Itel itel S25 Ultra vs Xiaomi Poco X8 Pro Max

Compared 2 smartphones : Itel itel S25 Ultra Manufactured in November, 2024, with display 6.78 with chipsetUnisoc T620, vs Xiaomi Poco X8 Pro Max, Manufactured in March, 2026with chipsetMediaTek Dimensity 9500s. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Itel itel S25 Ultra
  • Lighter design: 163g vs 218g
Reasons to choose Xiaomi Poco X8 Pro Max
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher battery capacity: 8500mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Itel itel S25 Ultra 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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.83 in
Resolution 1080x2436 pixels 1280x2772 pixels
Aspect ratio 20.5:9 19.5:9
Pixel density 393 ppi 447 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (30-120 Hz)
Max brightness 1400 nits 2000 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 89.1 % 90.2 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Itel itel S25 Ultra
n/a
Xiaomi Poco X8 Pro Max
3552 nits

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 162.9 mm (6.41 in)
Width 74.6 mm (2.94 in) 77.9 mm (3.07 in)
Thickness 6.9 mm (0.27 in) 8.2 mm (0.32 in)
Weight 163 g (5.75 oz) 218 g (7.69 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gray
- Purple
- White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Itel itel S25 Ultra
89.1 %
Xiaomi Poco X8 Pro Max
90.2 %

Performance

Testing Itel itel S25 Ultra and Xiaomi Poco X8 Pro Max In benchmarks
Processor
Chipset Unisoc T620 MediaTek Dimensity 9500s
Max Frequency 2200 MHz 3300 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2.2 (Cortex-A75)
- 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor No MediaTek NPU
Graphics Mali-G57 MP1 Mali-G925 Immortalis MP12
GPU Cores 32 1536
GPU Frequency 850 MHz 1612 MHz
FLOPS 54.4 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Itel itel S25 Ultra
497
Xiaomi Poco X8 Pro Max
2733
Geekbench 6 (Multi-Core)
Itel itel S25 Ultra
1541
Xiaomi Poco X8 Pro Max
8690
Geekbench 6 (Single-Core)4972733
Geekbench 6 (Multi-Core)15418690
Geekbench Compute (GPU)59921093
AnTuTu 10
AnTuTu 10
Itel itel S25 Ultra
332915
Xiaomi Poco X8 Pro Max
2830028
CPU101047832309
GPU30281966427
Memory116778454998
UX84809576294
NanoReview Score3329152830028

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
256 GB
Storage TypeUFS 2.2UFS 4.1
Memory Cardn/aNo

Software

OS Android 14 Android 16
UI Skin itel OS 14.5 HyperOS 3.0

Battery

Volume 5000 mAh 8500 mAh
Max Charging Power 18 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Yes (65% in 30 min)
Full Charge Time n/a 0:52 h
Battery Life Test
Battery Life
Itel itel S25 Ultra
n/a
Xiaomi Poco X8 Pro Max
41:26
Web Browsingn/a18:13 h
Video Playbackn/a30:00 h
Gamesn/a11:54 h
Standby Moden/a157 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (1080p)
Lenses count Standard: 50 MP
Macro
Depth
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.5
Focal lengthn/a26 mm
Sensorn/aOmnivision Light Fusion 600
Sensor sizen/a1/1.95 (0.51)
Pixel sizen/a0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensorn/aSmartSens SC821CS
Sensor sizen/a1/4.0 (0.25)
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 32 MP 20 MP
Photo resolution n/a 5184x3888 pixels
Aperture f/2.2 f/2.2
Focal length 22 mm 25 mm
Sensor n/a OmniVision OV20B
Sensor size n/a 1/4.0 (0.25)
Pixel size n/a 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 LE 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 No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM B3/B5/B8
3G Bandsn/aWCDMA 1/2/4/5/8
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)
5G SupportNoYes

Sound

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

Other

Class Budget Mid-range
Announced November, 2024 yr March, 2026 yr
Release Date November, 2024 yr March, 2026 yr
Launch Price ($) 140 n/a
MSRP ($) 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 Yes 18 W 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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