Home Phone comparison OnePlus 15 and Xiaomi Poco X8 Power - Which is better?

OnePlus 15 vs Xiaomi Poco X8 Power

91 out 100
OnePlus 15
VS
74 out 100
Xiaomi Poco X8 Power
OnePlus 15
Xiaomi Poco X8 Power

Compared 2 smartphones : OnePlus 15 Manufactured in October, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Xiaomi Poco X8 Power, Manufactured in September, 2026 with chipsetQualcomm Snapdragon 6 Gen 5. 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 OnePlus 15
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Lighter design: 211g vs 229g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
Reasons to choose Xiaomi Poco X8 Power
  • Larger display: 6.83in
  • Higher battery capacity: 10000mAh 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		 - 8/128 GB
- 8/256 GB

Review

Key Specs OnePlus 15 and Xiaomi Poco X8 Power
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:
OnePlus 15
vs
Xiaomi Poco X8 Power

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
Max brightness 1800 nits 1060 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 91.2 % 89.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- DC dimming

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 163.4 mm (6.43 in)
Width 76.7 mm (3.02 in) 78.3 mm (3.08 in)
Thickness 8.1 mm (0.32 in) 8.6 mm (0.34 in)
Weight 211 g (7.44 oz) 229 g (8.08 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Gold
- Purple		 - Black
- Yellow
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 15
91.2 %
Xiaomi Poco X8 Power
89.5 %

Performance

Testing OnePlus 15 and Xiaomi Poco X8 Power In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 6 Gen 5
Max Frequency 4600 MHz 2600 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture 6/3.63 () - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 840 n/a
GPU Cores 1536 n/a
GPU Frequency 1200 MHz n/a
FLOPS 3686.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 15
3726
Xiaomi Poco X8 Power
1083
Geekbench 6 (Multi-Core)
OnePlus 15
11199
Xiaomi Poco X8 Power
3469
Geekbench 6 (Single-Core)37261083
Geekbench 6 (Multi-Core)111993469
Geekbench Compute (GPU)27829n/a
Sources: Geekbench v6 [OnePlus 15], [Xiaomi Poco X8 Power]
AnTuTu 10
AnTuTu 10
OnePlus 15
3434737
Xiaomi Poco X8 Power
1010104
CPU968935346157
GPU1235307215763
Memory489823196548
UX740672251636
NanoReview Score34347371010104

Memory

RAM
RAM Size 12 GB 8 GB
Memory Type LPDDR5X n/a
Memory Frequency 5300 MHz n/a
Channels 4 n/a
Storage
Storage Capacity256 GB128 GB
Storage TypeUFS 4.1UFS 2.2
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OxygenOS 16 HyperOS 3

Battery

Volume 7300 mAh 10000 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 (57% in 30 min)
Full Charge Time 0:43 h 1:01 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8160x6120 pixels
Zoom Optical, 3.5x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Wide-angle lens 116 ° 120 °
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-T808Samsung S5KJN5
Sensor size1/1.561/2.76 (0.36)
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 S5KJN5n/a
Sensor size1/2.761/4.0 (0.25)
Pixel size0.64 μm1.12 μm
StabilizationDigitalNo

Front camera

Matrix 32 MP 32 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.4 f/2.2
Focal length 21 mm n/a
Sensor Sony IMX615 CMOS
Sensor size 1/2.74 n/a
Pixel size 0.8 μm 0.61 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- 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 No
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
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 September, 2026 yr
Release Date October, 2025 yr September, 2026 yr
MSRP ($) 899 380
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

After analyzing the data, we consider OnePlus 15 the clear winner in this comparison.

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