Samsung Galaxy M40 vs Samsung Galaxy M21 - specs comparison

Display

Size:

6.3 inches

6.4 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 409 PPI

2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

IPS LCD

Super AMOLED

Screen-to-body:

84.94 %

84.11 %

Peak brightness:

420 cd/m2 (nit)

Features:

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

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

Hardware

System chip:

Qualcomm Snapdragon 675 SM6150 (11 nm)

Exynos 9611 (10 nm)

Processor:

Octa-core, 2000 MHz, Kryo 460, 64-bit

Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit

GPU:

Adreno 612

Mali-G72 MP3

RAM:

6GB LPDDR4

4GB LPDDR4

Internal storage:

128GB, available to use: 105 GB

64GB, available to use: 49 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI

Android (11, 10), Samsung One UI

Battery

Capacity:

3500 mAh

6000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Charging:

Samsung Adaptive Fast Charging

Fast charging

Camera

Rear:

Triple camera

Main camera:

32 MP (PDAF)

48 MP (PDAF)

Specifications:

F1.7; 27 mm; 1/2.8"; 0.8 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

8 MP (Ultra-wide, PDAF)

8 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

Third camera:

5 MP (Depth information)

Specifications:

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

Aperture size: F2.2

Video recording:

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

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

Features:

Hyperlapse, Video calling, Video sharing

EIS

Front:

16 MP (HDR)

20 MP (HDR)

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)

6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)

Weight:

5.93 oz (168.0 g)

6.63 oz (188.0 g)

Materials:

Back: Plastic

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Midnight blue, Seawater blue

Midnight blue, Raven black

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)

LTE (TDD):

Bands 40(2300), 41(2600+)

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

UMTS:

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

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

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

Dual SIM:

Shared with microSD

Yes

SIM type:

Nano SIM

Multimedia

Headphones:

No 3.5mm jack

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Dolby Atmos, Album art cover, Background playback

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

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

USB:

Type-C (reversible), USB 2.0

Features:

Charging, Headphones port, Mass storage device

Charging

Location:

GPS, A-GPS, Glonass, 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

Other:

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

Buyers information

In The Box:

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

This is the official Samsung Galaxy M21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Jun 11, 2019

Mar 18, 2020