Home Phone comparison Oppo Find X8 Ultra and Xiaomi 15S Pro - Which is better?

Oppo Find X8 Ultra vs Xiaomi 15S Pro

93 out 100
Oppo Find X8 Ultra
VS
95 out 100
Xiaomi 15S Pro
Oppo Find X8 Ultra
Xiaomi 15S Pro

Compared 2 smartphones : Oppo Find X8 Ultra Manufactured in April, 2025, with display 6.82 with chipsetQualcomm Snapdragon 8 Elite, vs Xiaomi 15S Pro, Manufactured in May, 2025 with chipsetXiaomi Xring O1. 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 Oppo Find X8 Ultra
  • Larger display: 6.82in
Reasons to choose Xiaomi 15S Pro
  • Higher pixel density: 521ppi
  • Lighter design: 216g vs 226g

Versions

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

Review

Key Specs Oppo Find X8 Ultra and Xiaomi 15S Pro
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:
Oppo Find X8 Ultra
vs
Xiaomi 15S Pro

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.73 in
Resolution 1440x3168 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 510 ppi 521 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 1600 nits n/a
HDR support Yes Dolby Vision Yes Dolby Vision
Screen-to-body ratio 89.7 % 90 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Find X8 Ultra
1168 nits
Xiaomi 15S Pro
n/a

Design & Build

Design and ergonomics comparison
Height 163.09 mm (6.42 in) 161.3 mm (6.35 in)
Width 76.8 mm (3.02 in) 75.3 mm (2.96 in)
Thickness 8.78 mm (0.35 in) 8.33 mm (0.33 in)
Weight 226 g (7.97 oz) 216 g (7.62 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Black
- Pink		 - Black
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Oppo Find X8 Ultra
89.7 %
Xiaomi 15S Pro
90 %

Performance

Testing Oppo Find X8 Ultra and Xiaomi 15S Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Xiaomi Xring O1
Max Frequency 4320 MHz 3900 MHz
CPU Cores 8 (2 + 6) 10 (2 + 4 + 2 + 2)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 2/1.8 (Cortex-A520)
- 2/1.9 (Cortex-A725)
- 4/3.4 (Cortex-A725)
- 2/3.9 (Cortex-X925)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Yes
Graphics Adreno 830 Mali-G925 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 1100 MHz n/a
FLOPS 3379.2 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Find X8 Ultra
3103
Xiaomi 15S Pro
3068
Geekbench 6 (Multi-Core)
Oppo Find X8 Ultra
9772
Xiaomi 15S Pro
9519
Geekbench 6 (Single-Core)31033068
Geekbench 6 (Multi-Core)97729519
Geekbench Compute (GPU)2519720919
Sources: Geekbench v6 [Oppo Find X8 Ultra], [Xiaomi 15S Pro]
AnTuTu 10
AnTuTu 10
Oppo Find X8 Ultra
2792179
Xiaomi 15S Pro
2650995
CPU628981653020
GPU12145651065137
Memory507469550763
UX441164382075
NanoReview Score27921792650995

Memory

RAM
RAM Size - 12 GB
- 16 GB		 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4800 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		512 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 15
UI Skin ColorOS 15 HyperOS 2.0

Battery

Volume 6100 mAh 6100 mAh
Max Charging Power 100 W 90 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (58% in 15 min) Yes
Full Charge Time 0:37 h n/a
Battery Life Test
Battery Life
Oppo Find X8 Ultra
25:30
Xiaomi 15S Pro
n/a
Web Browsing11:48 hn/a
Video Playback15:21 hn/a
Games06:29 hn/a
Standby Mode109 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 6x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 240 fps)
Slow Motion 480 fps (720p) 960 fps (1080p)
Wide-angle lens 120 ° 115 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.4
Focal length23 mm23 mm
SensorSony LYT-900Omnivision OVX9000
Sensor size1/01/1.31
Pixel size1.6 μm1.2 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.1f/2.5
Focal length70 mm120 mm
SensorSony LYT-700CSony IMX858
Sensor size1/1.561/2.51
Pixel size1 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.0f/2.2
Focal length15 mm14 mm
SensorSamsung S5KJN5Samsung S5KJN1
Sensor size1/2.751/2.76
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 6560x4928 pixels 6528x4896 pixels
Aperture f/2.4 f/2.0
Focal length 21 mm 22 mm
Sensor Sony IMX809 Omnivision OV32B
Sensor size 1/2.74 1/3
Pixel size 0.8 μm 0.7 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) 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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - 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
2G BandsGSM 850/900/1800MHzGSM B2 / B3 / B5 / B8
3G BandsWCDMA 1/4/5/8WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Flagship
Announced April, 2025 yr May, 2025 yr
Release Date April, 2025 yr May, 2025 yr
MSRP ($) n/a 1100
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 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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