OnePlus 15 vs Xiaomi Poco X8 Pro Max

Compared 2 smartphones : OnePlus 15 Manufactured in October, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite Gen 5, 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 OnePlus 15
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Lighter design: 211g vs 218g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
Reasons to choose Xiaomi Poco X8 Pro Max
  • Larger display: 6.83in
  • Higher battery capacity: 8500mAh vs 7300mAh
  • Supports Dolby Atmos

Versions

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

Review

Key Specs OnePlus 15 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.
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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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.83 in
Resolution 1272x2772 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 450 ppi 447 ppi
Refresh rate 165 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (30-120 Hz)
Max brightness 1800 nits 2000 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 91.2 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 15
n/a
Xiaomi Poco X8 Pro Max
3552 nits

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 162.9 mm (6.41 in)
Width 76.7 mm (3.02 in) 77.9 mm (3.07 in)
Thickness 8.1 mm (0.32 in) 8.2 mm (0.32 in)
Weight 211 g (7.44 oz) 218 g (7.69 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gold
- Purple
- White
- Black
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 15
91.2 %
Xiaomi Poco X8 Pro Max
90.2 %

Performance

Testing OnePlus 15 and Xiaomi Poco X8 Pro Max In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 9500s
Max Frequency 4600 MHz 3300 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture 6/3.63 () - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon MediaTek NPU
Graphics Adreno 840 Mali-G925 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 1200 MHz 1612 MHz
FLOPS 3686.4 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 15
3726
Xiaomi Poco X8 Pro Max
2733
Geekbench 6 (Multi-Core)
OnePlus 15
11199
Xiaomi Poco X8 Pro Max
8690
Geekbench 6 (Single-Core)37262733
Geekbench 6 (Multi-Core)111998690
Geekbench Compute (GPU)2782921093
AnTuTu 10
AnTuTu 10
OnePlus 15
3434737
Xiaomi Poco X8 Pro Max
2830028
CPU968935832309
GPU1235307966427
Memory489823454998
UX740672576294
NanoReview Score34347372830028

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz n/a
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OxygenOS 16 HyperOS 3.0

Battery

Volume 7300 mAh 8500 mAh
Max Charging Power 120 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes (50% in 15 min) Yes (65% in 30 min)
Full Charge Time 0:43 h 0:52 h
Battery Life Test
Battery Life
OnePlus 15
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 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3.5x Digital
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (1080p)
Wide-angle lens 116 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.5
Focal length24 mm26 mm
SensorSony LYTIA-T808Omnivision Light Fusion 600
Sensor size1/1.561/1.95 (0.51)
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/2.8n/a
Focal length85 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.0f/2.2
Focal length15 mm15 mm
SensorSamsung S5KJN5SmartSens SC821CS
Sensor size1/2.761/4.0 (0.25)
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 20 MP
Photo resolution 6560x4928 pixels 5184x3888 pixels
Aperture f/2.4 f/2.2
Focal length 21 mm 25 mm
Sensor Sony IMX615 OmniVision OV20B
Sensor size 1/2.74 1/4.0 (0.25)
Pixel size 0.8 μm 0.7 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- 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 *YesYes
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 SupportYesYes

Sound

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

Other

Class Flagship Mid-range
Announced October, 2025 yr March, 2026 yr
Release Date October, 2025 yr March, 2026 yr
MSRP ($) 899 429
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 120 W Yes, 100 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.

Survey

Which smartphone would you pick?
2 (66.67%)
1 (33.33%)
Total Votes: 3

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