Samsung Galaxy A40 vs Samsung Galaxy A90 5G Specs Comparison

Design

Dimensions
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm	6.49 x 3.01 x 0.33 inches 164.8 x 76.4 x 8.4 mm
Weight
4.94 oz (140.0 g)	7.27 oz (206.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Glass
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White	Black, White

Display

Size
5.9-inch	6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
Super AMOLED	Super AMOLED
Screen-to-body
85.73 %	85.99 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 7904 (14 nm)	Qualcomm Snapdragon 855 SM8150 (7 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2840 MHz Kryo 485
GPU
Mali-G71 MP2	Adreno 640
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
64GB, available to use: 49.4 GB	128GB, available to use: 106.4 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie), Samsung One UI	Android

Battery

Capacity
3100 mAh	4500 mAh
Type
Li - Polymer	Li - Polymer
Charging
Samsung Adaptive Fast Charging	Samsung Adaptive Fast Charging

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	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Hyperlapse, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (960 fps) Time-lapse video, EIS
Front
25 MP, Video capture: 1920x1080 (Full HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 3.1
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	ANT+

Multimedia

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

Cellular

5G
	Bands n78, Sub-6
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), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 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 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
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, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM

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

Availability

Officially announced
Apr 10, 2019

Alternative variants

with 8 GB RAM

RAM	8GB
Storage expansion	not expandable

Links

Full specifications
Samsung Galaxy A40 Specs	Samsung Galaxy A90 5G Specs
User Reviews
Samsung Galaxy A40 User Reviews