Screen size
Galaxy S25Winner: 6.2"+69%
X5201.9"
Quick verdict
Galaxy S25 leads the measured specs 20-1.
Measured wins
Galaxy S25
20
spec wins
Overall winner
Ties
2
equal specs
X520
1
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
X520
GSM
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
X520
GSM 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
X520
-
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
X520
-
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
X520
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
X520
-
GPRS
Galaxy S25
-
X520
Class 10
EDGE
Galaxy S25
-
X520
No
Announced
Galaxy S25
2025, January 22
X520
2006, October
Status
Galaxy S25
Available. Released 2025, February 03
X520
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
X520
89 x 42 x 18 mm (3.50 x 1.65 x 0.71 in)
Weight
Galaxy S25
162 g (5.71 oz)
X520
80 g (2.82 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
X520
-
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
X520
Mini-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
X520
-
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
X520
TFT, 65K colors
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
X520
1.9 inches, 11.4 cm2 (~30.4% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
X520
128 x 160 pixels (~108 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
X520
-
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
X520
-
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
X520
-
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
X520
-
GPU
Galaxy S25
Adreno 830 (1200 MHz)
X520
-
Card slot
Galaxy S25
No
X520
No
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
X520
2.8MB
Other
Galaxy S25
UFS 4.0
X520
-
Phonebook
Galaxy S25
-
X520
Yes, 1000 entries
Call records
Galaxy S25
-
X520
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
X520
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
X520
-
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
X520
No
Single
Galaxy S25
-
X520
VGA
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
X520
-
Features
Galaxy S25
HDR, HDR10+
X520
-
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
X520
-
Other
Galaxy S25
-
X520
No
Loudspeaker
Galaxy S25
Yes, with stereo speakers
X520
Yes
3.5mm jack
Galaxy S25
No
X520
No
Other
Galaxy S25
High-bitrate audio support
X520
-
Alert types
Galaxy S25
-
X520
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
X520
No
Bluetooth
Galaxy S25
5.4, A2DP, LE
X520
No
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
X520
No
NFC
Galaxy S25
Yes
X520
-
Radio
Galaxy S25
No
X520
Stereo FM radio
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
X520
Proprietary
Infrared port
Galaxy S25
-
X520
Yes
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
X520
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
X520
IrDA for Phonebook contacts only Predictive text input Organizer Voice memo
Messaging
Galaxy S25
-
X520
SMS, EMS, MMS
Browser
Galaxy S25
-
X520
WAP 1.2/xHTML
Games
Galaxy S25
-
X520
Yes + downloadable
Java
Galaxy S25
-
X520
Yes, MIDP 2.0
Type
Galaxy S25
Li-Ion 4000 mAh
X520
Removable Li-Ion 750 mAh battery
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
X520
-
Stand-by
Galaxy S25
-
X520
Up to 310 h
Talk time
Galaxy S25
-
X520
Up to 6 h 20 min
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
X520
Black, Blue, Red, Green
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
X520
-
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
X520
1.36 W/kg (head) 0.24 W/kg (body)
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
X520
0.85 W/kg (head)
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
X520
About 70 EUR