Xiaomi 15 Ultra vs Xiaomi 18 Pro
The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 18 Pro (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 6; launch prices were $999 and $845. By overall MobileRank rating, the Xiaomi 18 Pro leads — 92/100 vs 85/100 (a 7-point difference). Key differences: the Xiaomi 18 Pro has the bigger battery (7000 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro is faster in AnTuTu (4,888,150 vs 3,030,376); the Xiaomi 18 Pro is noticeably lighter (203g vs 225g).
Profile comparison
Category scores
Xiaomi 15 Ultra
Xiaomi 18 Pro
What makes Xiaomi 15 Ultra better?
- Better display (90/100 vs 82/100)
What makes Xiaomi 18 Pro better?
- Higher AnTuTu: 4888150 vs 3030376
- Better Geekbench Single: 4301 vs 3050
- Better Geekbench Multi: 12490 vs 10200
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 90W
- Better main camera: 200MP vs 50MP
- Lighter: 203g vs 225g
- Cheaper at launch: $845 vs $999
- Higher performance (100/100 vs 92/100)
- Better camera (100/100 vs 87/100)
- Longer battery life (87/100 vs 80/100)
- Better portability (52/100 vs 29/100)
Comparison verdict
Comparing the Xiaomi 15 Ultra vs the Xiaomi 18 Pro, the Xiaomi 18 Pro scores 7 points higher (92/100 vs 85/100). In the "camera" category, the Xiaomi 18 Pro leads (100/100 vs 87/100). Value score: Xiaomi 15 Ultra — 80/100, Xiaomi 18 Pro — 98/100; 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 18 Pro is a bit better (100/100 vs 92/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro is a bit better (100/100 vs 87/100). In the "battery" category, the Xiaomi 18 Pro is a bit better (87/100 vs 80/100). In the "portability" category, the Xiaomi 18 Pro notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
Specs comparison
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 6 | |
| AnTuTu | 3030376 | 4888150 | |
| Geekbench Single | 3050 | 4301 | |
| Geekbench Multi | 10200 | 12490 | |
| Display | 6.7" LTPO AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 3200x1440 | 1120x2436 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 90W | 100W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | 159 | — | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 15 / HyperOS 2 | Android 17 | |
| Brightness (peak) | 3200 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 161.3×75.3×9.4 mm | 151.8×72.0×8.5 mm | |
| Weight | 225 g | 203 g | |
| Launch price | $999 | $845 |
Camera comparison
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 18 Pro
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi 18 Pro
- 6.4" LTPO AMOLED
- Resolution: 1120x2436
- Refresh rate: 120 Hz
Battery and charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Xiaomi 18 Pro
- 7000 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Xiaomi 15 Ultra and Xiaomi 18 Pro, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro leads Xiaomi 15 Ultra by 38.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $154. Xiaomi 18 Pro was $154 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro is a bit better (100/100 vs 92/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro is a bit better (100/100 vs 87/100).
battery
In the "battery" category, the Xiaomi 18 Pro is a bit better (87/100 vs 80/100).
portability
In the "portability" category, the Xiaomi 18 Pro notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
Frequently asked questions
Which is better: the Xiaomi 15 Ultra or the Xiaomi 18 Pro?
The Xiaomi 18 Pro edges out the Xiaomi 15 Ultra by just 7 points — the two devices are very close in overall level.
What is the rating of the Xiaomi 15 Ultra and the Xiaomi 18 Pro?
The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the Xiaomi 18 Pro — 92/100.
Which has the better camera: the Xiaomi 15 Ultra or the Xiaomi 18 Pro?
The Xiaomi 18 Pro leads on camera score (100/100 vs 87/100).
Which is more powerful: the Xiaomi 15 Ultra or the Xiaomi 18 Pro?
The Xiaomi 18 Pro leads on performance (100/100 vs 92/100).
Should you choose the Xiaomi 15 Ultra over the Xiaomi 18 Pro?
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. The Xiaomi 18 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.