Samsung Galaxy M30 vs Samsung Galaxy M21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy M30
Samsung Galaxy M21
Samsung Galaxy M30 Samsung Galaxy M21
Released · Mar 07, 2019
Released · Mar 23, 2020
6.4-inch · 2280x1080px
6.4-inch · 2340x1080px
Triple camera
Triple camera
6GB · 128GB
4GB · 64GB
5000 mAh
6000 mAh

Availability

Officially announced
Feb 27, 2019 Mar 18, 2020

Design

Dimensions
6.26 x 2.96 x 0.33 inches
159 x 75.1 x 8.5 mm 		6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm
Weight
6.14 oz / 174.0 g 6.63 oz / 188.0 g
Materials
Back: Plastic Back: Plastic
Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Features
Soft keys
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Blue Midnight blue, Raven black

Display

Size
6.4-inch, 86.66% screen-to-body 6.4-inch, 84.11% screen-to-body
Type
Super AMOLED Super AMOLED, 420 nits
Resolution
2280x1080px, 19.5:9 ratio, 395 PPI 2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 3
Features
Scratch-resistant glass, Proximity sensor

Hardware

System chip
Samsung Exynos 7 Octa 7904 (14 nm) Exynos 9611 (10 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53 		Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
GPU
Mali-G71 MP2 Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB
4GB/64GB 		4GB (LPDDR4)/64GB
6GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.1 Oreo) Android (11, 10)

Battery

Type
5000 mAh 6000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging Fast charging

Camera

Rear
Triple camera Triple camera
Main camera
13 MP (PDAF)
Aperture size: F1.9
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm 		48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/5"
Pixel size: 1.12 μm 		8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Depth information)
Aperture size: F2.2 		5 MP (Depth information)
Aperture size: F2.2
Flash
LED LED
Video recording
1080p (30 fps)
Video calling, Video sharing 		4K UHD (30 fps), 1080p, 720p (240 fps)
EIS
Front
16 MP
Video capture: 1080p 		20 MP (HDR)
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Proximity sensor Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 8, 20 1, 3, 5, 7, 8, 20
4G (TDD) Bands
40, 41 38, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 5, 8
Data Speed
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
Yes Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Feb 13, 2019
FCC ID value: A3LSMM305F
Measured SAR
Head: 0.28 W/kg
Body: 0.39 W/kg
Simultaneous Transmission: 1.24 W/kg
Wireless Router: 0.93 W/kg

Alternative variants

with 64 GB storage
Memory 4GB/64GB
with 128GB storage
Memory 6GB/128GB
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