OnePlus Ace 6 Ultra vs Xiaomi 17 Pro Max

The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 17 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $555 and $999. By overall MobileRank rating, the Xiaomi 17 Pro Max leads — 84/100 vs 66/100 (a 18-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 7500); the Xiaomi 17 Pro Max is faster in AnTuTu (3,998,145 vs 3,429,868).

The Xiaomi 17 Pro Max is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 18 points.
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Performance 76
Display 100
Camera 31
Battery 82
Design 28
Value for money 72
Xiaomi 17 Pro Max
Performance 92
Display 100
Camera 87
Battery 82
Design 26
Value for money 41
What makes OnePlus Ace 6 Ultra better?
  • Bigger battery: 8600 vs 7500 mAh
  • Faster charging: 120W vs 100W
  • Lighter: 217g vs 219g
  • Cheaper: $555 vs $999

  • Better design/ergonomics (28/100 vs 26/100)
  • Better value for money (72/100 vs 41/100)
What makes Xiaomi 17 Pro Max better?
  • Higher AnTuTu: 3998145 vs 3429868
  • Better Geekbench Single: 3640 vs 3228
  • Better Geekbench Multi: 11033 vs 9553
  • Higher refresh rate: 2160Hz vs 165Hz

  • Higher performance (92/100 vs 76/100)
  • Better camera (87/100 vs 31/100)
Comparison verdict

Comparing the OnePlus Ace 6 Ultra vs the Xiaomi 17 Pro Max, the Xiaomi 17 Pro Max scores 18 points higher (84/100 vs 66/100). In the "performance" category, the Xiaomi 17 Pro Max leads (92/100 vs 76/100). In the "camera" category, the Xiaomi 17 Pro Max leads (87/100 vs 31/100). In the "value for money" category, the OnePlus Ace 6 Ultra leads (72/100 vs 41/100). In the "performance" category, the Xiaomi 17 Pro Max notably outperforms the OnePlus Ace 6 Ultra (92/100 vs 76/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus Ace 6 Ultra (87/100 vs 31/100). In the "battery" category, both devices are on the same level — 82/100. In the "design" category, the OnePlus Ace 6 Ultra and the Xiaomi 17 Pro Max are nearly equal (28/100 vs 26/100). In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 17 Pro Max (72/100 vs 41/100).

OnePlus Ace 6 Ultra: The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life.
Xiaomi 17 Pro Max: The Xiaomi 17 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.
Specs comparison
Specification OnePlus Ace 6 Ultra Xiaomi 17 Pro Max
Processor MediaTek Dimensity 9500 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3429868 3998145
Geekbench Single 3228 3640
Geekbench Multi 9553 11033
Display 6.8" AMOLED 6.9" LTPO AMOLED
Resolution 1272x2772 1200x2608
Refresh rate 165 Hz 2160 Hz
Battery 8600 mAh 7500 mAh
Charging 120W 100W
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 16 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 512GB / 1TB
OS Android 16 Android 16, HyperOS 3
Brightness (peak) 1800 nits 3500 nits
NFC yes yes
Protection IP66 IP68
Dimensions 162.5×77.5×8.5 mm 162.9×77.6×8.0 mm
Weight 217 g 219 g
Price $555 $999
Camera comparison
OnePlus Ace 6 Ultra
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Xiaomi 17 Pro Max
  • Main: 50MP f/f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
87
camera
Display comparison
OnePlus Ace 6 Ultra
  • 6.8" AMOLED
  • Resolution: 1272x2772
  • Refresh rate: 165 Hz
100
display
Xiaomi 17 Pro Max
  • 6.9" LTPO AMOLED
  • Resolution: 1200x2608
  • Refresh rate: 2160 Hz
100
display
Battery and charging
OnePlus Ace 6 Ultra
  • 8600 mAh
  • Wired: 120W
  • No wireless charging
82
battery
Xiaomi 17 Pro Max
  • 7500 mAh
  • NanoReview test: web browsing 16:28 hrs, total 36:26 hrs
  • Wired: 100W
  • Wireless: 50W
82
battery
Overall performance score

We compared OnePlus Ace 6 Ultra and Xiaomi 17 Pro Max, covering their specs and all relevant benchmarks.

OnePlus Ace 6 Ultra MediaTek Dimensity 9500
66/100
3429868 AnTuTu
Xiaomi 17 Pro Max Qualcomm Snapdragon 8 Elite Gen 5
84/100 +14.2%
3998145 AnTuTu

Xiaomi 17 Pro Max leads OnePlus Ace 6 Ultra by 14.2% in our overall performance rating.

Benchmarks
Price and availability
OnePlus Ace 6 Ultra
$555
Xiaomi 17 Pro Max
$999

Price difference: $444. OnePlus Ace 6 Ultra is cheaper by $444.

Detailed category analysis
performance

In the "performance" category, the Xiaomi 17 Pro Max notably outperforms the OnePlus Ace 6 Ultra (92/100 vs 76/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus Ace 6 Ultra (87/100 vs 31/100).

battery

In the "battery" category, both devices are on the same level — 82/100.

design

In the "design" category, the OnePlus Ace 6 Ultra and the Xiaomi 17 Pro Max are nearly equal (28/100 vs 26/100).

value for money

In the "value for money" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi 17 Pro Max (72/100 vs 41/100).

Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max is noticeably better than the OnePlus Ace 6 Ultra — the overall rating gap is 18 points.

What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi 17 Pro Max?

The OnePlus Ace 6 Ultra has a MobileRank rating of 66/100, the Xiaomi 17 Pro Max — 84/100.

Which has the better camera: the OnePlus Ace 6 Ultra or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max leads on camera score (87/100 vs 31/100).

Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max leads on performance (92/100 vs 76/100).

Should you choose the OnePlus Ace 6 Ultra over the Xiaomi 17 Pro Max?

The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life. The Xiaomi 17 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.