Screen size
Galaxy A9 (2018)Winner: 6.3"+1.6%
Galaxy S256.2"
Quick verdict
Galaxy S25 leads the measured specs 18-4.
Measured wins
Galaxy A9 (2018)
4
spec wins
Ties
1
equal specs
Galaxy S25
18
spec wins
Overall winner
Screen size
Technology
Galaxy A9 (2018)
GSM / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy A9 (2018)
GSM 850 / 900 / 1800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A9 (2018)
HSDPA 850 / 900 / 1900 / 2100 , HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A9 (2018)
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 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 A9 (2018)
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy A9 (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 A9 (2018)
2018, October. Released 2018, November
Galaxy S25
2025, January 22
Status
Galaxy A9 (2018)
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy A9 (2018)
162.5 x 77 x 7.8 mm (6.40 x 3.03 x 0.31 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy A9 (2018)
183 g (6.46 oz)
Galaxy S25
162 g (5.71 oz)
Build
Galaxy A9 (2018)
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 A9 (2018)
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 A9 (2018)
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy A9 (2018)
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy A9 (2018)
6.3 inches, 100.2 cm2 (~80.1% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy A9 (2018)
1080 x 2220 pixels, 18.5:9 ratio (~393 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy A9 (2018)
Corning Gorilla Glass 5
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy A9 (2018)
Android 8.0 (Oreo), upgradable to Android 10, One UI
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy A9 (2018)
Qualcomm SDM660 Snapdragon 660 (14 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy A9 (2018)
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 A9 (2018)
Adreno 512
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy A9 (2018)
microSDXC (dedicated slot)
Galaxy S25
No
Internal
Galaxy A9 (2018)
64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A9 (2018)
eMMC 5.1
Galaxy S25
UFS 4.0
Quad
Galaxy A9 (2018)
24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 10 MP f/2.4, 52mm (telephoto), 1/3.9", 1.0µm, AF, 2x optical zoom 8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Galaxy S25
-
Features
Galaxy A9 (2018)
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy A9 (2018)
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 A9 (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
Single
Galaxy A9 (2018)
24 MP, f/2.0, 27mm (wide), 1/2.8", 0.9µm
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features
Galaxy A9 (2018)
HDR
Galaxy S25
HDR, HDR10+
Video
Galaxy A9 (2018)
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Loudspeaker
Galaxy A9 (2018)
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy A9 (2018)
Yes
Galaxy S25
No
Other
Galaxy A9 (2018)
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy A9 (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 A9 (2018)
5.0, A2DP, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy A9 (2018)
GPS, GLONASS, BDS, GALILEO
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy A9 (2018)
Yes
Galaxy S25
Yes
Radio
Galaxy A9 (2018)
FM radio
Galaxy S25
No
USB
Galaxy A9 (2018)
USB Type-C 2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy A9 (2018)
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A9 (2018)
ANT+ Samsung Pay
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy A9 (2018)
Li-Ion 3800 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Charging
Galaxy A9 (2018)
18W wired
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy A9 (2018)
Caviar Black, Lemonade Blue, Bubblegum Pink
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy A9 (2018)
SM-A920F, SM-A9200, SM-A920N, SM-A920X
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
SAR
Galaxy A9 (2018)
0.27 W/kg (head) 0.84 W/kg (body)
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
SAR EU
Galaxy A9 (2018)
0.35 W/kg (head) 1.59 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy A9 (2018)
About 550 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999