Home Phone comparison Samsung Galaxy M21 and Samsung Galaxy A07 4G - Which is better?

Samsung Galaxy M21 vs Samsung Galaxy A07 4G

45 out 100
Samsung Galaxy M21
VS
52 out 100
Samsung Galaxy A07 4G
Samsung Galaxy M21
Samsung Galaxy A07 4G

Compared 2 smartphones : Samsung Galaxy M21 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Samsung Galaxy A07 4G, Manufactured in August, 2025with chipsetMediatek Helio G99. 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 5000mAh
Reasons to choose Samsung Galaxy A07 4G
  • Larger display: 6.7in
  • Higher refresh rate: 90Hz
  • Lighter design: 184g vs 188g
  • Newer Bluetooth version: 5.3 vs 5

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 6/128 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy M21 and Samsung Galaxy A07 4G
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
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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 A07 4G

Display

Display quality comparison
Type Super AMOLED PLS TFT
Size 6.4 in 6.7 in
Resolution 1080x2340 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 403 ppi 262 ppi
Refresh rate 60 Hz 90 Hz
Adaptive refresh rate No n/a
Max brightness 630 nits 450 nits
HDR support No No
Screen-to-body ratio 84.2 % 85.1 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy M21
608 nits
Samsung Galaxy A07 4G
n/a
sRGB gamut141.3 %n/a
PWM (Flicker)215 Hzn/a
Response time9 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy M21]

Design & Build

Design and ergonomics comparison
Height 159 mm (6.26 in) 164.4 mm (6.47 in)
Width 75.1 mm (2.96 in) 77.4 mm (3.05 in)
Thickness 8.9 mm (0.35 in) 7.6 mm (0.3 in)
Weight 188 g (6.63 oz) 184 g (6.49 oz)
Water resistance No IP54
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - White
- Gold
- Blue
Fingerprint sensor Yes rear Yes, In-Button
Screen-to-body ratio
Samsung Galaxy M21
84.2 %
Samsung Galaxy A07 4G
85.1 %

Performance

Testing Samsung Galaxy M21 and Samsung Galaxy A07 4G In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 Mediatek Helio G99
Max Frequency 2300 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process Samsung TSMC
Transistor Size 10 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G72 MP3 Mali-G57 MP2
GPU Cores 54 64
GPU Frequency 850 MHz 1000 MHz
FLOPS 113.8 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M21
514
Samsung Galaxy A07 4G
535
Geekbench 6 (Multi-Core)
Samsung Galaxy M21
1558
Samsung Galaxy A07 4G
1770
Geekbench 6 (Single-Core)514535
Geekbench 6 (Multi-Core)15581770
AnTuTu 10
AnTuTu 10
Samsung Galaxy M21
266455
Samsung Galaxy A07 4G
413198
CPU76468127969
GPU4575666079
Memory70269111206
UX73962107944
NanoReview Score266455413198
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M21
816
Samsung Galaxy A07 4G
n/a
Max Surface Temp.44.1 °Cn/a
Stability73 %n/a
Graphics Test4 fpsn/a
Graphics Score816n/a
Sources: 3DMark [Samsung Galaxy M21]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		64 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12.0) Android 15
OS Size 14.5 GB n/a
UI Skin One Ui 4.1 One UI 7.0

Battery

Volume 6000 mAh 5000 mAh
Max Charging Power 15 W 25 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 (44% in 30 min)
Full Charge Time 2:35 h 1:25 h
Battery Life Test
Battery Life
Samsung Galaxy M21
24:03
Samsung Galaxy A07 4G
n/a
Web Browsing10:07 hn/a
Video Playback13:59 hn/a
Games05:35 hn/a
Standby Mode115 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 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 60 fps)
Slow Motion 240 fps (720p) 120 fps (720p)
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mmn/a
SensorSamsung S5KGM2n/a
Sensor size1/2.01/2
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length12 mmn/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 20 MP 8 MP
Photo resolution 5184x3888 pixels 3264x2448 pixels
Aperture f/2.0 f/2.0
Focal length 26 mm n/a
Sensor CMOS CMOS
Sensor size n/a 1/4.0
Pixel size n/a 1.12 μm
Autofocus No No
Stabilization Digital No
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
- Wi-Fi Display
Bluetooth version 5 5.3
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
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, PCS1900GSM850, GSM900, DCS1800
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)UMTS B1(2100), B5(850), B8(900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B1/B3/B5/B7/B8/B20/B28)
LTE category12n/a
5G SupportNoNo

Sound

Speakers Mono n/a
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 A07 4G
n/a

Other

Class Mid-range Budget
Announced March, 2020 yr August, 2025 yr
Release Date March, 2020 yr August, 2025 yr
Launch Price ($) 210 n/a
MSRP ($) n/a 120
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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