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

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

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Compare Samsung Galaxy S25 X Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) 07Points
6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

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

Galaxy M55 (SM-M556B/DS 256GB/8GB)} 7 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs Galaxy S25 (SM-S931B/DS 128GB)} 22 Advantages Samsung Galaxy S25 (SM-S931B/DS 128GB)
+256GB (233GB available)143%
More internal storage for applications and files
vs128GB (96GB available)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+1080x2400 pixels3%
Higher resolution screen
vs1080x2340 pixels
+6.7"8%
Larger screen
vs6.2"
+(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
vs4000 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.
vs25W
2.4GHz 64bit Octa-core (4nm)vs+4.47GHz 64bit Octa-core (3nm)109%
More powerful processor, you can open your applications faster
8GB LPDDR4Xvs+12GB LPDDR5X50%
More RAM memory. Typically more responsive and better for multitasking.
UFS 2.2vs+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 frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
393 PPIvs+416 PPI6%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 50MP + 8MP + 2MPvs+(triple camera) 50MP + 10MP + 12MP20%
Higher resolution main camera
Only digital zoomvs+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 Mbpsvs+(5G Sub6) 5000 Mbps67%
Faster for surfing the internet and download files
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+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 microphonesvs+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 supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.2 + A2DP/LEvs+5.4 + A2DP/LEAdvantage
Bluetooth 5.4 + A2DP/LE is newer and faster
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+Gorilla Glass Victus 2Advantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+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 Clear highlight

📱 Model features

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
ModelGalaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
Other model namesGalaxy M55 5G SM-M556B/Dual-SIMGalaxy S25 SM-S931B/Dual-SIM
Country or region available(Global, International)BrazilColombiaMexico
(Global, International), Brazil, Colombia, Mexico
(Global, International)
(Global, International)
BrandSamsungSamsung
Release date3/28/20242/3/2025, Announced: 1/22/2025
Depth7.8 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)
Weight180 grams (6.3 ounces)162 grams (5.67 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Back: Gorilla Glass Victus 2
Protection against water and othersNot supportedIP68 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 typeSuper AMOLEDLTPO AMOLED
Screen size6.7" inches6.2" inches
Screen-to-body ratio~86.4% (screen-to-body ratio)~91.1% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)393 PPI416 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass Victus 2
Refresh rate120Hz120Hz
Display featuresAlways-On Display2600nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
System versionAndroid 14Android 15
Firmware updateAndroid 15feature not registered
User InterfaceOne UI 6.1 / 7.0One UI 7.0

⚙️ Processor

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
Chipset64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
CPUOcta-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 controllerQualcomm 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 memory8GB LPDDR4X12GB LPDDR5X
Internal storage256GB (233GB available)
UFS 2.2
128GB (96GB available)
UFS 4.0
External storageUntil 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-SIMDual-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 card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload3000/1024 Mbps5000/1024 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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 networkSA/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 networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, 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 networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE 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 networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, 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 resolution8160x6120 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered24mm (lens)
Sensor size1/1.56" inches1/1.56" inches
Pixel size1µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo on both camerasHDR photo/video and HDR photo on front camera
Camera extras4K@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 megapixels12 megapixels
Front camera resolution8160x6120 pixels4000x3000 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/3.2" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
LoudspeakerStereo soundStereo sound
32-bit/384kHz
Tuned by AKG
Active noise cancellation2 microphones3 microphones
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.2 + A2DP/LE5.4 + A2DP/LE
WiFi802.11 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
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
SensorsAccelerometer
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 alertSupportedSupported

🔋 Battery

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, watts45W Wired fast charging25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
Inductive / wireless chargingNot supported15W Qi wireless charging
45W Reverse wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy M55 (SM-M556B/DS 256GB/8GB)Galaxy S25 (SM-S931B/DS 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot 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)
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