Screen size
Galaxy A405.9"
Galaxy S25Winner: 6.2"+4.8%
Quick verdict
Galaxy S25 leads the measured specs 16-5.
Measured wins
Galaxy A40
5
spec wins
Ties
2
equal specs
Galaxy S25
16
spec wins
Overall winner
Screen size
Technology
Galaxy A40
GSM / HSPA / LTE
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy A40
GSM 850 / 900 / 1800 / 1900
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A40
HSDPA 850 / 900 / 1900 / 2100
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A40
1, 3, 5, 7, 8, 20, 38, 40, 41
Resolution
equal specsRefresh 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
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 A40
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps
Galaxy S25
HSPA, LTE (up to 7CA), 5G
5G bands
Galaxy A40
-
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 A40
2019, March 19. Released 2019, April
Galaxy S25
2025, January 22
Status
Galaxy A40
Discontinued
Galaxy S25
Available. Released 2025, February 03
Dimensions
Galaxy A40
144.4 x 69.2 x 7.9 mm (5.69 x 2.72 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 A40
140 g (4.94 oz)
Galaxy S25
162 g (5.71 oz)
Build
Galaxy A40
Glass front (Gorilla Glass 3), plastic back, plastic frame
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM
Galaxy A40
· 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 A40
-
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Type
Galaxy A40
Super AMOLED
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy A40
5.9 inches, 85.5 cm2 (~85.5% screen-to-body ratio)
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Resolution
Galaxy A40
1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density)
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Protection
Galaxy A40
Corning Gorilla Glass 3
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
OS
Galaxy A40
Android 9.0 (Pie), upgradable to Android 11
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Chipset
Galaxy A40
Exynos 7904 (14 nm)
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Galaxy A40
Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Galaxy A40
Mali-G71 MP2
Galaxy S25
Adreno 830 (1200 MHz)
Card slot
Galaxy A40
microSDXC (dedicated slot)
Galaxy S25
No
Internal
Galaxy A40
64GB 4GB RAM, 128GB 4GB RAM
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A40
eMMC 5.1
Galaxy S25
UFS 4.0
Dual
Galaxy A40
16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide)
Galaxy S25
-
Features
Galaxy A40
LED flash, panorama, HDR
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Video
Galaxy A40
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 A40
-
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 A40
25 MP, f/2.0, 25mm (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 A40
1080p@30fps
Galaxy S25
4K@30/60fps, 1080p@30fps
Features
Galaxy A40
-
Galaxy S25
HDR, HDR10+
Loudspeaker
Galaxy A40
Yes
Galaxy S25
Yes, with stereo speakers
3.5mm jack
Galaxy A40
Yes
Galaxy S25
No
Other
Galaxy A40
-
Galaxy S25
High-bitrate audio support
WLAN
Galaxy A40
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 A40
5.0, A2DP, LE
Galaxy S25
5.4, A2DP, LE
Positioning
Galaxy A40
GPS, GLONASS, GALILEO, BDS
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
NFC
Galaxy A40
Yes
Galaxy S25
Yes
Radio
Galaxy A40
FM radio
Galaxy S25
No
USB
Galaxy A40
USB Type-C 2.0
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Sensors
Galaxy A40
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A40
ANT+
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Type
Galaxy A40
Li-Po 3100 mAh, non-removable
Galaxy S25
Li-Ion 4000 mAh
Charging
Galaxy A40
15W wired
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Colors
Galaxy A40
Black, White, Blue, Coral
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Models
Galaxy A40
SM-A405F, SM-A405FN, SM-A405FM, SM-A405S
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 A40
0.49 W/kg (head) 1.34 W/kg (body)
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Price
Galaxy A40
About 260 EUR
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
SAR
Galaxy A40
-
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)