Screen size
D5201.9"
Galaxy S25Winner: 6.2"+69%
Quick verdict
Galaxy S25 leads the measured specs 19-1.
Measured wins
D520
1
spec wins
Ties
3
equal specs
Galaxy S25
19
spec wins
Overall winner
Screen size
Technology
D520
GSM
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
D520
GSM 900 / 1800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
GPRS
D520
Class 10
Galaxy S25
-
EDGE
D520
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
equal specsSD card
equal specsStereo speakers
equal specs-
3G bands
D520
-
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
D520
-
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
D520
-
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
D520
-
Galaxy S25
HSPA, LTE (up to 7CA), 5G
Announced
D520
2006, February
Galaxy S25
2025, January 22
Status
D520
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
D520
101 x 46 x 15.9 mm (3.98 x 1.81 x 0.63 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
D520
94 g (3.32 oz)
Galaxy S25
162 g (5.71 oz)
SIM
D520
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
D520
-
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Other
D520
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
D520
TFT, 256K colors
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
D520
1.9 inches, 30 x 38 mm, 11.4 cm2 (~24.5% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
D520
176 x 220 pixels (~148 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
D520
-
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Card slot
D520
No
Galaxy S25
No
Phonebook
D520
1000 entries, Photocall
Galaxy S25
-
Call records
D520
20 dialed, 20 received, 20 missed calls
Galaxy S25
-
Internal
D520
80MB
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
D520
-
Galaxy S25
UFS 4.0
Single
D520
1.3 MP
Galaxy S25
-
Features
D520
LED flash
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
D520
CIF
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Triple
D520
-
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
Other
D520
No
Galaxy S25
-
Single
D520
-
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features
D520
-
Galaxy S25
HDR, HDR10+
Video
D520
-
Galaxy S25
4K@30/60fps, 1080p@30fps
Loudspeaker
D520
Yes, with stereo speakers
Galaxy S25
Yes, with stereo speakers
Alert types
D520
Vibration; Downloadable polyphonic, MP3 ringtones
Galaxy S25
-
3.5mm jack
D520
No
Galaxy S25
No
Other
D520
Dual speaker
Galaxy S25
High-bitrate audio support
WLAN
D520
No
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
D520
1.2, A2DP
Galaxy S25
5.4, A2DP, LE
Positioning
D520
No
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
Radio
D520
No
Galaxy S25
No
USB
D520
Proprietary
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
NFC
D520
-
Galaxy S25
Yes
Sensors
D520
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Messaging
D520
SMS, EMS, MMS, Email
Galaxy S25
-
Browser
D520
WAP 2.0/xHTML
Galaxy S25
-
Games
D520
BobbyCarrot, AirShip Racing, ArchAngel, FreeKick + downloadable
Galaxy S25
-
Java
D520
Yes, MIDP 2.0
Galaxy S25
-
Other
D520
MP3/MP4/AAC player Predictive text input SyncML Document viewer (Word, Excel, PowerPoint, PDF) Organizer Voice memo
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
D520
Removable Li-Ion 800 mAh battery
Galaxy S25
Li-Ion 4000 mAh
Stand-by
D520
Up to 285 h
Galaxy S25
-
Talk time
D520
Up to 3 h
Galaxy S25
-
Charging
D520
-
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
D520
Black, Silver
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
SAR
D520
0.35 W/kg (head) 0.38 W/kg (body)
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
SAR EU
D520
0.48 W/kg (head)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Models
D520
-
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
Price
D520
-
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
OS
D520
-
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
D520
-
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
D520
-
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
D520
-
Galaxy S25
Adreno 830 (1200 MHz)