Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) vs Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)

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Side by side comparison between Samsung Galaxy J7 Duo vs Samsung Galaxy A15 phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:39 PM, updated: 3/18/2024 7:37 PM

Compare Samsung Galaxy A15 X Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB) 08Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

20Points Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) Compare Samsung Galaxy J7 Duo X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)

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 Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	vs	20 Advantages Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)
+174 grams (6.09 ounces)15% Lighter	vs	200 grams (7 ounces)
+8.2 millimeters (0.32 inches)2% Thinner	vs	8.4 millimeters (0.33 inches)
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+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)
+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.2GHz 64bit Octa-core (14nm)	vs	+2.2GHz 64bit Octa-core (6nm)30% 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	+128GB (108GB available)4 times More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
60Hz	vs	+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
267 PPI	vs	+396 PPI48% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.5"18% Larger screen
(dual camera) 13MP + 5MP	vs	+(triple camera) 50MP + 5MP + 2MP2 times Higher resolution main camera
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/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies
Android 10	vs	+Android 14Advantage Android 14 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% 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
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5.0 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

22 Common items in both devices

eMMC 5.1

Plastic body, glass front

Super AMOLED

16 million

Only digital zoom

Autofocus

EIS: Digital stabilization

+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 A15 (SM-A155F/DSN 128GB/4GB)
Change model		Choose the model
Model	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Other model names	Galaxy J7 Duo (32GB + 3GB RAM) Dual-Sim, Samsung J720	Galaxy A15 4G LTE SM-A155F/Dual-SIM NFC
Country or region available	(Europe), (Global, International), Singapore, Thailand, Vietnam	(Global, International)
Brand	Samsung	Samsung
Release date	4/1/2018	12/16/2023, Announced: 12/11/2023
Depth	8.2 millimeters (0.32 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	77.2 x 153.5 millimeters (3.04 x 6.04 in)	76.8 x 160.1 millimeters (3.02 x 6.3 in)
Weight	174 grams (6.09 ounces)	200 grams (7 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Display type	Super AMOLED	Super AMOLED
Screen size	5.5" inches	6.5" inches
Screen-to-body ratio	~70.4% (screen-to-body ratio)	~84.3% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	396 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Not supported
Refresh rate	60Hz	90Hz
Display features	Not supported	800nits[peak]
🤖 Operating System
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
System version	Android 8.0 Oreo	Android 14
Firmware update	Android 10	feature not registered
User Interface	One UI 2.0	One UI 6.1
⚙️ Processor
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Chipset	64bit: Samsung Exynos 7885 (14nm)	64bit: MediaTek Helio G99 (6nm)
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: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	ARM Mali-G71 MP2	ARM Mali-G57 MC2
Performance (benchmark)	AnTuTu: 98104 (v7)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)
💽 Memory and storage
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
RAM memory	3GB LPDDR4	4GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	128GB (108GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
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	300/150 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	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
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+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/2100
Secondary 4G network	Not supported	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP depth f/1.9	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4
Main camera resolution	4128x3096 pixels	8160x6120 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/1.8 (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	Supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	1080p@30fps 720p@120fps (slow motion)
📸 Front camera
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Front camera (secondary)	8 megapixels	13 megapixels
Front camera resolution	3264x2448 pixels	4128x3096 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/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.3 + A2DP/LE
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, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Sensors	Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	Wired charging	25W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	20 hours	51 hours (2.1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow
☢️ Radiation rate
	Galaxy J7 Duo (SM-J720F/DS 32GB/3GB)	Galaxy A15 (SM-A155F/DSN 128GB/4GB)
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)	0.42W/kg (head), 1.29W/kg (body)