OnePlus Ace 6T vs Xiaomi 18 Pro Max
The OnePlus Ace 6T (2025) runs on the Qualcomm Snapdragon 8 Gen 5, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $320 and $986. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 72/100 (a 20-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 8300); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 3,047,634); the OnePlus Ace 6T is noticeably lighter (211g vs 235g).
Profile comparison
Category scores
OnePlus Ace 6T
Xiaomi 18 Pro Max
What makes OnePlus Ace 6T better?
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 211g vs 235g
- Cheaper at launch: $320 vs $986
- Better display (94/100 vs 82/100)
- Better portability (51/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 3047634
- Better Geekbench Single: 4327 vs 2833
- Better Geekbench Multi: 12873 vs 9119
- Bigger battery: 8500 vs 8300 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 90/100)
- Better camera (100/100 vs 35/100)
- Longer battery life (92/100 vs 77/100)
Comparison verdict
Comparing the OnePlus Ace 6T vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 20 points higher (92/100 vs 72/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 90/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 35/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 77/100). Value score: OnePlus Ace 6T — 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 is a bit better (100/100 vs 90/100). In the "display" category, the OnePlus Ace 6T is a bit better (94/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 6T (100/100 vs 35/100). In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 6T (92/100 vs 77/100). In the "portability" category, the OnePlus Ace 6T notably outperforms the Xiaomi 18 Pro Max (51/100 vs 33/100).
Specs comparison
| Specification | OnePlus Ace 6T | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 5 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 3047634 | 5001234 | |
| Geekbench Single | 2833 | 4327 | |
| Geekbench Multi | 9119 | 12873 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1272x2800 | 1208x2624 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8300 mAh | 8500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | 3600 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.4×77.0×8.1 mm | 163.4×77.6×8.4 mm | |
| Weight | 211 g | 235 g | |
| Launch price | $320 | $986 |
Camera comparison
OnePlus Ace 6T
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OnePlus Ace 6T
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 165 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6T
- 8300 mAh
- Wired: 100W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus Ace 6T and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads OnePlus Ace 6T by 39.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $666. OnePlus Ace 6T was $666 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Pro Max is a bit better (100/100 vs 90/100).
display
In the "display" category, the OnePlus Ace 6T is a bit better (94/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 6T (100/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 6T (92/100 vs 77/100).
portability
In the "portability" category, the OnePlus Ace 6T notably outperforms the Xiaomi 18 Pro Max (51/100 vs 33/100).
Frequently asked questions
Which is better: the OnePlus Ace 6T or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 6T by 20 points (92/100 vs 72/100).
What is the rating of the OnePlus Ace 6T and the Xiaomi 18 Pro Max?
The OnePlus Ace 6T has a MobileRank rating of 72/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the OnePlus Ace 6T or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 35/100).
Which is more powerful: the OnePlus Ace 6T or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 90/100).
Should you choose the OnePlus Ace 6T over the Xiaomi 18 Pro Max?
The OnePlus Ace 6T 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.