Screen size
Galaxy A8 Star (A9 Star)Winner: 6.3"+1.6%
Galaxy S256.2"
Quick verdict
Galaxy S25 leads the measured specs 18-4.
Measured wins
Galaxy A8 Star (A9 Star)
4
spec wins
Ties
1
equal specs
Galaxy S25
18
spec wins
Overall winner
Screen size
Technology
Galaxy A8 Star (A9 Star)
GSM / CDMA / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy A8 Star (A9 Star)
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA - China
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A8 Star (A9 Star)
HSDPA 850 / 900 / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A8 Star (A9 Star)
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
1, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 - Global, 1, 3, 8, 34, 38, 39, 40, 41 - China
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 Star (A9 Star)
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy A8 Star (A9 Star)
-
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 Star (A9 Star)
2018, June. Released 2018, June
Galaxy S25
2025, January 22
Status
Galaxy A8 Star (A9 Star)
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy A8 Star (A9 Star)
162.4 x 77 x 7.6 mm (6.39 x 3.03 x 0.30 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy A8 Star (A9 Star)
191 g (6.74 oz)
Galaxy S25
162 g (5.71 oz)
Build
Galaxy A8 Star (A9 Star)
Glass front (Gorilla Glass 5), 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 Star (A9 Star)
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 Star (A9 Star)
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy A8 Star (A9 Star)
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy A8 Star (A9 Star)
6.3 inches, 100.7 cm2 (~80.6% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy A8 Star (A9 Star)
1080 x 2220 pixels, 18.5:9 ratio (~392 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy A8 Star (A9 Star)
Corning Gorilla Glass 5
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Other
Galaxy A8 Star (A9 Star)
Samsung Experience 9 UX
Galaxy S25
-
OS
Galaxy A8 Star (A9 Star)
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie), One UI
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy A8 Star (A9 Star)
Qualcomm SDM660 Snapdragon 660 (14 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy A8 Star (A9 Star)
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy A8 Star (A9 Star)
Adreno 512
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy A8 Star (A9 Star)
microSDXC (uses shared SIM slot)
Galaxy S25
No
Internal
Galaxy A8 Star (A9 Star)
64GB 4GB RAM, 64GB 6GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A8 Star (A9 Star)
eMMC 5.1
Galaxy S25
UFS 4.0
Dual
Galaxy A8 Star (A9 Star)
24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 16 MP, f/1.7, PDAF
Galaxy S25
-
Features
Galaxy A8 Star (A9 Star)
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy A8 Star (A9 Star)
4K@30fps, 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 Star (A9 Star)
-
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 A8 Star (A9 Star)
24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video
Galaxy A8 Star (A9 Star)
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Features
Galaxy A8 Star (A9 Star)
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy A8 Star (A9 Star)
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy A8 Star (A9 Star)
Yes
Galaxy S25
No
Other
Galaxy A8 Star (A9 Star)
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy A8 Star (A9 Star)
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 Star (A9 Star)
5.0, A2DP, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy A8 Star (A9 Star)
GPS, GLONASS, BDS, GALILEO
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy A8 Star (A9 Star)
Yes
Galaxy S25
Yes
Radio
Galaxy A8 Star (A9 Star)
FM radio
Galaxy S25
No
USB
Galaxy A8 Star (A9 Star)
USB Type-C 2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy A8 Star (A9 Star)
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A8 Star (A9 Star)
ANT+ Samsung Pay
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy A8 Star (A9 Star)
Li-Ion 3700 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Charging
Galaxy A8 Star (A9 Star)
15W wired
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy A8 Star (A9 Star)
Black, White
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy A8 Star (A9 Star)
SM-G885F, SM-G8850, SM-G885Y, SM-G885S, SM-G8858
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 Star (A9 Star)
0.43 W/kg (head) 1.79 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy A8 Star (A9 Star)
About 350 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR
Galaxy A8 Star (A9 Star)
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)