OnePlus Ace 6 Ultra vs Xiaomi Mi 9 Lite

The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi Mi 9 Lite (2019) runs on the Qualcomm Snapdragon 710; estimated prices are $555 and $280. By overall MobileRank rating, the OnePlus Ace 6 Ultra leads — 66/100 vs 19/100 (a 47-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 4030); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 417,439); the Xiaomi Mi 9 Lite is noticeably lighter (179g vs 217g).

The OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite by 47 points (66/100 vs 19/100).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Performance 76
Display 100
Camera 31
Battery 82
Design 28
Value for money 72
Xiaomi Mi 9 Lite
Performance 0
Display 0
Camera 35
Battery 12
Design 76
Value for money 91
What makes OnePlus Ace 6 Ultra better?
  • Higher AnTuTu: 3429868 vs 417439
  • Better Geekbench Single: 3228 vs 431
  • Better Geekbench Multi: 9553 vs 1320
  • Bigger battery: 8600 vs 4030 mAh
  • Faster charging: 120W vs 18W
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 165Hz vs 60Hz

  • Higher performance (76/100 vs 0/100)
  • Longer battery life (82/100 vs 12/100)
  • Better display (100/100 vs 0/100)
What makes Xiaomi Mi 9 Lite better?
  • Lighter: 179g vs 217g
  • Cheaper: $280 vs $555

  • Better camera (35/100 vs 31/100)
  • Better design/ergonomics (76/100 vs 28/100)
  • Better value for money (91/100 vs 72/100)
Comparison verdict

Comparing the OnePlus Ace 6 Ultra vs the Xiaomi Mi 9 Lite, the OnePlus Ace 6 Ultra scores 47 points higher (66/100 vs 19/100). In the "performance" category, the OnePlus Ace 6 Ultra leads (76/100 vs 0/100). In the "battery" category, the OnePlus Ace 6 Ultra leads (82/100 vs 12/100). In the "value for money" category, the Xiaomi Mi 9 Lite leads (91/100 vs 72/100). In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite (76/100 vs 0/100). In the "display" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite (100/100 vs 0/100). In the "camera" category, the Xiaomi Mi 9 Lite and the OnePlus Ace 6 Ultra are nearly equal (35/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite (82/100 vs 12/100). In the "design" category, the Xiaomi Mi 9 Lite significantly outperforms the OnePlus Ace 6 Ultra (76/100 vs 28/100). In the "value for money" category, the Xiaomi Mi 9 Lite notably outperforms the OnePlus Ace 6 Ultra (91/100 vs 72/100).

OnePlus Ace 6 Ultra: The OnePlus Ace 6 Ultra is a better fit for active users, those who care about battery life.
Xiaomi Mi 9 Lite: The Xiaomi Mi 9 Lite is a better fit for budget-conscious buyers.
Specs comparison
Specification OnePlus Ace 6 Ultra Xiaomi Mi 9 Lite
Processor MediaTek Dimensity 9500 Qualcomm Snapdragon 710
AnTuTu 3429868 417439
Geekbench Single 3228 431
Geekbench Multi 9553 1320
Display 6.8" AMOLED 6.4" AMOLED
Resolution 1272x2772 2340x1080
Refresh rate 165 Hz 60 Hz
Battery 8600 mAh 4030 mAh
Charging 120W 18W
Main camera 50 MP 48 MP
Ultrawide 8 MP 8 MP
Front camera 16 MP 32 MP
RAM 12GB / 16GB 6GB
Storage 256GB / 512GB / 1TB 64GB / 128GB
OS Android 16 Android 9
Brightness (peak) 1800 nits 600 nits
NFC yes yes
Protection IP66
Dimensions 162.5×77.5×8.5 mm 156.8×74.5×8.7 mm
Weight 217 g 179 g
Price $555 $280
Camera comparison
OnePlus Ace 6 Ultra
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Xiaomi Mi 9 Lite
  • Main: 48MP f/2.0
  • Ultrawide: 8MP
  • Front: 32MP
35
camera
Display comparison
OnePlus Ace 6 Ultra
  • 6.8" AMOLED
  • Resolution: 1272x2772
  • Refresh rate: 165 Hz
100
display
Xiaomi Mi 9 Lite
  • 6.4" AMOLED
  • Resolution: 2340x1080
  • Refresh rate: 60 Hz
0
display
Battery and charging
OnePlus Ace 6 Ultra
  • 8600 mAh
  • Wired: 120W
  • No wireless charging
82
battery
Xiaomi Mi 9 Lite
  • 4030 mAh
  • Wired: 18W
  • No wireless charging
12
battery
Overall performance score

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

OnePlus Ace 6 Ultra MediaTek Dimensity 9500
66/100
3429868 AnTuTu
Xiaomi Mi 9 Lite Qualcomm Snapdragon 710
19/100 -721.6%
417439 AnTuTu

OnePlus Ace 6 Ultra leads Xiaomi Mi 9 Lite by 721.6% in our overall performance rating.

Benchmarks
Price and availability
OnePlus Ace 6 Ultra
$555
Xiaomi Mi 9 Lite
$280

Price difference: $275. Xiaomi Mi 9 Lite is cheaper by $275.

Detailed category analysis
performance

In the "performance" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite (76/100 vs 0/100).

display

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

camera

In the "camera" category, the Xiaomi Mi 9 Lite and the OnePlus Ace 6 Ultra are nearly equal (35/100 vs 31/100).

battery

In the "battery" category, the OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite (82/100 vs 12/100).

design

In the "design" category, the Xiaomi Mi 9 Lite significantly outperforms the OnePlus Ace 6 Ultra (76/100 vs 28/100).

value for money

In the "value for money" category, the Xiaomi Mi 9 Lite notably outperforms the OnePlus Ace 6 Ultra (91/100 vs 72/100).

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

The OnePlus Ace 6 Ultra significantly outperforms the Xiaomi Mi 9 Lite by 47 points (66/100 vs 19/100).

What is the rating of the OnePlus Ace 6 Ultra and the Xiaomi Mi 9 Lite?

The OnePlus Ace 6 Ultra has a MobileRank rating of 66/100, the Xiaomi Mi 9 Lite — 19/100.

Which is more powerful: the OnePlus Ace 6 Ultra or the Xiaomi Mi 9 Lite?

The OnePlus Ace 6 Ultra leads on performance (76/100 vs 0/100).

Should you choose the OnePlus Ace 6 Ultra over the Xiaomi Mi 9 Lite?

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