Home Phone comparison Samsung Galaxy M21 and Samsung Galaxy A30s - Which is better?

Samsung Galaxy M21 vs Samsung Galaxy A30s

45 out 100
Samsung Galaxy M21
VS
35 out 100
Samsung Galaxy A30s
Samsung Galaxy M21
Samsung Galaxy A30s

Compared 2 smartphones : Samsung Galaxy M21 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Samsung Galaxy A30s, Manufactured in September, 2019 with chipsetSamsung Exynos 7 Octa 7904. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M21
  • Higher pixel density: 403ppi
  • Higher battery capacity: 6000mAh vs 4000mAh
Reasons to choose Samsung Galaxy A30s
  • Lighter design: 169g vs 188g

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 6/128 GB		 - 3/32 GB
- 4/64 GB
- 4/128 GB

Review

Key Specs Samsung Galaxy M21 and Samsung Galaxy A30s
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy M21
vs
Samsung Galaxy A30s

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.4 in 6.4 in
Resolution 1080x2340 pixels 720x1560 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 403 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 630 nits 500 nits
HDR support No No
Screen-to-body ratio 84.2 % 84.9 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy M21
608 nits
Samsung Galaxy A30s
486 nits
sRGB gamut141.3 %98 %
PWM (Flicker)215 Hz240 Hz
Response time9 ms4 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Samsung Galaxy M21], [Samsung Galaxy A30s]

Design & Build

Design and ergonomics comparison
Height 159 mm (6.26 in) 158.5 mm (6.24 in)
Width 75.1 mm (2.96 in) 74.7 mm (2.94 in)
Thickness 8.9 mm (0.35 in) 7.8 mm (0.31 in)
Weight 188 g (6.63 oz) 169 g (5.96 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - White
- Black
- Purple
Fingerprint sensor Yes rear Yes In-Display
Screen-to-body ratio
Samsung Galaxy M21
84.2 %
Samsung Galaxy A30s
84.9 %

Performance

Testing Samsung Galaxy M21 and Samsung Galaxy A30s In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 Samsung Exynos 7 Octa 7904
Max Frequency 2300 MHz 1770 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 6/1.6 (Cortex-A53)
- 2/1.8 (Cortex-A73)
Process Samsung Samsung
Transistor Size 10 nm 14 nm
Neural Processor Yes No
Graphics Mali-G72 MP3 Mali-G71 MP2
GPU Cores 54 32
GPU Frequency 850 MHz 770 MHz
FLOPS 113.8 GFLOPS 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M21
514
Samsung Galaxy A30s
486
Geekbench 6 (Multi-Core)
Samsung Galaxy M21
1558
Samsung Galaxy A30s
1530
Geekbench 6 (Single-Core)514486
Geekbench 6 (Multi-Core)15581530
AnTuTu 10
AnTuTu 10
Samsung Galaxy M21
266455
Samsung Galaxy A30s
187120
CPU7646867662
GPU4575620817
Memory7026950609
UX7396248032
NanoReview Score266455187120
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M21
816
Samsung Galaxy A30s
407
Max Surface Temp.44.1 °C34.7 °C
Stability73 %97 %
Graphics Test4 fps2 fps
Graphics Score816407
Sources: 3DMark [Samsung Galaxy M21], [Samsung Galaxy A30s]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 - 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1933 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 32 GB
- 64 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12.0) Android 9.0 (Upgradeable to Android 11)
OS Size 14.5 GB 10.9 GB
UI Skin One Ui 4.1 One UI 3.1

Battery

Volume 6000 mAh 4000 mAh
Max Charging Power 15 W 15 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (25% in 30 min) Yes Samsung Adaptive Fast Charge (40% in 30 min)
Full Charge Time 2:35 h 1:45 h
Battery Life Test
Battery Life
Samsung Galaxy M21
24:03
Samsung Galaxy A30s
17:49
Web Browsing10:07 h06:26 h
Video Playback13:59 h11:19 h
Games05:35 h04:35 h
Standby Mode115 h88 h

Main camera

Matrix 48 MP 25 MP
Photo resolution 8000x6000 pixels 5288x3968 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 120 fps (720p)
Wide-angle lens 123 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP		 Standard: 25 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP25 MP
Aperturef/2.0f/1.7
Focal length26 mm27 mm
SensorSamsung S5KGM2Samsung S5K2X5
Sensor size1/2.01/2.8
Pixel size0.8 μm0.9 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length12 mm13 mm
Sensor size1/4.01/4
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 16 MP
Photo resolution 5184x3888 pixels 4608x3456 pixels
Aperture f/2.0 f/2.0
Focal length 26 mm 26 mm
Sensor CMOS ISOCELL CMOS
Sensor size n/a 1/3.1
Pixel size n/a 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 / 900 / 1800 / 1900
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)HSDPA 850 / 900 / 1900 / 2100
LTE category1210
5G SupportNon/a

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M21
83.8 dB
Samsung Galaxy A30s
86.2 dB

Other

Class Mid-range Mid-range
Announced March, 2020 yr August, 2019 yr
Release Date March, 2020 yr September, 2019 yr
Launch Price ($) 210 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy M21 the clear winner in this comparison.

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