Screen size
Galaxy S II Epic 4G Touch4.5"
Galaxy S25Winner: 6.2"+27%
Quick verdict
Galaxy S25 leads the measured specs 19-3.
Measured wins
Galaxy S II Epic 4G Touch
3
spec wins
Ties
1
equal specs
Galaxy S25
19
spec wins
Overall winner
Screen size
Technology
Galaxy S II Epic 4G Touch
CDMA / EVDO
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy S II Epic 4G Touch
CDMA 800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy S II Epic 4G Touch
CDMA2000 1xEV-DO
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Speed
Galaxy S II Epic 4G Touch
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
equal specs3.5mm jack
SD card
Stereo speakers
EV-DO Rev.A 3.1 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
4G bands
Galaxy S II Epic 4G Touch
-
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
Galaxy S II Epic 4G Touch
-
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
Announced
Galaxy S II Epic 4G Touch
2011, August. Released 2011, September
Galaxy S25
2025, January 22
Status
Galaxy S II Epic 4G Touch
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy S II Epic 4G Touch
130 x 70 x 10 mm (5.12 x 2.76 x 0.39 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy S II Epic 4G Touch
130 g (4.59 oz)
Galaxy S25
162 g (5.71 oz)
SIM
Galaxy S II Epic 4G Touch
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
Galaxy S II Epic 4G Touch
-
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Other
Galaxy S II Epic 4G Touch
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy S II Epic 4G Touch
Super AMOLED Plus
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy S II Epic 4G Touch
4.52 inches, 58.2 cm2 (~63.9% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy S II Epic 4G Touch
480 x 800 pixels, 5:3 ratio (~206 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy S II Epic 4G Touch
Corning Gorilla Glass
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Other
Galaxy S II Epic 4G Touch
TouchWiz UI v4.0
Galaxy S25
-
OS
Galaxy S II Epic 4G Touch
Android 2.3.4 (Gingerbread)
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy S II Epic 4G Touch
Exynos 4210 Dual
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy S II Epic 4G Touch
Dual-core 1.2 GHz Cortex-A9
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy S II Epic 4G Touch
Mali-400MP4
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy S II Epic 4G Touch
microSDHC (dedicated slot)
Galaxy S25
No
Internal
Galaxy S II Epic 4G Touch
16GB 1GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy S II Epic 4G Touch
-
Galaxy S25
UFS 4.0
Single
Galaxy S II Epic 4G Touch
8 MP, f/2.6, 1/3.2", AF
Galaxy S25
-
Features
Galaxy S II Epic 4G Touch
LED flash
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy S II Epic 4G Touch
1080p@30fps
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Triple
Galaxy S II Epic 4G Touch
-
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
Single
Galaxy S II Epic 4G Touch
2 MP
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video
Galaxy S II Epic 4G Touch
Galaxy S25
4K@30/60fps, 1080p@30fps
Features
Galaxy S II Epic 4G Touch
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy S II Epic 4G Touch
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy S II Epic 4G Touch
Yes
Galaxy S25
No
Other
Galaxy S II Epic 4G Touch
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy S II Epic 4G Touch
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot; WiMax
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy S II Epic 4G Touch
3.0, A2DP, aptX
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy S II Epic 4G Touch
GPS, A-GPS
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy S II Epic 4G Touch
Optional
Galaxy S25
Yes
Radio
Galaxy S II Epic 4G Touch
No
Galaxy S25
No
USB
Galaxy S II Epic 4G Touch
microUSB 2.0 (MHL TV-out), OTG
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy S II Epic 4G Touch
Accelerometer, gyro, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Browser
Galaxy S II Epic 4G Touch
HTML, Adobe Flash
Galaxy S25
-
Other
Galaxy S II Epic 4G Touch
MP4/DivX/XviD/WMV/H.264 player MP3/WAV/eAAC+/AC3/FLAC player Photo/video editor Document editor
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy S II Epic 4G Touch
Removable Li-Ion 1800 mAh battery
Galaxy S25
Li-Ion 4000 mAh
Stand-by
Galaxy S II Epic 4G Touch
Up to 252 h
Galaxy S25
-
Talk time
Galaxy S II Epic 4G Touch
Up to 8 h 45 min
Galaxy S25
-
Charging
Galaxy S II Epic 4G Touch
-
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy S II Epic 4G Touch
Black, White
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
SAR
Galaxy S II Epic 4G Touch
0.40 W/kg (head) 0.54 W/kg (body)
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
Price
Galaxy S II Epic 4G Touch
About 130 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
Models
Galaxy S II Epic 4G Touch
-
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
SAR EU
Galaxy S II Epic 4G Touch
-
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)