Screen size
Galaxy S25Winner: 6.2"+61%
i6402.4"
Quick verdict
Galaxy S25 leads the measured specs 20-2.
Measured wins
Galaxy S25
20
spec wins
Overall winner
Ties
1
equal specs
i640
2
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
i640
GSM / HSPA
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
i640
GSM 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
i640
HSDPA 2100
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
i640
-
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
i640
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
i640
HSPA 3.6/0.384 Mbps
Announced
Galaxy S25
2025, January 22
i640
2008, February. Released 2008, February
Status
Galaxy S25
Available. Released 2025, February 03
i640
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
i640
94.4 x 61 x 16.9 mm (3.72 x 2.40 x 0.67 in)
Weight
Galaxy S25
162 g (5.71 oz)
i640
148 g (5.22 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
i640
-
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
i640
Mini-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
i640
-
Keyboard
Galaxy S25
-
i640
QWERTY
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
i640
TFT, 65K colors
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
i640
2.4 inches, 17.8 cm2 (~31.0% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
i640
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
i640
-
Other
Galaxy S25
-
i640
Jog Dial
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
i640
Microsoft Windows Mobile 6.0 Standard
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
i640
-
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
i640
32-bit Intel XScale PXA270 416 MHz
GPU
Galaxy S25
Adreno 830 (1200 MHz)
i640
-
Card slot
Galaxy S25
No
i640
microSD (dedicated slot)
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
i640
64MB RAM, 128MB ROM
Other
Galaxy S25
UFS 4.0
i640
-
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
i640
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
i640
-
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
i640
Yes
Single
Galaxy S25
-
i640
2 MP
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
i640
VGA videocall camera
Features
Galaxy S25
HDR, HDR10+
i640
-
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
i640
Loudspeaker
Galaxy S25
Yes, with stereo speakers
i640
Yes
3.5mm jack
Galaxy S25
No
i640
No
Other
Galaxy S25
High-bitrate audio support
i640
-
Alert types
Galaxy S25
-
i640
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
i640
No
Bluetooth
Galaxy S25
5.4, A2DP, LE
i640
2.0
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
i640
No
NFC
Galaxy S25
Yes
i640
-
Radio
Galaxy S25
No
i640
No
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
i640
1.1
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
i640
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
i640
WMV/3GP/MP4 player WMA/MP3/AAC+ player Organizer Pocket Office Voice memo
Browser
Galaxy S25
-
i640
WAP 2.0/xHTML, HTML, RSS feeds
Type
Galaxy S25
Li-Ion 4000 mAh
i640
Removable Li-Ion 1000 mAh battery
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
i640
-
Stand-by
Galaxy S25
-
i640
Up to 250 h
Talk time
Galaxy S25
-
i640
Up to 6 h
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
i640
Silver
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
i640
-
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
i640
1.18 W/kg (head) 1.12 W/kg (body)
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
i640
-
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
i640
About 150 EUR