OPPO Find X8 Ultra vs Xiaomi 15 Ultra
The OPPO Find X8 Ultra (2025) runs on the Snapdragon 8 Elite, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $999 and $999. By overall MobileRank rating, the OPPO Find X8 Ultra leads — 86/100 vs 85/100 (a 1-point difference). Key differences: the OPPO Find X8 Ultra has the bigger battery (6100 mAh vs 6000); the OPPO Find X8 Ultra is faster in AnTuTu (3,183,101 vs 3,030,376); per DXOMark lab testing, the OPPO Find X8 Ultra has the stronger camera (168 vs 159).
Profile comparison
Category scores
OPPO Find X8 Ultra
Xiaomi 15 Ultra
What makes OPPO Find X8 Ultra better?
- Higher AnTuTu: 3183101 vs 3030376
- Bigger battery: 6100 vs 6000 mAh
- Better camera (94/100 vs 87/100)
- Better portability (35/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Better Geekbench Single: 3050 vs 3013
- Better Geekbench Multi: 10200 vs 9287
- Faster charging: 90W vs 80W
- Lighter: 225g vs 226g
- Higher performance (92/100 vs 91/100)
- Longer battery life (80/100 vs 78/100)
- Better display (90/100 vs 89/100)
Comparison verdict
Comparing the OPPO Find X8 Ultra vs the Xiaomi 15 Ultra, the OPPO Find X8 Ultra scores 1 points higher (86/100 vs 85/100). Value score: OPPO Find X8 Ultra — 82/100, Xiaomi 15 Ultra — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (92/100 vs 91/100). In the "display" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (90/100 vs 89/100). In the "camera" category, the OPPO Find X8 Ultra is a bit better (94/100 vs 87/100). In the "battery" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (80/100 vs 78/100). In the "portability" category, the OPPO Find X8 Ultra is a bit better (35/100 vs 29/100).
Specs comparison
| Specification | OPPO Find X8 Ultra | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3183101 | 3030376 | |
| Geekbench Single | 3013 | 3050 | |
| Geekbench Multi | 9287 | 10200 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 3168x1440 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6100 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 168 | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 2500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.1×76.8×8.8 mm | 161.3×75.3×9.4 mm | |
| Weight | 226 g | 225 g | |
| Launch price | $999 | $999 |
Camera comparison
OPPO Find X8 Ultra
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OPPO Find X8 Ultra
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
OPPO Find X8 Ultra
- 6100 mAh
- NanoReview test: web browsing 13:45 hrs, total 28:25 hrs
- Wired: 80W
- Wireless: 50W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared OPPO Find X8 Ultra and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
OPPO Find X8 Ultra leads Xiaomi 15 Ultra by 5.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $0. Same launch price.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the OPPO Find X8 Ultra is a bit better (94/100 vs 87/100).
battery
In the "battery" category, the Xiaomi 15 Ultra and the OPPO Find X8 Ultra are nearly equal (80/100 vs 78/100).
portability
In the "portability" category, the OPPO Find X8 Ultra is a bit better (35/100 vs 29/100).
Frequently asked questions
Which is better: the OPPO Find X8 Ultra or the Xiaomi 15 Ultra?
The OPPO Find X8 Ultra edges out the Xiaomi 15 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the OPPO Find X8 Ultra and the Xiaomi 15 Ultra?
The OPPO Find X8 Ultra has a MobileRank rating of 86/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the OPPO Find X8 Ultra or the Xiaomi 15 Ultra?
The OPPO Find X8 Ultra leads on camera score (94/100 vs 87/100).
Should you choose the OPPO Find X8 Ultra over the Xiaomi 15 Ultra?
The OPPO Find X8 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.