Xiaomi Poco M3 vs Samsung Galaxy A51

Compared 2 smartphones : Xiaomi Poco M3 Manufactured in December, 2020, with display 6.53 with chipsetQualcomm Snapdragon 662, vs Samsung Galaxy A51, Manufactured in December, 2019 with chipsetSamsung Exynos 9 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco M3
  • Larger display: 6.53in
  • Higher battery capacity: 6000mAh vs 4000mAh
  • Infrared port
Reasons to choose Samsung Galaxy A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 198g
  • Supports Dolby Atmos

Versions

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

Review

Key Specs Xiaomi Poco M3 and Samsung Galaxy A51
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

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.53 in 6.5 in
Resolution 1080x2340 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 395 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 440 nits 400 nits
HDR support No No
Screen-to-body ratio 83.4 % 87.5 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco M3
437 nits
Samsung Galaxy A51
631 nits
sRGB gamut96.5 %98.8 %
PWM (Flicker)892 Hz242 Hz
Response time36 ms25 ms
Contrast2214:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.3 mm (6.39 in) 158.5 mm (6.24 in)
Width 77.3 mm (3.04 in) 73.6 mm (2.9 in)
Thickness 9.6 mm (0.38 in) 7.9 mm (0.31 in)
Weight 198 g (6.98 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Yellow
- White
- Black
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Poco M3
83.4 %
Samsung Galaxy A51
87.5 %

Performance

Testing Xiaomi Poco M3 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 662 Samsung Exynos 9 Octa 9611
Max Frequency 2000 MHz 2300 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo 260 Silver (Cortex-A53))
- 4/2 (Kryo 260 Gold (Cortex-A73))
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 11 nm 10 nm
Neural Processor Hexagon 683 Yes
Graphics Adreno 610 Mali-G72 MP3
GPU Cores 128 54
GPU Frequency 950 MHz 850 MHz
FLOPS 243.2 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco M3
511
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Xiaomi Poco M3
1552
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)511512
Geekbench 6 (Multi-Core)15521556
AnTuTu 10
AnTuTu 10
Xiaomi Poco M3
243478
Samsung Galaxy A51
268760
CPU8695383857
GPU3496045166
Memory6013663828
UX6142975909
NanoReview Score243478268760
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco M3
372
Samsung Galaxy A51
812
Max Surface Temp.39.9 °C42.2 °C
Stability99 %95 %
Graphics Test2 fps4 fps
Graphics Score372812
PCMark 3.0
PCMark 3.0
Xiaomi Poco M3
6158
Samsung Galaxy A51
n/a
Writing score6713n/a
Web score5503n/a
Video editing3632n/a
Data manipulation5147n/a
NanoReview Score6158n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 64 GB
- 128 GB
Storage TypeUFS 2.1UFS 2.0
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 11) Android 10 (Upgradeable to Android 13)
OS Size 20.5 GB 23 GB
UI Skin MIUI 12.5 Enhanced One UI 5.1

Battery

Volume 6000 mAh 4000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (25% in 30 min) Yes (40% in 35 min)
Full Charge Time 3:00 h 1:50 h
Battery Life Test
Battery Life
Xiaomi Poco M3
29:39
Samsung Galaxy A51
17:53
Web Browsing11:51 h07:15 h
Video Playback15:49 h11:25 h
Games06:39 h04:49 h
Standby Mode155 h81 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 4000x3000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) 960 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 48 MP
Macro: 2 MP
Depth: 2 MP
Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP48 MP
Aperturef/1.8f/2.0
Focal lengthn/a26 mm
SensorSamsung S5KGM1Sony IMX582
Sensor size1/2.01/2
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels 6560x4928 pixels
Aperture f/2.1 f/2.2
Focal length n/a 26 mm
Sensor CMOS Samsung S5KGD1
Sensor size 1/4.0 1/2.8
Pixel size 1.12 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) 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
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, 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
- Galileo
NFC* No Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA B1/2/4/5/8UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)LTE (B850/B900/B1800/B2100/B2600)
LTE category1212
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco M3
85.1 dB
Samsung Galaxy A51
81.7 dB

Other

Class Budget Mid-range
Announced November, 2020 yr December, 2019 yr
Release Date December, 2020 yr December, 2019 yr
Launch Price ($) 150 399
Sensors - Proximity Sensor
- 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

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below