Screen size
Galaxy A8 (2018)5.6"
Galaxy S25Winner: 6.2"+9.7%
Quick verdict
Galaxy S25 leads the measured specs 17-4.
Measured wins
Galaxy A8 (2018)
4
spec wins
Ties
2
equal specs
Galaxy S25
17
spec wins
Overall winner
Screen size
Technology
Galaxy A8 (2018)
GSM / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy A8 (2018)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A8 (2018)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A8 (2018)
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66
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 A8 (2018)
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat11 600/75 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy A8 (2018)
-
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 A8 (2018)
2017, December. Released 2018, January
Galaxy S25
2025, January 22
Status
Galaxy A8 (2018)
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy A8 (2018)
149.2 x 70.6 x 8.4 mm (5.87 x 2.78 x 0.33 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy A8 (2018)
172 g (6.07 oz)
Galaxy S25
162 g (5.71 oz)
Build
Galaxy A8 (2018)
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 5), aluminum frame
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM
Galaxy A8 (2018)
· Nano-SIM· 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 A8 (2018)
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy A8 (2018)
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy A8 (2018)
5.6 inches, 79.6 cm2 (~75.6% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy A8 (2018)
1080 x 2220 pixels, 18.5:9 ratio (~441 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy A8 (2018)
Corning Gorilla Glass 4
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy A8 (2018)
Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie), One UI
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy A8 (2018)
Exynos 7885 (14 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy A8 (2018)
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy A8 (2018)
Mali-G71
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy A8 (2018)
microSDXC (dedicated slot)
Galaxy S25
No
Internal
Galaxy A8 (2018)
32GB 4GB RAM, 64GB 4GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A8 (2018)
eMMC 5.1
Galaxy S25
UFS 4.0
Single
Galaxy A8 (2018)
16 MP, f/1.7, 26mm (wide), 1/2.8”, 1.12µm, PDAF
Galaxy S25
-
Features
Galaxy A8 (2018)
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy A8 (2018)
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 A8 (2018)
-
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
Dual
Galaxy A8 (2018)
16 MP, f/1.9, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/1.9, 24mm (wide), 1/4.0", 1.12µm
Galaxy S25
-
Video
Galaxy A8 (2018)
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Single
Galaxy A8 (2018)
-
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features
Galaxy A8 (2018)
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy A8 (2018)
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy A8 (2018)
Yes
Galaxy S25
No
Other
Galaxy A8 (2018)
24-bit/192kHz audio
Galaxy S25
High-bitrate audio support
WLAN
Galaxy A8 (2018)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy A8 (2018)
5.0, A2DP, EDR, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy A8 (2018)
GPS, GLONASS, BDS
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy A8 (2018)
Yes
Galaxy S25
Yes
Radio
Galaxy A8 (2018)
FM radio
Galaxy S25
No
USB
Galaxy A8 (2018)
USB Type-C 2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy A8 (2018)
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A8 (2018)
ANT+ Samsung Pay
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy A8 (2018)
Li-Ion 3000 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Charging
Galaxy A8 (2018)
18W wired
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Talk time
Galaxy A8 (2018)
Up to 24 h (3G)
Galaxy S25
-
Music play
Galaxy A8 (2018)
Up to 66 h
Galaxy S25
-
Colors
Galaxy A8 (2018)
Black, orchid grey, gold, blue
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy A8 (2018)
SM-A530F, SM-A530F, SM-A530K, SM-A530L, SM-A530S, SM-A530N, SM-A530W
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 A8 (2018)
0.24 W/kg (head) 1.25 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy A8 (2018)
About 250 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR
Galaxy A8 (2018)
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)