Samsung Galaxy M40 vs Samsung Galaxy A41 vs Samsung Galaxy A51

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

Display

Size:

6.3 inches
6.1 inches
6.5 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 409 PPI
2400 x 1080 pixels, 20:9 ratio, 431 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

IPS LCD
Super AMOLED
Super AMOLED

Screen-to-body:

84.94 %
85.82 %
87.37 %

Features:

Scratch-resistant glass (Corning Gorilla Glass), Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 675 SM6150
MediaTek Helio P65 MT6768
Samsung Exynos 9611

Processor:

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 612
Mali-G52 MC2
Mali-G72 MP3

RAM:

6GB LPDDR4
4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB, available to use: 105 GB
64GB, available to use: 46.9 GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI
Android (10), Samsung One UI
Android (11, 10), Samsung One UI

Battery

Capacity:

3500 mAh
3500 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

Samsung Adaptive Fast Charging
Fast charging
Fast charging

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

32 MP (PDAF)
48 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide, PDAF)
8 MP (Ultra-wide)
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

5 MP (Depth information)
5 MP (Depth information)
5 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

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

Features:

Hyperlapse, Video calling, Video sharing
Hyperlapse, EIS

Front:

16 MP (HDR)
25 MP
32 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.11 x 2.91 x 0.31 inches (155.3 x 73.9 x 7.9 mm)
5.90 x 2.75 x 0.31 inches (149.9 x 69.8 x 7.9 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

5.93 oz (168.0 g)
5.36 oz (152.0 g)
6.07 oz (172.0 g)

Materials:

Back: Plastic
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

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

Colors:

Midnight blue, Seawater blue
Prism Crush black, Prism Crush white, Prism Crush blue, Prism Crush red
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 8(900)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

Bands 5(850), 8(900), 1(2100)
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 5(850), 8(900), 4(1700/2100), 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, 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:

Shared with microSD
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos, Album art cover, Background playback
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
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; 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
Type-C (reversible), USB 2.0

Features:

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

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
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
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

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

Regulatory Approval

FCC approval:

Date approved:

Nov 28, 2019

FCC ID value:

A3LSMA515FN link

Measured SAR:

Head:

0.89 W/kg

Body:

1.18 W/kg

Simultaneous Transmission:

1.56 W/kg

Wireless Router:

1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 400

User Manual:

This is the official Samsu​ng Galaxy A41 User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

In The Box:

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

Availability

Officially announced:

Jun 11, 2019
Apr 08, 2020
Dec 12, 2019
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