Samsung Galaxy A40 vs Samsung Galaxy A55 5G 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.

	5.8
Samsung Galaxy A40	Samsung Galaxy A55 5G
Released · Apr 10, 2019	Released · Mar 20, 2024
5.9-inch · 2340x1080px	6.6-inch · 2400x1080px
Dual camera	Triple camera
4GB · 64GB	8GB · 128GB
3100 mAh	5000 mAh
	Check prices

Design

Dimensions
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm	6.34 x 3.05 x 0.00 inches 161.1 x 77.4 8.2 mm
Weight
4.94 oz (140.0 g)	7.51 oz (213.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass) Frame: Plastic
Resistance
	Water, Dust; IP67
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White	Iceblue, Lilac, Navy, Lemon

Display

Size
5.9-inch	6.6-inch
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI	2400x1080px, 20:9 ratio, 399 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	120Hz
Screen-to-body
85.73 %	84.30 %
Peak brightness
	550 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 7904 (14 nm)	Exynos 1480 (5 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 4x 2.7GHz Cortex-A78 + 4x 2.0GHz Cortex-A55
GPU
Mali-G71 MP2	Yes
RAM
4GB (LPDDR4)	8GB
Internal storage
64GB, available to use: 49.4 GB	128GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10, 9.0 Pie), Samsung One UI	Android (14)

Battery

Capacity
3100 mAh	5000 mAh
Type
Li - Polymer	Li - Ion
Charging
Samsung Adaptive Fast Charging	Fast charging
Charge speed
	Wired: 25.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 36min

Browsing

17h 7min

Video

8h 15min

Gaming

9h 39min

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, Autofocus) Aperture size: F1.8 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) Aperture size: F2.2 Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Hyperlapse, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps)
Front
25 MP, Video capture: 1920x1080 (Full HD)	32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

N/A

Overall

N/A

Photo

N/A

Video

132

Overall

140

Photo

123

Video

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

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	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G
	Bands n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg

Buyers information

MSRP
	$ 489

Availability

Officially announced
Apr 10, 2019	Mar 11, 2024

Alternative variants

With 256GB internal storage


Internal storage	256GB

With 12GB RAM and 256GB internal storage


RAM	12GB
Internal storage	256GB

Links

Full specifications
Samsung Galaxy A40 Specs	Samsung Galaxy A55 5G Specs
PhoneArena Review
	Samsung Galaxy A55 5G Review
User Reviews
Samsung Galaxy A40 User Reviews