Home Phone comparison Samsung Galaxy M31 and Xiaomi Poco X8 Pro Max - Which is better?

Samsung Galaxy M31 vs Xiaomi Poco X8 Pro Max

46 out 100
Samsung Galaxy M31
VS
88 out 100
Xiaomi Poco X8 Pro Max
Samsung Galaxy M31
Xiaomi Poco X8 Pro Max

Compared 2 smartphones : Samsung Galaxy M31 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Xiaomi Poco X8 Pro Max, Manufactured in March, 2026with chipsetMediaTek Dimensity 9500s. 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 M31
  • Lighter design: 191g vs 218g
Reasons to choose Xiaomi Poco X8 Pro Max
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 8500mAh vs 6000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy M31 and Xiaomi Poco X8 Pro Max
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:
Samsung Galaxy M31
vs
Xiaomi Poco X8 Pro Max

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.4 in 6.83 in
Resolution 1080x2340 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 403 ppi 447 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (30-120 Hz)
Max brightness 600 nits 2000 nits
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 84.1 % 90.2 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy M31
614 nits
Xiaomi Poco X8 Pro Max
3552 nits
sRGB gamut142 %n/a
PWM (Flicker)208 Hzn/a
Response time8.5 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy M31]

Design & Build

Design and ergonomics comparison
Height 159.2 mm (6.27 in) 162.9 mm (6.41 in)
Width 75.1 mm (2.96 in) 77.9 mm (3.07 in)
Thickness 8.9 mm (0.35 in) 8.2 mm (0.32 in)
Weight 191 g (6.74 oz) 218 g (7.69 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Blue
- Red		 - White
- Black
- Blue
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Samsung Galaxy M31
84.1 %
Xiaomi Poco X8 Pro Max
90.2 %

Performance

Testing Samsung Galaxy M31 and Xiaomi Poco X8 Pro Max In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 MediaTek Dimensity 9500s
Max Frequency 2300 MHz 3300 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor Yes MediaTek NPU
Graphics Mali-G72 MP3 Mali-G925 Immortalis MP12
GPU Cores 54 1536
GPU Frequency 850 MHz 1612 MHz
FLOPS 113.8 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M31
505
Xiaomi Poco X8 Pro Max
2733
Geekbench 6 (Multi-Core)
Samsung Galaxy M31
1547
Xiaomi Poco X8 Pro Max
8690
Geekbench 6 (Single-Core)5052733
Geekbench 6 (Multi-Core)15478690
Geekbench Compute (GPU)n/a21093
Sources: Geekbench v6 [Xiaomi Poco X8 Pro Max]
AnTuTu 10
AnTuTu 10
Samsung Galaxy M31
257150
Xiaomi Poco X8 Pro Max
2830028
CPU73640832309
GPU45350966427
Memory62516454998
UX75644576294
NanoReview Score2571502830028
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M31
820
Xiaomi Poco X8 Pro Max
n/a
Max Surface Temp.45.2 °Cn/a
Stability74 %n/a
Graphics Test4 fpsn/a
Graphics Score820n/a
Sources: 3DMark [Samsung Galaxy M31]

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz n/a
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 12) Android 16
OS Size 15 GB n/a
UI Skin One UI 4.1 HyperOS 3.0

Battery

Volume 6000 mAh 8500 mAh
Max Charging Power 15 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Samsung Adaptive Fast Charge (45% in 60 min) Yes (65% in 30 min)
Full Charge Time 2:25 h 0:52 h
Battery Life Test
Battery Life
Samsung Galaxy M31
24:27
Xiaomi Poco X8 Pro Max
41:26
Web Browsing10:13 h18:13 h
Video Playback14:16 h30:00 h
Games05:44 h11:54 h
Standby Mode117 h157 h

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6920 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (1080p)
Wide-angle lens 123 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.5
Focal length26 mm26 mm
SensorISOCELL Bright GW1Omnivision Light Fusion 600
Sensor size1/1.721/1.95 (0.51)
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length12 mm15 mm
Sensorn/aSmartSens SC821CS
Sensor size1/4.01/4.0 (0.25)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 20 MP
Photo resolution 6528x4896 pixels 5184x3888 pixels
Aperture f/2.0 f/2.2
Focal length 26 mm 25 mm
Sensor Sony IMX616 OmniVision OV20B
Sensor size 1/2.8 1/4.0 (0.25)
Pixel size 0.8 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 6.0
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
- NAVIC
NFC* Varies by region Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM B3/B5/B8
3G BandsHSDPA 850 / 900 / 1900 / 2100WCDMA 1/2/4/5/8
LTE Bands*LTE (B1/B3/B5/B8/B20/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M31
81.7 dB
Xiaomi Poco X8 Pro Max
n/a

Other

Class Mid-range Mid-range
Announced February, 2020 yr March, 2026 yr
Release Date March, 2020 yr March, 2026 yr
Launch Price ($) 220 n/a
MSRP ($) n/a 429
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco X8 Pro Max the clear winner in this comparison.

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