Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) vs Samsung Galaxy M55s (SM-M558B/DS 128GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy A15 vs Samsung Galaxy M55s phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 7:22 AM, updated: 5/28/2025 9:47 AM

Compare Samsung Galaxy M55s X Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) 04Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

20Points Samsung Galaxy M55s (SM-M558B/DS 128GB) Compare Samsung Galaxy A15 X

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M55s (SM-M558B/DS 128GB)

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!

4 Advantages Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)	vs	20 Advantages Samsung Galaxy M55s (SM-M558B/DS 128GB)
+396 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	393 PPI
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.2 + A2DP/LE
2.2GHz 64bit Octa-core (6nm)	vs	+2.4GHz 64bit Octa-core (4nm)18% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
200 grams (7 ounces)	vs	+180 grams (6.3 ounces)11% Lighter
8.4 millimeters (0.33 inches)	vs	+7.8 millimeters (0.31 inches)8% Thinner
90Hz	vs	+120Hz33% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
6.5"	vs	+6.7"3% Larger screen
(triple camera) 50MP + 5MP + 2MP	vs	+(triple camera) 50MP + 8MP + 2MP5% Higher resolution main camera
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(front) 13MP	vs	+(front) 50MP3 times 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
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
25W	vs	+45W80% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster

30 Common items in both devices

128GB (108GB available) / 128GB (105GB available)

Until 1TB microSD, microSDXC

Plastic body, glass front

Super AMOLED

16 million

LED flash

Only digital zoom

+23 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 A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Change model		Choose the model
Model	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Other model names	Galaxy A15 4G LTE SM-A155F/Dual-SIM NFC	Galaxy M55s 5G SM-M558B/Dual-SIM
Country or region available	(Global, International)	Bangladesh, India
Brand	Samsung	Samsung
Release date	12/16/2023, Announced: 12/11/2023	9/26/2024, Announced: 9/24/2024
Depth	8.4 millimeters (0.33 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	76.8 x 160.1 millimeters (3.02 x 6.3 in)	76.5 x 163.9 millimeters (3.01 x 6.45 in)
Weight	200 grams (7 ounces)	180 grams (6.3 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.5" inches	6.7" inches
Screen-to-body ratio	~84.3% (screen-to-body ratio)	~86.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	396 PPI	393 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	90Hz	120Hz
Display features	800nits[peak]	Always-On Display
🤖 Operating System
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
System version	Android 14	Android 14
Firmware update	Android 15	Android 15
User Interface	One UI 6.1 / 7.0	One UI 6.1 / 7.0
⚙️ Processor
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Chipset	64bit: MediaTek Helio G99 (6nm)	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 3 processors: 1x 2.4GHz ARM Cortex-A710 (Single-core) 3x 2.36GHz ARM Cortex-A710 (Triple-core) 4x 1.8GHz ARM Cortex-A510 (Quad-core)
GPU graphical controller	ARM Mali-G57 MC2	Qualcomm Adreno 644 (443MHz)
Performance (benchmark)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)	AnTuTu: 582102 (v10)
💽 Memory and storage
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
RAM memory	4GB LPDDR4X	8GB LPDDR4X
Internal storage	128GB (108GB available) eMMC 5.1	128GB (105GB available) UFS 2.2
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/150 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Back camera (main camera)	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4
Main camera resolution	8160x6120 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/1.56" inches
Pixel size	feature not registered	1µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@30fps 720p@120fps (slow motion)	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Front camera (secondary)	13 megapixels	50 megapixels
Front camera resolution	4128x3096 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (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 A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Loudspeaker	Mono sound (not stereo)	Stereo sound
Active noise cancellation	2 microphones	2 microphones
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, 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 A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.3 + A2DP/LE	5.2 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	25W Wired fast charging	45W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	51 hours (2.1 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow	• Colors: Thunder Black, Coral Green
☢️ Radiation rate
	Galaxy A15 (SM-A155F/DSN 128GB/4GB)	Galaxy M55s (SM-M558B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.93W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	0.42W/kg (head), 1.29W/kg (body)	feature not registered