Samsung Galaxy A9 (2018) vs Samsung Galaxy A40

$375.99 VIEW ON AMAZON
$265.99 VIEW ON AMAZON

Display

Display size

6.3 inches
5.9 inches

Resolution

1080 x 2220 pixels
1080 x 2340 pixels

Pixel density

392 ppi
437 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body

80.51 %
85.73 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Qualcomm Snapdragon 660 SDM660
Samsung Exynos 7 Octa 7885

Processor

Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 512
Mali-G71 MP2

RAM

6 GB
4 GB

Internal storage

128 GB
64 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

Android (8.0 Oreo), Samsung Experience UI
Android (9.0 Pie), Samsung One UI

Battery

Capacity

3800 mAh
3100 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Samsung Adaptive Fast Charging
Samsung Adaptive Fast Charging

Camera

Rear

Quad camera
Dual camera

Main camera

24 megapixels
 

Features

Phase detection autofocus
Phase detection autofocus

Second camera

10 megapixels
5 megapixels

Features

Telephoto, Autofocus
Ultra-wide

Third camera

8 megapixels
 

Features

Ultra-wide
 

Fourth camera

5 megapixels
 

Features

Depth information
 

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Hyperlapse, Continuous autofocus, Digital image stabilization, Video calling, Video sharing
Hyperlapse, Video calling, Video sharing

Front

24 megapixels
25 megapixels

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 g)
the average is 6.1 oz (176 g)
4.94 oz (140 g)
the average is 6.1 oz (176 g)

Materials

Back: Glass; Frame: Metal
Back: Plastic

Biometrics

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Colors

Caviar black, Lemonade blue, Bubblegum pink
Black, Coral, Blue, White

Cellular

LTE (FDD)

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)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

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

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
Dolby Atmos, Album art cover, Background playback

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features

Charging, Mass storage device
Charging, Mass storage device

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Shopping information

In The Box

Charger, USB cable, Headphones, SIM removal tool, Documentation
 
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