Screen size
Galaxy S25Winner: 6.2"+71%
S400i1.8"
Quick verdict
Galaxy S25 leads the measured specs 20-1.
Measured wins
Galaxy S25
20
spec wins
Overall winner
Ties
2
equal specs
S400i
1
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
S400i
GSM
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
S400i
GSM 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
S400i
-
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
equal specsStereo speakers
S400i
-
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
S400i
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
S400i
-
GPRS
Galaxy S25
-
S400i
Yes
EDGE
Galaxy S25
-
S400i
Yes
Announced
Galaxy S25
2025, January 22
S400i
2006, February
Status
Galaxy S25
Available. Released 2025, February 03
S400i
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
S400i
91 x 45 x 20.9 mm (3.58 x 1.77 x 0.82 in)
Weight
Galaxy S25
162 g (5.71 oz)
S400i
88 g (3.10 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
S400i
-
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
S400i
Mini-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
S400i
-
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
S400i
TFT, 256K colors
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
S400i
1.8 inches, 10.2 cm2 (~24.9% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
S400i
176 x 220 pixels (~157 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
S400i
-
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
S400i
-
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
S400i
-
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
S400i
-
GPU
Galaxy S25
Adreno 830 (1200 MHz)
S400i
-
Card slot
Galaxy S25
No
S400i
No
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
S400i
13MB
Other
Galaxy S25
UFS 4.0
S400i
-
Phonebook
Galaxy S25
-
S400i
1000 entries, Photocall
Call records
Galaxy S25
-
S400i
20 dialed, 20 received, 20 missed calls
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
S400i
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
S400i
LED flash
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
S400i
Yes
Single
Galaxy S25
-
S400i
VGA
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
S400i
-
Features
Galaxy S25
HDR, HDR10+
S400i
-
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
S400i
-
Other
Galaxy S25
-
S400i
No
Loudspeaker
Galaxy S25
Yes, with stereo speakers
S400i
No
3.5mm jack
Galaxy S25
No
S400i
No
Other
Galaxy S25
High-bitrate audio support
S400i
-
Alert types
Galaxy S25
-
S400i
Vibration; Downloadable polyphonic, AAC ringtones
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
S400i
No
Bluetooth
Galaxy S25
5.4, A2DP, LE
S400i
Yes
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
S400i
No
NFC
Galaxy S25
Yes
S400i
-
Radio
Galaxy S25
No
S400i
No
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
S400i
Proprietary
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
S400i
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
S400i
AAC/M4A player Predictive text input Organizer Voice memo
Messaging
Galaxy S25
-
S400i
SMS, EMS, MMS, Email
Browser
Galaxy S25
-
S400i
i-mode
Games
Galaxy S25
-
S400i
Yes + downloadable
Java
Galaxy S25
-
S400i
Yes, DoJa 2.5
Type
Galaxy S25
Li-Ion 4000 mAh
S400i
Removable Li-Ion battery
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
S400i
-
Stand-by
Galaxy S25
-
S400i
Up to 150 h
Talk time
Galaxy S25
-
S400i
Up to 3 h
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
S400i
Black
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
S400i
-
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
S400i
0.36 W/kg (head) 0.40 W/kg (body)
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
S400i
0.66 W/kg (head)
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
S400i
-