Xiaomi 15 UltravsOppo Find X8
We compare these two popular phones to help you decide which one fits your needs and budget better.
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.
Oppo Find X8
#2
Winner
+12
Processor:MediaTek Dimensity 9400
RAM:12 GBGB
Storage:256 GBGB
Quick Stats
Oppo Find X8’s 5630 mAh battery with 80W fast and 50W wireless charging ensures rapid power-ups and extended use.
Oppo Find X8’s 6.6-inch AMOLED display offers 4500 cd/m² brightness, 120 Hz refresh rate, and WQHD+ resolution with Gorilla Glass 7i protection.
Triple 50MP cameras with 3x optical zoom, AI enhancements, and 4K video capture deliver professional-grade results.
Flagship MediaTek Dimensity 9400 chipset with 12GB/16GB RAM and 2.88 million Antutu score ensures top-tier performance.
Specifications Comparison
Specification
Xiaomi Xiaomi 15 Ultra
Oppo Oppo Find X8
Model
Qualcomm Snapdragon 8 Elite
MediaTek Dimensity 9400
CPU
2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
1x3,62 GHz Cortex, X925 + 3x3,3 GHz Cortex, X4 + 4x2,4 GHz Cortex, A720
Type
Octa-Core
Octa-Core
Nanometer
3 nm
3 nm
Frequency
4,3 GHz
3,6 GHz
64 Bits
Yes
Yes
GPU
Adreno 830
Immortalis-G925 MC12 1,612 GHz
RAM
16 GB
12 GB
Type
RAM LPDDR5X
RAM LPDDR5X
Capacity
512 GB
256 GB
Type
UFS Storage 4.1
UFS Storage 4.0
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
Yes
Yes
Gyroscope sensor
Yes
Yes
Barometer sensor
Yes
N/A
Gravity sensor
N/A
Yes
RGB sensor
Yes
N/A
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 4 microphones
Dolby Atmos, Hi-Res Audio, Stereo Speakers
Antutu Score
2746580
2880558
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
Xiaomi 15 Ultra
#698
Oppo Find X8
#604
Winner
Design
Xiaomi 15 Ultra
#196
Oppo Find X8
#40
Winner
Display
Xiaomi 15 Ultra
#381
Oppo Find X8
#75
Winner
Performance
Xiaomi 15 Ultra
#45
Oppo Find X8
#15
Winner
Battery
Xiaomi 15 Ultra
#293
Oppo Find X8
#185
Winner
Camera
Xiaomi 15 Ultra
#31
Winner
Oppo Find X8
#59
| Metric | Xiaomi 15 Ultra | Oppo Find X8 |
|---|---|---|
| Connectivity | #698 | #604 Winner |
| Design | #196 | #40 Winner |
| Display | #381 | #75 Winner |
| Performance | #45 | #15 Winner |
| Battery | #293 | #185 Winner |
| Camera | #31 Winner | #59 |
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
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
Oppo Find X8
Strengths
Premium build with IP68 certification, aluminum alloy frame, and Gorilla Glass 7i for durability
Powerful 5630 mAh battery with 80W fast charging and 50W wireless charging for rapid power-ups
Vibrant 6.6-inch AMOLED display with 120 Hz refresh rate, 4500 cd/m² peak brightness, and HDR10+
Flagship MediaTek Dimensity 9400 chipset with 12GB/16GB RAM and 2.88 million Antutu score
Advanced triple-camera system with 3x optical zoom, AI scene detection, and 4K video recording
Weaknesses
Front camera lacks autofocus and struggles in low-light conditions
No support for >60FPS gaming compared to the Pro variant
Missing AI-centric features like AI Summary and AI Speak found in the Pro model
Slightly higher price point than competitors with similar specifications
No 3.5mm headphone jack, relying solely on USB-C and Bluetooth for audio
Read Full Reviews
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.
Oppo Find X8
Oppo Find X8 blends vibrant display, powerful performance, and advanced connectivity with sleek design and long-lasting battery for immersive experience.
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