Samsung Galaxy A40 vs Xiaomi Mi A3 - specs comparison

Display

Size

5.9 inches

6.1 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,

437 PPI

1560 x 720 pixels, 19.5:9 ratio,

282 PPI

Technology

Super AMOLED

Screen-to-body

85.73 %

82.56 %

Features

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

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7885

Qualcomm Snapdragon 665

Processor

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

Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm

GPU

Mali-G71 MP2

Adreno 610

RAM

4GB

Internal storage

64GB

128GB

Storage expansion

microSDXC up to 512 GB

microSDXC up to 256 GB

OS

Android (9.0 Pie), Samsung One UI

Android (9.0 Pie)

Battery

Capacity

3100 mAh

4030 mAh

Type

Li - Polymer, Not user replaceable

Not user replaceable

Charging

Samsung Adaptive Fast Charging

Qualcomm Quick Charge 3.0

Camera

Rear

Dual camera

Triple camera

Main camera

48 MP

Features

PDAF

Second camera

5 MP

8 MP

Features

Ultra-wide

Third camera

2 MP

Features

Depth information

Video recording

1920x1080 (Full HD) (30 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features

Hyperlapse, Video calling, Video sharing

EIS, Video calling, Video sharing

Front

25 MP

32 MP

Design

Dimensions

5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)

6.04 x 2.83 x 0.33 inches (153.48 x 71.85 x 8.475 mm)

Weight

4.94 oz (140 g)

6.13 oz (174 g)

Materials

Back: Plastic

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Biometrics

2D Face unlock, Fingerprint (touch)

2D Face unlock, In-screen fingerprint

Colors

Black, Coral, Blue, White

Gray, Blue, White

Cellular

LTE (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), 20(800 DD), 28(700 APT)

LTE (TDD)

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

Bands 38(2600), 40(2300)

UMTS

850, 900, 1900, 2100 MHz

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

Data Speed

LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes

SIM type

Nano SIM

Multimedia

Headphones

3.5mm jack

Features

Dolby Atmos, Album art cover, Background playback

Album art cover, Background playback

Connectivity & Features

Bluetooth

5.0

Wi-Fi

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

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

USB

Type-C (reversible), USB 2.0

Type-C (reversible)

Features

Charging, Mass storage device

Mass storage device, Charging

Sensors

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

Accelerometer, Gyroscope, Compass

Other

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

Infrared, VoIP, Tethering, Computer sync, OTA sync

Phone features

Notifications

Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording

Shopping information

In The Box

10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card