcomm Adreno 306 (400MHz)
Performance (benchmark)	AnTuTu: 98104 (v7)	feature not registered
💽 Memory and storage
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
RAM memory	3GB LPDDR4	1.5GB LPDDR2
Internal storage	32GB (21GB available) eMMC 5.1	16GB (12GB available) eMMC 4.5
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
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) nano-SIM (4FF)
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 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)	LTE Cat4 (1, 3, 5, 7, 8, 20)
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 850/900/1900/2100	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-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Back camera (main camera)	(dual camera) 13 megapixels 5MP depth f/1.9	8 megapixels
Main camera resolution	4128x3096 pixels	3264x2448 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.9 (aperture)	f/2.4 (aperture)
Focal length	feature not registered	31mm lens
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 only main camera	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Front camera (secondary)	8 megapixels	5 megapixels
Front camera resolution	3264x2448 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	WVGA (800x480)
Front flash	LED	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	23mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
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	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Sensors	Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh	1900 mAh
Charger, watts	Wired charging	3.5W (5V/0.7A) Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	20 hours	12 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
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, Gray, Pink, Blue, White, Gold • Java framework
☢️ Radiation rate
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A3 (SM-A300FU)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.462W/kg (head), 1.153W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.543W/kg (head), 1.397W/kg (body)	0.39W/kg (head), 0.554W/kg (body)