Screen size
Galaxy S25Winner: 6.2"+66%
S31002.1"
Quick verdict
Galaxy S25 leads the measured specs 20-2.
Measured wins
Galaxy S25
20
spec wins
Overall winner
Ties
1
equal specs
S3100
2
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
S3100
GSM
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
S3100
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
S3100
-
4G bands
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
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
Stereo speakers
S3100
-
5G bands
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
S3100
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
S3100
-
GPRS
Galaxy S25
-
S3100
Class 10
EDGE
Galaxy S25
-
S3100
Class 10
Announced
Galaxy S25
2025, January 22
S3100
2009, August. Released 2009, September
Status
Galaxy S25
Available. Released 2025, February 03
S3100
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
S3100
95 x 47 x 14.9 mm (3.74 x 1.85 x 0.59 in)
Weight
Galaxy S25
162 g (5.71 oz)
S3100
99.2 g (3.49 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
S3100
-
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
S3100
Mini-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
S3100
-
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
S3100
TFT, 256K colors
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
S3100
2.1 inches, 13.9 cm2 (~31.1% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
S3100
176 x 220 pixels (~134 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
S3100
-
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
S3100
-
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
S3100
-
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
S3100
-
GPU
Galaxy S25
Adreno 830 (1200 MHz)
S3100
-
Card slot
Galaxy S25
No
S3100
microSDHC (dedicated slot)
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
S3100
15MB
Other
Galaxy S25
UFS 4.0
S3100
-
Phonebook
Galaxy S25
-
S3100
1000 contacts, Photo call
Call records
Galaxy S25
-
S3100
Yes
Triple
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
S3100
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
S3100
-
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
S3100
Yes
Single
Galaxy S25
-
S3100
1.3 MP
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
S3100
-
Features
Galaxy S25
HDR, HDR10+
S3100
-
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
S3100
-
Other
Galaxy S25
-
S3100
No
Loudspeaker
Galaxy S25
Yes, with stereo speakers
S3100
Yes
3.5mm jack
Galaxy S25
No
S3100
No
Other
Galaxy S25
High-bitrate audio support
S3100
-
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
S3100
No
Bluetooth
Galaxy S25
5.4, A2DP, LE
S3100
2.1, A2DP
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
S3100
No
NFC
Galaxy S25
Yes
S3100
-
Radio
Galaxy S25
No
S3100
FM radio, RDS
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
S3100
2.0
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
S3100
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
S3100
MP3 player MP4/3gp player Organizer Voice memo Predictive text input
Messaging
Galaxy S25
-
S3100
SMS, MMS, Email
Browser
Galaxy S25
-
S3100
WAP 2.0/xHTML
Games
Galaxy S25
-
S3100
Yes + downloadable
Java
Galaxy S25
-
S3100
Yes, MIDP 2.0
Type
Galaxy S25
Li-Ion 4000 mAh
S3100
Removable Li-Ion 800 mAh battery
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
S3100
-
Stand-by
Galaxy S25
-
S3100
Up to 490 h
Talk time
Galaxy S25
-
S3100
Up to 8 h 30 min
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
S3100
Black, Pink
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
S3100
-
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
S3100
1.31 W/kg (head) 0.45 W/kg (body)
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
S3100
0.38 W/kg (head)
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
S3100
About 70 EUR