Screen size
Galaxy A8 Duos5.7"
Galaxy S25Winner: 6.2"+8.1%
Quick verdict
Galaxy S25 leads the measured specs 19-4.
Measured wins
Galaxy A8 Duos
4
spec wins
Ties
0
equal specs
Galaxy S25
19
spec wins
Overall winner
Screen size
Technology
Galaxy A8 Duos
GSM / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy A8 Duos
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A8 Duos
HSDPA 850 / 900 / 1900 / 2100 - A800F, A800Y
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A8 Duos
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
1, 3, 5, 7, 8, 20, 40 - A800F, 3, 8, 28 - A800Y
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 Duos
HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy A8 Duos
-
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 Duos
2015, August. Released 2015, August
Galaxy S25
2025, January 22
Status
Galaxy A8 Duos
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy A8 Duos
158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Weight
Galaxy A8 Duos
151 g (5.33 oz)
Galaxy S25
162 g (5.71 oz)
SIM
Galaxy A8 Duos
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
Build
Galaxy A8 Duos
-
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Other
Galaxy A8 Duos
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy A8 Duos
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy A8 Duos
5.7 inches, 89.6 cm2 (~73.8% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy A8 Duos
1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy A8 Duos
Corning Gorilla Glass 4
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy A8 Duos
Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow)
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy A8 Duos
Qualcomm MSM8939 Snapdragon 615 (28 nm) - A800YExynos 5430 Octa (20 nm) - A800F
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy A8 Duos
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.3 GHz Cortex-A53) - A800YOcta-core (4x1.8 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7) - A800F
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy A8 Duos
Adreno 405 - A800YMali-T628 MP6 - A800F
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy A8 Duos
microSDXC (uses shared SIM slot)
Galaxy S25
No
Internal
Galaxy A8 Duos
32GB 2GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A8 Duos
eMMC 5.0 or eMMC 4.5
Galaxy S25
UFS 4.0
Single
Galaxy A8 Duos
16 MP, f/1.9, 31mm (standard), AF
Galaxy S25
-
Features
Galaxy A8 Duos
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy A8 Duos
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 Duos
-
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 Duos
5 MP, f/1.9, 23mm (wide)
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video
Galaxy A8 Duos
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Features
Galaxy A8 Duos
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy A8 Duos
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy A8 Duos
Yes
Galaxy S25
No
Other
Galaxy A8 Duos
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy A8 Duos
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
Galaxy A8 Duos
4.1, A2DP, EDR, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy A8 Duos
GPS, GLONASS/ BDS (market dependant)
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy A8 Duos
No
Galaxy S25
Yes
Radio
Galaxy A8 Duos
FM radio, RDS, recording
Galaxy S25
No
USB
Galaxy A8 Duos
microUSB 2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy A8 Duos
Fingerprint (front-mounted), accelerometer, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A8 Duos
ANT+
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy A8 Duos
Li-Ion 3050 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Talk time
Galaxy A8 Duos
Up to 17 h (3G)
Galaxy S25
-
Music play
Galaxy A8 Duos
Up to 51 h
Galaxy S25
-
Charging
Galaxy A8 Duos
-
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy A8 Duos
Pearl White, Midnight Black, Champagne Gold
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy A8 Duos
SM-A8000, SM-A800F, SM-A800Y, SM-A800I, SM-A800IZ, SM-A800S, SM-A800YZ
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 Duos
0.32 W/kg (head) 0.55 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy A8 Duos
About 280 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR
Galaxy A8 Duos
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)