Home Phone comparison Xiaomi Poco X7 Pro and Samsung Galaxy M21 - Which is better?

Xiaomi Poco X7 Pro vs Samsung Galaxy M21

77 out 100
Xiaomi Poco X7 Pro
VS
45 out 100
Samsung Galaxy M21
Xiaomi Poco X7 Pro
Samsung Galaxy M21

Compared 2 smartphones : Xiaomi Poco X7 Pro Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 8400 Ultra, vs Samsung Galaxy M21, Manufactured in March, 2020with chipsetSamsung Exynos 7 Octa 9611. 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 Xiaomi Poco X7 Pro
  • Larger display: 6.67in
  • Higher pixel density: 446ppi
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy M21
  • Lighter design: 188g vs 195g

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB		 - 4/64 GB
- 6/128 GB

Review

Key Specs Xiaomi Poco X7 Pro and Samsung Galaxy M21
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:
Xiaomi Poco X7 Pro
vs
Samsung Galaxy M21

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.67 in 6.4 in
Resolution 1220x2712 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 446 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1400 nits 630 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 88.8 % 84.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco X7 Pro
1268 nits
Samsung Galaxy M21
608 nits
sRGB gamut99.6 %141.3 %
PWM (Flicker)120 Hz215 Hz
Response time1 ms9 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi Poco X7 Pro], [Samsung Galaxy M21]

Design & Build

Design and ergonomics comparison
Height 160.75 mm (6.33 in) 159 mm (6.26 in)
Width 75.24 mm (2.96 in) 75.1 mm (2.96 in)
Thickness 8.29 mm (0.33 in) 8.9 mm (0.35 in)
Weight 195 g (6.88 oz) 188 g (6.63 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Green
- Yellow		 - Black
- Blue
- Green
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi Poco X7 Pro
88.8 %
Samsung Galaxy M21
84.2 %

Performance

Testing Xiaomi Poco X7 Pro and Samsung Galaxy M21 In benchmarks
Processor
Chipset MediaTek Dimensity 8400 Ultra Samsung Exynos 7 Octa 9611
Max Frequency 3250 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 4 nm 10 nm
Neural Processor MediaTek NPU 880 Yes
Graphics Mali-G720 MP7 Mali-G72 MP3
GPU Cores 896 54
GPU Frequency 1300 MHz 850 MHz
FLOPS 2329.6 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7 Pro
1595
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Xiaomi Poco X7 Pro
6333
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)1595514
Geekbench 6 (Multi-Core)63331558
Geekbench Compute (GPU)10422n/a
Sources: Geekbench v6 [Xiaomi Poco X7 Pro]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7 Pro
1623938
Samsung Galaxy M21
266455
CPU37809676468
GPU56374445756
Memory37853970269
UX30355973962
NanoReview Score1623938266455
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X7 Pro
n/a
Samsung Galaxy M21
816
Max Surface Temp.n/a44.1 °C
Stabilityn/a73 %
Graphics Testn/a4 fps
Graphics Scoren/a816
Sources: 3DMark [Samsung Galaxy M21]

Memory

RAM
RAM Size 8 GB - 4 GB
- 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 4 2
Storage
Storage Capacity256 GB- 64 GB
- 128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10.0 (Upgradeable to Android 12.0)
OS Size n/a 14.5 GB
UI Skin HyperOS 2.0 One Ui 4.1

Battery

Volume 6000 mAh 6000 mAh
Max Charging Power 90 W 15 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (50% in 17 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 0:42 h 2:35 h
Battery Life Test
Battery Life
Xiaomi Poco X7 Pro
23:02
Samsung Galaxy M21
24:03
Web Browsing10:29 h10:07 h
Video Playback15:22 h13:59 h
Games05:54 h05:35 h
Standby Mode93 h115 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.5f/2.0
Focal length26 mm26 mm
SensorSony IMX882Samsung S5KGM2
Sensor size1/1.961/2.0
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mm12 mm
SensorSmartsens SC820CSn/a
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 20 MP
Photo resolution 5184x3888 pixels 5184x3888 pixels
Aperture f/2.2 f/2.0
Focal length 21 mm 26 mm
Sensor Omnivision OV20B CMOS
Sensor size 1/4.0 n/a
Pixel size 0.7 μm n/a
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 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5.4 5
Bluetooth features LE 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
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/2/4/5/6/8/19B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE categoryn/a12
5G SupportYesNo

Sound

Speakers n/a Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X7 Pro
91.5 dB
Samsung Galaxy M21
83.8 dB

Other

Class Mid-range Mid-range
Announced January, 2025 yr March, 2020 yr
Release Date January, 2025 yr March, 2020 yr
Launch Price ($) n/a 210
MSRP ($) 299 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W n/a

Note

Xiaomi Poco X7 Pro:

The eco-leather version is thicker at 8.43 and weighs 198 grams.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco X7 Pro the clear winner in this comparison.

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