Home Phone comparison Itel itel S25 Ultra and OnePlus Ace 6 - Which is better?

Itel itel S25 Ultra vs OnePlus Ace 6

56 out 100
Itel itel S25 Ultra
VS
89 out 100
OnePlus Ace 6
Itel itel S25 Ultra
OnePlus Ace 6

Compared 2 smartphones : Itel itel S25 Ultra Manufactured in November, 2024, with display 6.78 with chipsetUnisoc T620, vs OnePlus Ace 6, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. 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 Itel itel S25 Ultra
  • Lighter design: 163g vs 213g
  • Includes charger
Reasons to choose OnePlus Ace 6
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7800mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 8/512 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Itel itel S25 Ultra and OnePlus Ace 6
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Itel itel S25 Ultra
vs
OnePlus Ace 6

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.83 in
Resolution 1080x2436 pixels 1272x2800 pixels
Aspect ratio 20.5:9 19.5:9
Pixel density 393 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1400 nits 800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 89.1 % 91 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 163.4 mm (6.43 in)
Width 74.6 mm (2.94 in) 77 mm (3.03 in)
Thickness 6.9 mm (0.27 in) 8.3 mm (0.33 in)
Weight 163 g (5.75 oz) 213 g (7.51 oz)
Water resistance IP64 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gray
- Purple		 - White
- Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Itel itel S25 Ultra
89.1 %
OnePlus Ace 6
91 %

Performance

Testing Itel itel S25 Ultra and OnePlus Ace 6 In benchmarks
Processor
Chipset Unisoc T620 Qualcomm Snapdragon 8 Elite
Max Frequency 2200 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2.2 (Cortex-A75)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor No Hexagon
Graphics Mali-G57 MP1 Adreno 830
GPU Cores 32 1536
GPU Frequency 850 MHz 1100 MHz
FLOPS 54.4 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Itel itel S25 Ultra
497
OnePlus Ace 6
3160
Geekbench 6 (Multi-Core)
Itel itel S25 Ultra
1541
OnePlus Ace 6
9736
Geekbench 6 (Single-Core)4973160
Geekbench 6 (Multi-Core)15419736
Geekbench Compute (GPU)599n/a
Sources: Geekbench v6 [Itel itel S25 Ultra], [OnePlus Ace 6]
AnTuTu 10
AnTuTu 10
Itel itel S25 Ultra
332915
OnePlus Ace 6
3114604
CPU101047856857
GPU302811148661
Memory116778455327
UX84809653759
NanoReview Score3329153114604

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
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 ColorOS 16

Battery

Volume 5000 mAh 7800 mAh
Max Charging Power 18 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Yes (58% in 20 min)
Full Charge Time n/a 0:44 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 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens n/a 112 °
Lenses count Standard: 50 MP
Macro
Depth		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.8
Focal lengthn/a24 mm
Sensorn/aSony LYTIA-T808
Sensor sizen/a1/1.43
Pixel sizen/a1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Sensorn/aOmnivision OV08D10
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 32 MP 16 MP
Photo resolution n/a 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 22 mm 23 mm
Sensor n/a Sony IMX480
Sensor size n/a 1/3.09
Pixel size n/a 1 μm
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 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 5.4
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
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportNoYes

Sound

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

Other

Class Budget Flagship
Announced November, 2024 yr October, 2025 yr
Release Date November, 2024 yr October, 2025 yr
Launch Price ($) 140 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 18 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 6 the clear winner in this comparison.

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