Samsung Galaxy A9 (2018) vs Samsung Galaxy A40 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.

4.0
Samsung Galaxy A9 (2018)
Samsung Galaxy A9 (2018) Samsung Galaxy A40
Released · Nov 15, 2018
Released · Apr 10, 2019
6.3-inch · 2220x1080px
5.9-inch · 2340x1080px
Quad camera
Dual camera
6GB · 128GB
4GB · 64GB
3800 mAh
3100 mAh

Availability

Officially announced
Oct 11, 2018 Apr 10, 2019

Design

Dimensions
6.40 x 3.03 x 0.31 inches
162.5 x 77 x 7.8 mm
5.69 x 2.72 x 0.31 inches
144.4 x 69.2 x 7.9 mm
Weight
6.46 oz (183.0 g) 4.94 oz (140.0 g)
Materials
Back: Glass
Frame: Metal
Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Left: Other; Right: Volume control, Lock/Unlock key; Back: Other Right: Volume control, Lock/Unlock key
Colors
Caviar black, Lemonade blue, Bubblegum pink Black, Coral, Blue, White

Display

Size
6.3-inch, 80.51% screen-to-body 5.9-inch, 85.73% screen-to-body
Type
Super AMOLED Super AMOLED
Resolution
2220x1080px, 18.5:9 ratio, 392 PPI 2340x1080px, 19.5:9 ratio, 437 PPI
Protection
Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 660 SDM660 (14 nm) Exynos 7904 (14 nm)
Processor
Octa-core
2200 MHz
Kryo 260
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 512 Mali-G71 MP2
Memory
6GB (LPDDR4)/128GB 4GB (LPDDR4)/64GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (10, 9.0 Pie, 8.0 Oreo) Android (11, 10, 9.0 Pie)

Battery

Type
3800 mAh, Li - Polymer 3100 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging Samsung Adaptive Fast Charging

Camera

Rear
Quad camera Dual camera
Main camera
24 MP (PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.8"
Pixel size: 0.9 μm
16 MP (PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.8"
Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.4
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, Autofocus)
Optical zoom: 2.0x
Aperture size: F2.4
Focal Length: 52 mm
Sensor size: 1/3.9"
Pixel size: 1 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Focal Length: 24 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p (30 fps)
Hyperlapse, Continuous autofocus, EIS, Video calling, Video sharing
1080p (30 fps)
Hyperlapse, Video calling, Video sharing
Front
24 MP
Video capture: 1080p
25 MP
Video capture: 1080p

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66 1, 3, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 5, 8
Data Speed
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS LTE-A Cat 12/13 (600/150 Mbit/s), 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: Oct 18, 2018
FCC ID value: A3LSMA920F
Date approved: Mar 08, 2019
FCC ID value: A3LSMA405FN
Measured SAR
Head: 0.24 W/kg
Body: 0.84 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.40 W/kg
Phablet: 3.95 W/kg
Head: 0.51 W/kg
Body: 0.46 W/kg
Simultaneous Transmission: 1.02 W/kg
Wireless Router: 0.61 W/kg

Alternative variants

Dual SIM
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless