Samsung Galaxy A51 5G vs Xiaomi Poco M8 5G

Compared 2 smartphones : Samsung Galaxy A51 5G Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 980, vs Xiaomi Poco M8 5G, Manufactured in January, 2026 with chipsetQualcomm Snapdragon 6 Gen 3. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A51 5G
  • Higher pixel density: 405ppi
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco M8 5G
  • Larger display: 6.77in
  • Higher refresh rate: 120Hz
  • Lighter design: 178g vs 187g
  • Higher battery capacity: 5520mAh vs 4500mAh
  • Newer Bluetooth version: 5.1 vs 5
  • Infrared port

Versions

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

Review

Key Specs Samsung Galaxy A51 5G and Xiaomi Poco M8 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.
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 Super AMOLED AMOLED
Size 6.5 in 6.77 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 405 ppi 388 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 400 nits 800 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 87.3 % 89.7 %
Features Always-On Display DCI-P3
Display test
Peak brightness (auto)
Samsung Galaxy A51 5G
639 nits
Xiaomi Poco M8 5G
n/a

Design & Build

Design and ergonomics comparison
Height 158.9 mm (6.26 in) 164 mm (6.46 in)
Width 73.6 mm (2.9 in) 75.4 mm (2.97 in)
Thickness 8.7 mm (0.34 in) 7.4 mm (0.29 in)
Weight 187 g (6.6 oz) 178 g (6.28 oz)
Water resistance No IP65
Back panel Plastic Plastic
Frame Metal Plastic
Colors - White
- Black
- Pink
- Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A51 5G
87.3 %
Xiaomi Poco M8 5G
89.7 %

Performance

Testing Samsung Galaxy A51 5G and Xiaomi Poco M8 5G In benchmarks
Processor
Chipset Samsung Exynos 980 Qualcomm Snapdragon 6 Gen 3
Max Frequency 2200 MHz 2400 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2.2 (Cortex-A77)
- 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)
Process Samsung Samsung
Transistor Size 8 nm 4 nm
Neural Processor Yes Hexagon
Graphics Mali-G76 MP5 Adreno 710
GPU Cores 180 256
GPU Frequency 700 MHz 1010 MHz
FLOPS 262.1 GFLOPS 517.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51 5G
863
Xiaomi Poco M8 5G
1020
Geekbench 6 (Multi-Core)
Samsung Galaxy A51 5G
2112
Xiaomi Poco M8 5G
2853
Geekbench 6 (Single-Core)8631020
Geekbench 6 (Multi-Core)21122853
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51 5G
406776
Xiaomi Poco M8 5G
638701
CPU130998197012
GPU85094145492
Memory86339145821
UX104345150376
NanoReview Score406776638701

Memory

RAM
RAM Size 6 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.0UFS 2.2
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) Android 15
OS Size 22.7 GB n/a
UI Skin One UI 5.0 HyperOS 2.0

Battery

Volume 4500 mAh 5520 mAh
Max Charging Power 15 W 45 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (40% in 40 min) Yes
Full Charge Time 2:05 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A51 5G
18:19
Xiaomi Poco M8 5G
n/a
Web Browsing07:25 hn/a
Video Playback12:09 hn/a
Games05:11 hn/a
Standby Mode81 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mmn/a
SensorSamsung S5KGM2Omnivision OV50D40 Light Hunter 400
Sensor size1/21/2.88 (0.35)
Pixel size0.8 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy A51 5G
90
Xiaomi Poco M8 5G
n/a
Video quality
Samsung Galaxy A51 5G
86
Xiaomi Poco M8 5G
n/a
Overall camera score
Samsung Galaxy A51 5G
87
Xiaomi Poco M8 5G
n/a

Front camera

Matrix 32 MP 20 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Samsung S5KGD1 n/a
Sensor size 1/2.8 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy A51 5G
100
Xiaomi Poco M8 5G
n/a
Video quality
Samsung Galaxy A51 5G
119
Xiaomi Poco M8 5G
n/a

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 5.1
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
- QZSS
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600n/a
3G BandsUMTS 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)n/a
LTE category12n/a
5G SupportYesYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes Yes
Dolby Atmos Yes n/a

Other

Class Mid-range Mid-range
Announced April, 2020 yr January, 2026 yr
Release Date June, 2020 yr January, 2026 yr
Launch Price ($) 499 n/a
MSRP ($) n/a 229
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint 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 Xiaomi Poco M8 5G the clear winner in this comparison.

Survey

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

User comments

Share your opinion or ask questions below