OnePlus 15 vs Xiaomi 18 Pro Max
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $799 and $986. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 86/100 (a 6-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 6500); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 3,606,149); the OnePlus 15 is noticeably lighter (213g vs 235g).
Profile comparison
Category scores
OnePlus 15
Xiaomi 18 Pro Max
What makes OnePlus 15 better?
- Faster charging: 120W vs 100W
- Lighter: 213g vs 235g
- Cheaper at launch: $799 vs $986
- Better display (84/100 vs 82/100)
- Better portability (50/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 3606149
- Better Geekbench Single: 4327 vs 3639
- Better Geekbench Multi: 12873 vs 11047
- Bigger battery: 8500 vs 6500 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 97/100)
- Better camera (100/100 vs 78/100)
- Longer battery life (92/100 vs 89/100)
Comparison verdict
Comparing the OnePlus 15 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 6 points higher (92/100 vs 86/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 78/100). Value score: OnePlus 15 — 86/100, Xiaomi 18 Pro Max — 96/100; 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 Max and the OnePlus 15 are nearly equal (100/100 vs 97/100). In the "display" category, the OnePlus 15 and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus 15 (100/100 vs 78/100). In the "battery" category, the Xiaomi 18 Pro Max and the OnePlus 15 are nearly equal (92/100 vs 89/100). In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi 18 Pro Max (50/100 vs 33/100).
Specs comparison
| Specification | OnePlus 15 | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 3606149 | 5001234 | |
| Geekbench Single | 3639 | 4327 | |
| Geekbench Multi | 11047 | 12873 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1272x2772 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 8500 mAh | |
| Charging | 120W | 100W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 17 | |
| Brightness (peak) | 1800 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 161.4×76.7×8.1 mm | 163.4×77.6×8.4 mm | |
| Weight | 213 g | 235 g | |
| Launch price | $799 | $986 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus 15 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads OnePlus 15 by 27.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $187. OnePlus 15 was $187 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max and the OnePlus 15 are nearly equal (100/100 vs 97/100).
display
In the "display" category, the OnePlus 15 and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus 15 (100/100 vs 78/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max and the OnePlus 15 are nearly equal (92/100 vs 89/100).
portability
In the "portability" category, the OnePlus 15 notably outperforms the Xiaomi 18 Pro Max (50/100 vs 33/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max edges out the OnePlus 15 by just 6 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15 and the Xiaomi 18 Pro Max?
The OnePlus 15 has a MobileRank rating of 86/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the OnePlus 15 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 78/100).
Should you choose the OnePlus 15 over the Xiaomi 18 Pro Max?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 18 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.