Oppo Find X8 UltravsXiaomi 15 Ultra
We compare these two popular phones to help you decide which one fits your needs and budget better.
Oppo Find X8 Ultra
#4
Winner
+21
Processor:Qualcomm Snapdragon 8 Elite
RAM:12 GBGB
Storage:256 GBGB
Quick Stats
The Oppo Find X8 Ultra offers exceptional battery life with rapid charging and multi-day endurance.
The Oppo Find X8 Ultra's display offers 4500-nit brightness, 120Hz refresh rate, and 10-bit color for vivid, fluid visuals.
The Oppo Find X8 Ultra's quad-camera system offers 30x AI zoom, 4K 120fps video, and Hasselblad image processing for professional-grade photography.
The Oppo Find X8 Ultra’s Snapdragon 8 Elite, 16GB RAM, and UFS 4.0 deliver elite performance with a 2.75M Antutu score.
Xiaomi 15 Ultra
#7
+14
Processor:Qualcomm Snapdragon 8 Elite
RAM:16 GBGB
Storage:512 GBGB
Quick Stats
Xiaomi 15 Ultra ensures all-day power with ultra-fast charging and a durable battery for uninterrupted performance.
Xiaomi 15 Ultra's display offers 120Hz adaptive refresh, 3200 cd/m² brightness, and HDR10+/Dolby Vision for vivid, immersive visuals.
Xiaomi 15 Ultra's quad-camera system delivers 200MP telephoto, 8K video, and AI-enhanced photography for professional-grade results.
Xiaomi 15 Ultra's Snapdragon 8 Gen 3, 16GB RAM, and HyperOS deliver flagship-tier performance with seamless multitasking and AI optimization.
Specifications Comparison
Specification
Oppo Oppo Find X8 Ultra
Xiaomi Xiaomi 15 Ultra
Model
Qualcomm Snapdragon 8 Elite
Qualcomm Snapdragon 8 Elite
CPU
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
Type
Octa-Core
Octa-Core
Nanometer
3 nm
3 nm
Frequency
4,3 GHz
4,3 GHz
64 Bits
Yes
Yes
GPU
Adreno 830
Adreno 830
RAM
12 GB
16 GB
Type
RAM LPDDR5X
RAM LPDDR5X
Capacity
256 GB
512 GB
Type
UFS Storage 4.0
UFS Storage 4.1
SD slot
No
No
Fingerprint security
Yes, in screen
Yes, in screen
Fingerprint sensor
Yes
Yes
Proximity sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
N/A
Yes
Gyroscope sensor
Yes
Yes
Barometer sensor
N/A
Yes
Gravity sensor
Yes
N/A
RGB sensor
Yes
Yes
Hall sensor
Yes
N/A
Geomagnetic sensor
Yes
N/A
Audio
Dolby Atmos, Stereo Speakers
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones
Antutu Score
2750000
2746580
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 98% of devices
Overall performance better than 98% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
N/A
N/A
Note: Highlighted specifications show differences between the two devices.
Rankings
Connectivity
Oppo Find X8 Ultra
#656
Winner
Xiaomi 15 Ultra
#698
Design
Oppo Find X8 Ultra
#152
Winner
Xiaomi 15 Ultra
#196
Display
Oppo Find X8 Ultra
#395
Xiaomi 15 Ultra
#381
Winner
Performance
Oppo Find X8 Ultra
#30
Winner
Xiaomi 15 Ultra
#45
Battery
Oppo Find X8 Ultra
#238
Winner
Xiaomi 15 Ultra
#293
Camera
Oppo Find X8 Ultra
#27
Winner
Xiaomi 15 Ultra
#31
| Metric | Oppo Find X8 Ultra | Xiaomi 15 Ultra |
|---|---|---|
| Connectivity | #656 Winner | #698 |
| Design | #152 Winner | #196 |
| Display | #395 | #381 Winner |
| Performance | #30 Winner | #45 |
| Battery | #238 Winner | #293 |
| Camera | #27 Winner | #31 |
Note: Lower rank number indicates a better position in category.
Key Differences
No significant specification differences found between these devices.
Scores by Category
Pros and Cons
Oppo Find X8 Ultra
Strengths
Elite Snapdragon 8 Elite processor with 3nm efficiency for blazing-fast performance.
4500-nit peak brightness AMOLED display with 120Hz variable refresh rate and 10-bit color depth.
6100 mAh battery with 100W fast charging and 50W wireless charging for all-day endurance.
Advanced quad-camera system with 50MP sensors, 30x AI zoom, and Hasselblad X2D image processing.
Premium build with IP68 water resistance, Gorilla Glass Victus 2, and 90% usable surface area.
Supports 4K 120fps video recording, OIS on all lenses, and UFS 4.0 storage for rapid data access.
Weaknesses
China-exclusive availability limits global accessibility.
No 3.5mm headphone jack for wired audio connectivity.
High-end 16GB RAM + 1TB variant may be prohibitively expensive.
Front camera’s f/2.4 aperture may struggle in low-light scenarios.
Ultrawide and macro lenses share a single sensor, potentially affecting specialized performance.
Xiaomi 15 Ultra
Strengths
Premium titanium alloy and reinforced glass build with IP68 water/dust resistance for durability
90W fast charging and 80W wireless charging for ultra-rapid power replenishment
50MP quad-camera system with 200MP telephoto, 8K video, and AI-enhanced photography
6.7" 120Hz AMOLED display with 3200 cd/m² brightness, HDR10+, and Dolby Vision
Snapdragon 8 Gen 3, 16GB RAM, and UFS 4.0 storage for flagship-tier performance
Weaknesses
227g weight may feel heavy for some users
Front camera lacks autofocus, limiting portrait mode flexibility
Non-removable battery restricts DIY replacement options
Satellite communication feature limited to China-market version
Read Full Reviews
Oppo Find X8 Ultra
Oppo Find X8 Ultra: A flagship smartphone with a sleek design, advanced camera system, and powerful performance. Experience cutting-edge tech in a premium device.
Xiaomi 15 Ultra
Xiaomi 15 Ultra: Sleek, premium design meets immersive AMOLED display and quad-camera system for cinematic photography. Power-packed battery with ultra-fast charging and cutting-edge performance.
Need help choosing?
Read our detailed reviews to understand which device is better for your specific needs and budget.
Compare other phones
Explore comparisons between any other phones
Compare phones
VS
VS
Choose two different items to see a detailed comparison of their specifications, performance, and features