Samsung Galaxy M40 vs Samsung Galaxy A3 (2017) Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.3 inches
4.7 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 409 PPI
1280 x 720 pixels, 312 PPI

Technology:

IPS LCD
Super AMOLED

Screen-to-body:

84.94 %
67.85 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 675 SM6150 (11 nm)
Samsung Exynos 7 Octa 7870 (14 nm)

Processor:

Octa-core, 2000 MHz, Kryo 460, 64-bit
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit

GPU:

Adreno 612
Mali-T830 MP2

RAM:

6GB LPDDR4
2GB LPDDR3

Internal storage:

128GB, available to use: 105 GB
16GB, available to use: 9.7 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (7.0 Nougat, 6.0 Marshmallow)

Battery

Capacity:

3500 mAh
2350 mAh

Type:

Not user replaceable
Not user replaceable

Charging:

Samsung Adaptive Fast Charging

Camera

Rear:

Triple camera
Single camera

Main camera:

32 MP (PDAF)
13 MP (Autofocus, CMOS image sensor)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
Aperture size: F1.9

Second camera:

8 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash:

LED
LED

Video recording:

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

Features:

Hyperlapse, Video calling, Video sharing
Video calling, Video sharing

Front:

16 MP (HDR)
8 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.11 x 2.91 x 0.31 inches (155.3 x 73.9 x 7.9 mm)
5.33 x 2.61 x 0.31 inches (135.4 x 66.2 x 7.9 mm)

Weight:

5.93 oz (168.0 g)
4.87 oz (138.0 g)

Materials:

Back: Plastic
Back: Glass; Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

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

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Midnight blue, Seawater blue
Black sky, Gold sand, Peach cloud, Blue mist

Cellular

4G (FDD):

Bands 1(2100), 3(1800), 5(850), 8(900)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

4G (TDD):

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

3G:

Bands 5(850), 8(900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A Cat 13/5 (400/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSPA

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

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

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
4.2

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; 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)

Features:

Charging, Headphones port, Mass storage device
Charging, Mass storage device

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass

Sensors:

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

Other:

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Regulatory Approval

FCC approval:

Date approved:

Dec 21, 2016

FCC ID value:

A3LSMA320F

Measured SAR:

Head:

0.45 W/kg

Body:

0.74 W/kg

Simultaneous Transmission:

1.56 W/kg

Wireless Router:

0.94 W/kg

Buyers information

In The Box:

Type-C earphones, Data cable, 15W charger, User manual, Ejection pin

Availability

Officially announced:

Jun 11, 2019
Jan 02, 2017
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