Home Phone comparison Samsung Galaxy M21 and Xiaomi Poco M7 5G - Which is better?

Samsung Galaxy M21 vs Xiaomi Poco M7 5G

45 out 100
Samsung Galaxy M21
VS
54 out 100
Xiaomi Poco M7 5G
Samsung Galaxy M21
Xiaomi Poco M7 5G

Compared 2 smartphones : Samsung Galaxy M21 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Xiaomi Poco M7 5G, Manufactured in March, 2025 with chipsetQualcomm Snapdragon 4 Gen 2. 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
  • Lighter design: 188g vs 205.4g
  • Higher battery capacity: 6000mAh vs 5160mAh
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco M7 5G
  • Larger display: 6.88in
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.3 vs 5
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy M21 and Xiaomi Poco M7 5G
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.
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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
Xiaomi Poco M7 5G

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 6.4 in 6.88 in
Resolution 1080x2340 pixels 720x1640 pixels
Aspect ratio 19.5:9 20:9
Pixel density 403 ppi 260 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 630 nits 600 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 84.2 % 85.5 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy M21
608 nits
Xiaomi Poco M7 5G
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) 171.88 mm (6.77 in)
Width 75.1 mm (2.96 in) 77.8 mm (3.06 in)
Thickness 8.9 mm (0.35 in) 8.22 mm (0.32 in)
Weight 188 g (6.63 oz) 205.4 g (7.25 oz)
Water resistance No IP52
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Black
- Blue
- Purple
Fingerprint sensor Yes rear Yes, In-Button
Screen-to-body ratio
Samsung Galaxy M21
84.2 %
Xiaomi Poco M7 5G
85.5 %

Performance

Testing Samsung Galaxy M21 and Xiaomi Poco M7 5G In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 4 Gen 2
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-A78)
Process Samsung Samsung
Transistor Size 10 nm 4 nm
Neural Processor Yes Yes
Graphics Mali-G72 MP3 Adreno 613
GPU Cores 54 128
GPU Frequency 850 MHz 955 MHz
FLOPS 113.8 GFLOPS 244.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M21
514
Xiaomi Poco M7 5G
915
Geekbench 6 (Multi-Core)
Samsung Galaxy M21
1558
Xiaomi Poco M7 5G
2115
Geekbench 6 (Single-Core)514915
Geekbench 6 (Multi-Core)15582115
Geekbench Compute (GPU)n/a610
Sources: Geekbench v6 [Xiaomi Poco M7 5G]
AnTuTu 10
AnTuTu 10
Samsung Galaxy M21
266455
Xiaomi Poco M7 5G
434078
CPU76468150619
GPU4575649913
Memory70269127137
UX73962106409
NanoReview Score266455434078
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M21
816
Xiaomi Poco M7 5G
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		 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 10.0 (Upgradeable to Android 12.0) Android 14
OS Size 14.5 GB n/a
UI Skin One Ui 4.1 HyperOS 1.0

Battery

Volume 6000 mAh 5160 mAh
Max Charging Power 15 W 18 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (25% in 30 min) Yes (25% in 30 min)
Full Charge Time 2:35 h 2:18 h
Battery Life Test
Battery Life
Samsung Galaxy M21
24:03
Xiaomi Poco M7 5G
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 8160x6144 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 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP		 Standard: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mm27 mm
SensorSamsung S5KGM2Sony IMX852
Sensor size1/2.01/2.96
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 n/a
Aperture f/2.0 n/a
Focal length 26 mm n/a
Sensor CMOS CMOS
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
- OTG
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, PCS1900GSM 3/5/8
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)WCDMA 1/5/8
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B1/B3/B5/B8/B41/B2840)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy M21
83.8 dB
Xiaomi Poco M7 5G
n/a

Other

Class Mid-range Budget
Announced March, 2020 yr March, 2025 yr
Release Date March, 2020 yr March, 2025 yr
Launch Price ($) 210 n/a
MSRP ($) n/a 100
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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