Screen size
B5201.8"
Galaxy S25Winner: 6.2"+71%
Quick verdict
Galaxy S25 leads the measured specs 20-3.
Measured wins
B520
3
spec wins
Ties
0
equal specs
Galaxy S25
20
spec wins
Overall winner
Screen size
Technology
B520
GSM
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
B520
GSM 900 / 1800
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
GPRS
B520
Class 10
Galaxy S25
-
EDGE
B520
No
Galaxy S25
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
SD card
Stereo speakers
-
3G bands
B520
-
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
B520
-
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
B520
-
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
B520
-
Galaxy S25
HSPA, LTE (up to 7CA), 5G
Announced
B520
2008, December. Released 2009
Galaxy S25
2025, January 22
Status
B520
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
B520
96 x 47 x 17.5 mm (3.78 x 1.85 x 0.69 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
B520
94 g (3.32 oz)
Galaxy S25
162 g (5.71 oz)
SIM
B520
Mini-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
B520
-
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Other
B520
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
B520
CSTN, 65K colors
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
B520
1.77 inches, 9.9 cm2 (~21.9% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
B520
128 x 160 pixels (~116 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Other
B520
Wallpapers, screensavers
Galaxy S25
-
Protection
B520
-
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Card slot
B520
microSD (dedicated slot)
Galaxy S25
No
Phonebook
B520
1000 contacts, Photo call
Galaxy S25
-
Call records
B520
30 dialed, 30 received, 30 missed calls
Galaxy S25
-
Internal
B520
20MB
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
B520
-
Galaxy S25
UFS 4.0
Other
B520
No
Galaxy S25
-
Loudspeaker
B520
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
B520
Yes
Galaxy S25
No
Other
B520
-
Galaxy S25
High-bitrate audio support
WLAN
B520
No
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
B520
No
Galaxy S25
5.4, A2DP, LE
Positioning
B520
No
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
Radio
B520
FM radio, recording
Galaxy S25
No
USB
B520
2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
NFC
B520
-
Galaxy S25
Yes
Sensors
B520
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Messaging
B520
SMS, MMS, Email
Galaxy S25
-
Browser
B520
WAP 2.0/xHTML, HTML
Galaxy S25
-
Games
B520
Yes
Galaxy S25
-
Java
B520
Yes, MIDP 2.0
Galaxy S25
-
Other
B520
Organizer Voice memo Predictive text input
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
B520
Removable Li-Ion 800 mAh battery
Galaxy S25
Li-Ion 4000 mAh
Stand-by
B520
Up to 390 h
Galaxy S25
-
Talk time
B520
Up to 7 h
Galaxy S25
-
Charging
B520
-
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
B520
Black
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
SAR EU
B520
0.49 W/kg (head)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
B520
About 40 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
Models
B520
-
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
SAR
B520
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
OS
B520
-
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
B520
-
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
B520
-
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
B520
-
Galaxy S25
Adreno 830 (1200 MHz)
Triple
B520
-
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
B520
-
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
B520
-
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Single
B520
-
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features
B520
-
Galaxy S25
HDR, HDR10+
Video
B520
-
Galaxy S25
4K@30/60fps, 1080p@30fps