OnePlus 15s vs Xiaomi 18 Pro Max
The OnePlus 15s (2026) 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 $700 and $986. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 83/100 (a 9-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 7500); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 3,950,082); the OnePlus 15s is noticeably lighter (195g vs 235g).
Profile comparison
Category scores
OnePlus 15s
Xiaomi 18 Pro Max
What makes OnePlus 15s better?
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 235g
- Cheaper at launch: $700 vs $986
- Better display (95/100 vs 82/100)
- Better portability (64/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 3950082
- Better Geekbench Single: 4327 vs 3639
- Better Geekbench Multi: 12873 vs 11047
- Bigger battery: 8500 vs 7500 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 98/100)
- Better camera (100/100 vs 53/100)
- Longer battery life (92/100 vs 89/100)
Comparison verdict
Comparing the OnePlus 15s vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 9 points higher (92/100 vs 83/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 53/100). Value score: OnePlus 15s — 80/100, 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 15s are nearly equal (100/100 vs 98/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus 15s (100/100 vs 53/100). In the "battery" category, the Xiaomi 18 Pro Max and the OnePlus 15s are nearly equal (92/100 vs 89/100). In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi 18 Pro Max (64/100 vs 33/100).
Specs comparison
| Specification | OnePlus 15s | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 3950082 | 5001234 | |
| Geekbench Single | 3639 | 4327 | |
| Geekbench Multi | 11047 | 12873 | |
| Display | 6.3" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 2640x1216 | 1208x2624 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 8500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | — | 4000 nits | |
| NFC | — | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 163.4×77.6×8.4 mm | |
| Weight | 195 g | 235 g | |
| Launch price | $700 | $986 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus 15s and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads OnePlus 15s by 21.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $286. OnePlus 15s was $286 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max and the OnePlus 15s are nearly equal (100/100 vs 98/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus 15s (100/100 vs 53/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max and the OnePlus 15s are nearly equal (92/100 vs 89/100).
portability
In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi 18 Pro Max (64/100 vs 33/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max edges out the OnePlus 15s by just 9 points — the two devices are very close in overall level.
What is the rating of the OnePlus 15s and the Xiaomi 18 Pro Max?
The OnePlus 15s has a MobileRank rating of 83/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the OnePlus 15s or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 53/100).
Should you choose the OnePlus 15s over the Xiaomi 18 Pro Max?
The OnePlus 15s 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.