Iconic Phones - Revolution at Your Fingertips book
You can now buy the Galaxy Z TriFold
You can now buy the Galaxy Z TriFold
It's the first phone of this kind that you can buy in the US

Samsung Galaxy A40 vs Samsung Galaxy S25 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy A40
7.4
Samsung Galaxy S25
Samsung Galaxy A40 Samsung Galaxy S25
Released · Apr 10, 2019
Released · Feb 07, 2025
5.9-inch · 2340x1080px
6.2-inch · 2340x1080px
Dual camera
Triple camera
4GB · 64GB
12GB · 128GB
3100 mAh
4000 mAh
Check prices Check prices
Check Accessories Check Accessories

Availability

Officially announced
Apr 10, 2019 Jan 22, 2025
Prices (MSRP)
12GB/128GB - $799 | €899
12GB/256GB - $859
12GB/512GB - $959

Design

Dimensions
5.69 x 2.72 x 0.31 inches
144.4 x 69.2 x 7.9 mm 		5.78 x 2.78 x 0.28 inches (~0.33 inches with camera bump)
146.9 x 70.5 x 7.2 mm (~8.45 mm with camera bump)
Weight
4.94 oz / 140.0 g 5.71 oz / 162.0 g
Materials
Back: Plastic
Frame: Plastic 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Fingerprint (touch) Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White Icy Blue, Mint, Navy, Silver Shadow

Display

Size
5.9-inch, 85.73% screen-to-body 6.2-inch, 91.02% screen-to-body
Type
Super AMOLED Dynamic AMOLED, 120Hz, HDR, 2600 nits
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI 2340x1080px, 19.5:9 ratio, 416 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass Victus 2
PhoneArena Display Test
Bright Max (20% APL)
Untested 2394 (Excellent)
Bright Min
Untested 0.86 (Excellent)
Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Exynos 7904 (14 nm) Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53 		Octa-core
2x4.47GHz Oryon V2 PhoenixL
6x3.53GH​z Oryon V2 PhoenixM
GPU
Mali-G71 MP2 Adreno 830
Memory
4GB (LPDDR4)/64GB 12GB (LPDDR5X)/128GB (UFS 4.0)
12GB/256GB
12GB/512GB
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10, 9.0 Pie) Android (15), up to 7 OS updates
PhoneArena Performance Test
GeekBench 6 Single
Untested 3031
GeekBench 6 Multi
Untested 9626
3D Mark High
Untested 5959
3D Mark Low
Untested 2500
Learn more on our PhoneArena Performance Test Results page.

Battery

Type
3100 mAh, Li - Polymer 4000 mAh, Li - Ion
Charging
Samsung Adaptive Fast Charging Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
7h 6min
Browsing
18h 29min
Video
8h 1min
Gaming
12h 20min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera Triple camera
Main camera
16 MP (PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.8"
Pixel size: 1.12 μm 		50 MP (OIS, PDAF)
Sensor name: Samsung GN3
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/5"
Pixel size: 1.12 μm 		12 MP (Ultra-wide)
Sensor name: Sony IMX564
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
10 MP (Telephoto)
Sensor name: Samsung S5K3K1
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 67 mm
Sensor size: 1/3.94"
Pixel size: 1.0 μm
Flash
LED LED
Video recording
1080p (30 fps)
Hyperlapse, Video calling, Video sharing 		8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps)
HDR, Continuous autofocus, Picture-taking during video recording
Front
25 MP
Video capture: 1080p 		12 MP (HDR)
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
147
Overall
151
Photo
142
Video
Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0 5.4
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync NFC, Ultra Wideband (UWB)

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n5, n7, n25, n28, n41, n66, n71, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
LTE Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 28, 30, 71
TDD Bands
38, 40, 41 38, 39, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s)
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2019
FCC ID value: A3LSMA405FN 		Date approved: Nov 26, 2024
FCC ID value: A3LSMS931U
Measured SAR
Head: 0.51 W/kg
Body: 0.46 W/kg
Simultaneous Transmission: 1.02 W/kg
Wireless Router: 0.61 W/kg 		Head: 1.13 W/kg
Body: 0.81 W/kg
Simultaneous Transmission: 1.08 W/kg

Alternative variants

With 256GB internal storage
Memory 256GB
Prices (MSRP) $860
With 512GB internal storage
Memory 512GB
FCC OKs Cingular\'s purchase of AT&T Wireless