Screen size
Quick verdict
Galaxy S25 leads the measured specs 10-6.
Measured wins
Galaxy M55s
6
spec wins
Ties
7
equal specs
Galaxy S25
10
spec wins
Overall winner
Screen size
Technology
Galaxy M55s
GSM / HSPA / LTE / 5G
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy M55s
GSM 850 / 900 / 1800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy M55s
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy M55s
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
Galaxy S25
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International, 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked
5G bands
Galaxy M55s
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy S25
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International, 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
Speed
Galaxy M55s
HSPA, LTE, 5G
Galaxy S25
HSPA, LTE (up to 7CA), 5G
Announced
Galaxy M55s
2024, September 24
Galaxy S25
2025, January 22
Status
Galaxy M55s
Available. Released 2024, September 26
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy M55s
163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy M55s
180 g (6.35 oz)
Galaxy S25
162 g (5.71 oz)
SIM
Galaxy M55s
Nano-SIM + Nano-SIM
Galaxy S25
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
Build
Galaxy M55s
-
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Other
Galaxy M55s
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy M55s
Super AMOLED+, 120Hz, 1000 nits (HBM)
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy M55s
6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy M55s
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy M55s
-
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy M55s
Android 14, up to 4 major Android upgrades, upgradable to Android 16, One UI 8
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy M55s
Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy M55s
Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy M55s
Adreno 644
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy M55s
microSDXC (uses shared SIM slot)
Galaxy S25
No
Internal
Galaxy M55s
128GB 8GB RAM, 256GB 8GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy M55s
-
Galaxy S25
UFS 4.0
Triple
Galaxy M55s
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP (macro)
Galaxy S25
50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Features
Galaxy M55s
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy M55s
4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Single
Galaxy M55s
50 MP, f/2.4, (wide)
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video
Galaxy M55s
4K@30fps, 1080p@30/60fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Features
Galaxy M55s
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy M55s
Yes, with stereo speakers
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy M55s
No
Galaxy S25
No
Other
Galaxy M55s
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy M55s
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy M55s
5.2, A2DP, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy M55s
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy M55s
Yes
Galaxy S25
Yes
Radio
Galaxy M55s
No
Galaxy S25
No
USB
Galaxy M55s
USB Type-C 2.0, OTG
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy M55s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy M55s
-
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy M55s
5000 mAh
Galaxy S25
Li-Ion 4000 mAh
Charging
Galaxy M55s
45W wired
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy M55s
Thunder Black, Coral Green
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy M55s
SM-M558B, SM-M558B/DS
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
SAR
Galaxy M55s
0.93 W/kg (head)
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
Price
Galaxy M55s
₹ 22,999
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR EU
Galaxy M55s
-
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)