Home Phone comparison Xiaomi Poco X8 Pro and OnePlus Ace 6 Ultra - Which is better?

Xiaomi Poco X8 Pro vs OnePlus Ace 6 Ultra

82 out 100
Xiaomi Poco X8 Pro
VS
89 out 100
OnePlus Ace 6 Ultra
Xiaomi Poco X8 Pro
OnePlus Ace 6 Ultra

Compared 2 smartphones : Xiaomi Poco X8 Pro Manufactured in March, 2026, with display 6.59 with chipsetMediaTek Dimensity 8500 Ultra, vs OnePlus Ace 6 Ultra, Manufactured in April, 2026 with chipsetMediaTek Dimensity 9500. 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 Xiaomi Poco X8 Pro
  • Higher pixel density: 460ppi
  • Lighter design: 201.5g vs 217g
  • Supports Dolby Atmos
Reasons to choose OnePlus Ace 6 Ultra
  • Larger display: 6.78in
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8600mAh vs 6500mAh

Versions

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

Review

Key Specs Xiaomi Poco X8 Pro and OnePlus Ace 6 Ultra
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
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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:
Xiaomi Poco X8 Pro
vs
OnePlus Ace 6 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.59 in 6.78 in
Resolution 1268x2756 pixels 1272x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 460 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (30-120 Hz) Yes
Max brightness 2000 nits 800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 300 Hz
Screen-to-body ratio 90 % 89.7 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 157.53 mm (6.2 in) 162.5 mm (6.4 in)
Width 75.19 mm (2.96 in) 77.5 mm (3.05 in)
Thickness 8.38 mm (0.33 in) 8.5 mm (0.33 in)
Weight 201.5 g (7.11 oz) 217 g (7.65 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame Metal Metal
Colors - White
- Black
- Green		 - Black
- Gray
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X8 Pro
90 %
OnePlus Ace 6 Ultra
89.7 %

Performance

Testing Xiaomi Poco X8 Pro and OnePlus Ace 6 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 8500 Ultra MediaTek Dimensity 9500
Max Frequency 3400 MHz 4210 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2.2 (Cortex-A725)
- 3/3.2 (Cortex-A725)
- 1/3.4 (Cortex-A725)		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor MediaTek NPU 880 MediaTek NPU 990
Graphics Mali-G720 MP8 n/a
GPU Cores 1024 n/a
GPU Frequency 1300 MHz n/a
FLOPS 2662.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X8 Pro
1751
OnePlus Ace 6 Ultra
3600
Geekbench 6 (Multi-Core)
Xiaomi Poco X8 Pro
6824
OnePlus Ace 6 Ultra
10616
Geekbench 6 (Single-Core)17513600
Geekbench 6 (Multi-Core)682410616
Geekbench Compute (GPU)14716n/a
Sources: Geekbench v6 [Xiaomi Poco X8 Pro], [OnePlus Ace 6 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X8 Pro
2082689
OnePlus Ace 6 Ultra
3429868
CPU5900341011104
GPU6642211311664
Memory362146383286
UX466288723814
NanoReview Score20826893429868

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5333 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin HyperOS 3.0 ColorOS 16

Battery

Volume 6500 mAh 8600 mAh
Max Charging Power 100 W 120 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes (68% in 30 min) Yes
Full Charge Time 0:48 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (1080p)
Wide-angle lens n/a 112 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.5f/1.8
Focal length26 mm23 mm
SensorSony IMX882n/a
Sensor size1/1.95 (0.51)1/1.55 (0.65)
Pixel size0.8 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mm16 mm
SensorSmartSens SC821CSn/a
Sensor size1/4.0 (0.25)n/a
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 16 MP
Photo resolution 5184x3888 pixels 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 25 mm 23 mm
Sensor OmniVision OV20B n/a
Sensor size 1/4.0 (0.25) 1/3 (0.33)
Pixel size 0.7 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 6.0 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
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66/B71/B484)n/a
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No

Other

Class Mid-range Flagship
Announced March, 2026 yr April, 2026 yr
Release Date March, 2026 yr April, 2026 yr
MSRP ($) 329 555
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 100 W Yes, 120 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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