Screen size
Galaxy J86.0"
Galaxy S25Winner: 6.2"+3.2%
Quick verdict
Galaxy S25 leads the measured specs 20-3.
Measured wins
Galaxy J8
3
spec wins
Ties
0
equal specs
Galaxy S25
20
spec wins
Overall winner
Screen size
Technology
Galaxy J8
GSM / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy J8
GSM 850 / 900 / 1800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy J8
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy J8
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66 - J810Y/DS
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
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
Speed
Galaxy J8
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy J8
-
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 J8
2018, May. Released 2018, July
Galaxy S25
2025, January 22
Status
Galaxy J8
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy J8
159.2 x 75.7 x 8.2 mm (6.27 x 2.98 x 0.32 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy J8
177 g (6.24 oz)
Galaxy S25
162 g (5.71 oz)
Build
Galaxy J8
Glass front, plastic back, plastic frame
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM
Galaxy J8
Nano-SIM + Nano-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
Other
Galaxy J8
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy J8
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy J8
6.0 inches, 91.4 cm2 (~75.8% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy J8
720 x 1480 pixels, 18.5:9 ratio (~274 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy J8
-
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy J8
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy J8
Qualcomm SDM450 Snapdragon 450 (14 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy J8
Octa-core 1.8 GHz Cortex-A53
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy J8
Adreno 506
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy J8
microSDXC (dedicated slot)
Galaxy S25
No
Internal
Galaxy J8
32GB 3GB RAM, 64GB 4GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy J8
eMMC 5.1
Galaxy S25
UFS 4.0
Dual
Galaxy J8
16 MP, f/1.7, AF Auxiliary lens
Galaxy S25
-
Features
Galaxy J8
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy J8
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 J8
-
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 J8
16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features
Galaxy J8
LED flash
Galaxy S25
HDR, HDR10+
Video
Galaxy J8
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Loudspeaker
Galaxy J8
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy J8
Yes
Galaxy S25
No
Other
Galaxy J8
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy J8
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy J8
4.2, A2DP, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy J8
GPS, GLONASS, BDS
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy J8
No
Galaxy S25
Yes
Radio
Galaxy J8
FM radio, recording
Galaxy S25
No
USB
Galaxy J8
microUSB 2.0, OTG
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy J8
Fingerprint (rear-mounted), accelerometer, proximity
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy J8
-
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy J8
Li-Ion 3500 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Talk time
Galaxy J8
Up to 23 h (3G)
Galaxy S25
-
Music play
Galaxy J8
Up to 112 h
Galaxy S25
-
Charging
Galaxy J8
-
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy J8
Black, Gold, Blue, Purple
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy J8
SM-J810G, SM-J810F, J810Y, SM-J810Y, SM-J810GF, SM-J810M
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 J8
0.57 W/kg (head) 1.18 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy J8
About 310 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR
Galaxy J8
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)