Poco X8 Pro Max vs Xiaomi 15 Ultra
The Poco X8 Pro Max (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $469 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 71/100 (a 14-point difference). Key differences: the Poco X8 Pro Max has the bigger battery (8500 mAh vs 6000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 2,604,459); the Poco X8 Pro Max is thinner (8.2mm vs 9.4mm).
Profile comparison
Category scores
Poco X8 Pro Max
Xiaomi 15 Ultra
What makes Poco X8 Pro Max better?
- Better Geekbench Single: 3293 vs 3050
- Better Geekbench Multi: 10243 vs 10200
- Bigger battery: 8500 vs 6000 mAh
- Faster charging: 100W vs 90W
- Lighter: 218g vs 225g
- Cheaper at launch: $469 vs $999
- Better portability (46/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 2604459
- Higher performance (92/100 vs 91/100)
- Better camera (87/100 vs 37/100)
- Longer battery life (80/100 vs 77/100)
- Better display (90/100 vs 84/100)
Comparison verdict
Comparing the Poco X8 Pro Max vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 14 points higher (85/100 vs 71/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 37/100). Value score: Poco X8 Pro Max — 66/100, 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 Poco X8 Pro Max are nearly equal (92/100 vs 91/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Poco X8 Pro Max (87/100 vs 37/100). In the "battery" category, the Xiaomi 15 Ultra and the Poco X8 Pro Max are nearly equal (80/100 vs 77/100). In the "portability" category, the Poco X8 Pro Max notably outperforms the Xiaomi 15 Ultra (46/100 vs 29/100).
Specs comparison
| Specification | Poco X8 Pro Max | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2604459 | 3030376 | |
| Geekbench Single | 3293 | 3050 | |
| Geekbench Multi | 10243 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2772x1280 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 8500 mAh | 6000 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 161.3×75.3×9.4 mm | |
| Weight | 218 g | 225 g | |
| Launch price | $469 | $999 |
Camera comparison
Poco X8 Pro Max
- Main: 50MP f/1.5
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Poco X8 Pro Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Poco X8 Pro Max
- 8500 mAh
- Wired: 100W
- No wireless charging
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 Poco X8 Pro Max and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Poco X8 Pro Max by 14.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $530. Poco X8 Pro Max was $530 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra and the Poco X8 Pro Max are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Poco X8 Pro Max (87/100 vs 37/100).
battery
In the "battery" category, the Xiaomi 15 Ultra and the Poco X8 Pro Max are nearly equal (80/100 vs 77/100).
portability
In the "portability" category, the Poco X8 Pro Max notably outperforms the Xiaomi 15 Ultra (46/100 vs 29/100).
Frequently asked questions
Which is better: the Poco X8 Pro Max or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Poco X8 Pro Max — the overall rating gap is 14 points.
What is the rating of the Poco X8 Pro Max and the Xiaomi 15 Ultra?
The Poco X8 Pro Max has a MobileRank rating of 71/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Poco X8 Pro Max or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 37/100).
Should you choose the Poco X8 Pro Max over the Xiaomi 15 Ultra?
The Poco X8 Pro Max is a better fit for gamers and power users, those who care about battery life. 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.