Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs Samsung Galaxy S25 (SM-S931B/DS 128GB)

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Side by side comparison between Samsung Galaxy M55 vs Samsung Galaxy S25 phones, differences, pros, cons and full specifications. What's the better?

5/19/2025 9:09 AM, updated: 5/20/2025 7:30 AM

Compare Samsung Galaxy S25 X Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) 07Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

22Points Samsung Galaxy S25 (SM-S931B/DS 128GB) Compare Samsung Galaxy M55 X

Specifications Compare Models Pictures

6.2"
AMOLED

1080x2340

50
MP

12mp

12GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S25 (SM-S931B/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!

7 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)	vs	22 Advantages Samsung Galaxy S25 (SM-S931B/DS 128GB)
+256GB (233GB available)143% More internal storage for applications and files	vs	128GB (96GB available)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+6.7"8% Larger screen	vs	6.2"
+(front) 50MP3 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 12MP
+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+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.	vs	25W
2.4GHz 64bit Octa-core (4nm)	vs	+4.47GHz 64bit Octa-core (3nm)109% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+12GB LPDDR5X50% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.2	vs	+UFS 4.0Advantage Fastest write and read storage.
180 grams (6.3 ounces)	vs	+162 grams (5.67 ounces)11% Lighter
7.8 millimeters (0.31 inches)	vs	+7.2 millimeters (0.28 inches)8% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
393 PPI	vs	+416 PPI6% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 50MP + 8MP + 2MP	vs	+(triple camera) 50MP + 10MP + 12MP20% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(5G Sub6) 3000 Mbps	vs	+(5G Sub6) 5000 Mbps67% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
2 microphones	vs	+3 microphones50% More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 a/b/g/n/ac/ax [wifi6]	vs	+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.2 + A2DP/LE	vs	+5.4 + A2DP/LEAdvantage Bluetooth 5.4 + A2DP/LE is newer and faster
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Gorilla Glass Victus 2Advantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices

Super AMOLED / LTPO AMOLED

120Hz

16 million

LED flash

PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras

OIS: Optical stabilization

BSI sensor

+24 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 M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Change model		Choose the model
Model	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Other model names	Galaxy M55 5G SM-M556B/Dual-SIM	Galaxy S25 SM-S931B/Dual-SIM
Country or region available	(Global, International), Brazil, Colombia, Mexico	(Global, International)
Brand	Samsung	Samsung
Release date	3/28/2024	2/3/2025, Announced: 1/22/2025
Depth	7.8 millimeters (0.31 inches)	7.2 millimeters (0.28 inches)
Size (width x height)	76.5 x 163.9 millimeters (3.01 x 6.45 in)	70.5 x 146.9 millimeters (2.78 x 5.78 in)
Weight	180 grams (6.3 ounces)	162 grams (5.67 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back Back: Gorilla Glass Victus 2
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Display type	Super AMOLED	LTPO AMOLED
Screen size	6.7" inches	6.2" inches
Screen-to-body ratio	~86.4% (screen-to-body ratio)	~91.1% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	393 PPI	416 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus 2
Refresh rate	120Hz	120Hz
Display features	Always-On Display	2600nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
System version	Android 14	Android 15
Firmware update	Android 15	feature not registered
User Interface	One UI 6.1 / 7.0	One UI 7.0
⚙️ Processor
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Chipset	64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
CPU	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)	Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
GPU graphical controller	Qualcomm Adreno 644 (443MHz)	Qualcomm Adreno 830 (1100MHz)
Performance (benchmark)	AnTuTu: 582102 (v10)	AnTuTu: 2193701 (v10) Geekbench: 10050 (v6)
💽 Memory and storage
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
RAM memory	8GB LPDDR4X	12GB LPDDR5X
Internal storage	256GB (233GB available) UFS 2.2	128GB (96GB available) UFS 4.0
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/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
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	3000/1024 Mbps	5000/1024 Mbps
Network technology	2G, 3G, 4G, 5G	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	CDMA 800/1900, 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat24 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18 , 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	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, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	CDMA 800/1900, GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat24 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18 , 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	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, SA/NSA, Sub6
📷 Camera
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Back camera (main camera)	(triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4	(triple camera) 50 megapixels 10MP telephoto f/2.467mm1/3.94"1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady
Main camera resolution	8160x6120 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	1/1.56" inches	1/1.56" inches
Pixel size	1µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video and HDR photo on front camera
Camera extras	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)	8K@24/30fps 4K@30/60fps 1080p@30/60/240fps 10-bit HDR10+
📸 Front camera
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Front camera (secondary)	50 megapixels	12 megapixels
Front camera resolution	8160x6120 pixels	4000x3000 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/3.2" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Loudspeaker	Stereo sound	Stereo sound 32-bit/384kHz Tuned by AKG
Active noise cancellation	2 microphones	3 microphones
Radio	Not supported	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 M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	5.4 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	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 M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	5000 mAh	4000 mAh
Charger, watts	45W Wired fast charging	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi wireless charging 45W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/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: Dark Blue, Light Green	• Colors: Blue Black, Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red • Samsung DeX • Samsung Wireless DeX
☢️ Radiation rate
	Galaxy M55 (SM-M556B/DS 256GB/8GB)	Galaxy S25 (SM-S931B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.79W/kg (head), 1.09W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.96W/kg (head), 0.98W/kg (body)	1.294W/kg (head), 1.363W/kg (body)