OnePlus Ace 6 vs Xiaomi Mi 9T Pro

The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi 9T Pro (2019) runs on the Qualcomm Snapdragon 855; estimated prices are $399 and $400. By overall MobileRank rating, the OnePlus Ace 6 leads — 65/100 vs 18/100 (a 47-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6 is faster in AnTuTu (3,391,399 vs 835,186); the Xiaomi Mi 9T Pro is noticeably lighter (191g vs 213g).

The OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro by 47 points (65/100 vs 18/100).
Profile comparison
Category scores
OnePlus Ace 6
Performance 73
Display 100
Camera 31
Battery 79
Design 33
Value for money 82
Xiaomi Mi 9T Pro
Performance 1
Display 0
Camera 36
Battery 13
Design 61
Value for money 82
What makes OnePlus Ace 6 better?
  • Higher AnTuTu: 3391399 vs 835186
  • Better Geekbench Single: 3050 vs 968
  • Better Geekbench Multi: 9300 vs 2731
  • Bigger battery: 7800 vs 4000 mAh
  • Faster charging: 120W vs 27W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 165Hz vs 60Hz
  • Cheaper: $399 vs $400

  • Higher performance (73/100 vs 1/100)
  • Longer battery life (79/100 vs 13/100)
  • Better display (100/100 vs 0/100)
What makes Xiaomi Mi 9T Pro better?
  • Lighter: 191g vs 213g

  • Better camera (36/100 vs 31/100)
  • Better design/ergonomics (61/100 vs 33/100)
Comparison verdict

Comparing the OnePlus Ace 6 vs the Xiaomi Mi 9T Pro, the OnePlus Ace 6 scores 47 points higher (65/100 vs 18/100). In the "performance" category, the OnePlus Ace 6 leads (73/100 vs 1/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 13/100). In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (73/100 vs 1/100). In the "display" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (100/100 vs 0/100). In the "camera" category, the Xiaomi Mi 9T Pro is a bit better (36/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (79/100 vs 13/100). In the "design" category, the Xiaomi Mi 9T Pro notably outperforms the OnePlus Ace 6 (61/100 vs 33/100). In the "value for money" category, both devices are on the same level — 82/100.

OnePlus Ace 6: The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers.
Xiaomi Mi 9T Pro: The Xiaomi Mi 9T Pro is a better fit for budget-conscious buyers.
Specs comparison
Specification OnePlus Ace 6 Xiaomi Mi 9T Pro
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 855
AnTuTu 3391399 835186
Geekbench Single 3050 968
Geekbench Multi 9300 2731
Display 6.8" OLED 6.4" AMOLED
Resolution 2800x1272 2340x1080
Refresh rate 165 Hz 60 Hz
Battery 7800 mAh 4000 mAh
Charging 120W 27W
Main camera 50 MP 48 MP
Ultrawide 8 MP 13 MP
Telephoto 0 MP 8 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 6GB / 8GB
Storage 256GB / 512GB / 1TB 64GB / 128GB / 256GB
OS Android 15 Android 9
Brightness (peak) 1800 nits
NFC yes yes
Protection IP68
Dimensions 163.4×77.0×8.3 mm 156.7×74.3×8.8 mm
Weight 213 g 191 g
Price $399 $400
Camera comparison
OnePlus Ace 6
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Xiaomi Mi 9T Pro
  • Main: 48MP f/1.75
  • Ultrawide: 13MP
  • Telephoto: 8MP
  • Front: 20MP
36
camera
Display comparison
OnePlus Ace 6
  • 6.8" OLED
  • Resolution: 2800x1272
  • Refresh rate: 165 Hz
100
display
Xiaomi Mi 9T Pro
  • 6.4" AMOLED
  • Resolution: 2340x1080
  • Refresh rate: 60 Hz
0
display
Battery and charging
OnePlus Ace 6
  • 7800 mAh
  • Wired: 120W
  • No wireless charging
79
battery
Xiaomi Mi 9T Pro
  • 4000 mAh
  • Wired: 27W
  • No wireless charging
13
battery
Overall performance score

We compared OnePlus Ace 6 and Xiaomi Mi 9T Pro, covering their specs and all relevant benchmarks.

OnePlus Ace 6 Qualcomm Snapdragon 8 Elite
65/100
3391399 AnTuTu
Xiaomi Mi 9T Pro Qualcomm Snapdragon 855
18/100 -306.1%
835186 AnTuTu

OnePlus Ace 6 leads Xiaomi Mi 9T Pro by 306.1% in our overall performance rating.

Benchmarks
Price and availability
OnePlus Ace 6
$399
Xiaomi Mi 9T Pro
$400

Price difference: $1. OnePlus Ace 6 is cheaper by $1.

Detailed category analysis
performance

In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (73/100 vs 1/100).

display

In the "display" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (100/100 vs 0/100).

camera

In the "camera" category, the Xiaomi Mi 9T Pro is a bit better (36/100 vs 31/100).

battery

In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro (79/100 vs 13/100).

design

In the "design" category, the Xiaomi Mi 9T Pro notably outperforms the OnePlus Ace 6 (61/100 vs 33/100).

value for money

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

Frequently asked questions
Which is better: the OnePlus Ace 6 or the Xiaomi Mi 9T Pro?

The OnePlus Ace 6 significantly outperforms the Xiaomi Mi 9T Pro by 47 points (65/100 vs 18/100).

What is the rating of the OnePlus Ace 6 and the Xiaomi Mi 9T Pro?

The OnePlus Ace 6 has a MobileRank rating of 65/100, the Xiaomi Mi 9T Pro — 18/100.

Which has the better camera: the OnePlus Ace 6 or the Xiaomi Mi 9T Pro?

The Xiaomi Mi 9T Pro leads on camera score (36/100 vs 31/100).

Which is more powerful: the OnePlus Ace 6 or the Xiaomi Mi 9T Pro?

The OnePlus Ace 6 leads on performance (73/100 vs 1/100).

Should you choose the OnePlus Ace 6 over the Xiaomi Mi 9T Pro?

The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi Mi 9T Pro is a better fit for budget-conscious buyers.