OnePlus Ace 6 vs Xiaomi Black Shark 2 Pro

The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Black Shark 2 Pro (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the OnePlus Ace 6 leads — 65/100 vs 27/100 (a 38-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 859,084); the OnePlus Ace 6 has NFC for contactless payments, the Xiaomi Black Shark 2 Pro doesn't.

The OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro by 38 points (65/100 vs 27/100).
Profile comparison
Category scores
OnePlus Ace 6
Performance 73
Display 100
Camera 31
Battery 79
Design 33
Value for money 82
Xiaomi Black Shark 2 Pro
Performance 2
Display 100
Camera 32
Battery 13
Design 43
Value for money 55
What makes OnePlus Ace 6 better?
  • Higher AnTuTu: 3391399 vs 859084
  • Better Geekbench Single: 3050 vs 1031
  • Better Geekbench Multi: 9300 vs 2864
  • Bigger battery: 7800 vs 4000 mAh
  • Faster charging: 120W vs 27W
  • Better main camera: 50MP vs 48MP

  • Higher performance (73/100 vs 2/100)
  • Longer battery life (79/100 vs 13/100)
  • Better value for money (82/100 vs 55/100)
What makes Xiaomi Black Shark 2 Pro better?
  • Higher refresh rate: 240Hz vs 165Hz
  • Lighter: 205g vs 213g

  • Better camera (32/100 vs 31/100)
  • Better design/ergonomics (43/100 vs 33/100)
Comparison verdict

Comparing the OnePlus Ace 6 vs the Xiaomi Black Shark 2 Pro, the OnePlus Ace 6 scores 38 points higher (65/100 vs 27/100). In the "performance" category, the OnePlus Ace 6 leads (73/100 vs 2/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 13/100). In the "value for money" category, the OnePlus Ace 6 leads (82/100 vs 55/100). In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro (73/100 vs 2/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Xiaomi Black Shark 2 Pro and the OnePlus Ace 6 are nearly equal (32/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro (79/100 vs 13/100). In the "design" category, the Xiaomi Black Shark 2 Pro is a bit better (43/100 vs 33/100). In the "value for money" category, the OnePlus Ace 6 notably outperforms the Xiaomi Black Shark 2 Pro (82/100 vs 55/100).

OnePlus Ace 6: The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers.
Xiaomi Black Shark 2 Pro: The Xiaomi Black Shark 2 Pro is a better fit for everyday use.
Specs comparison
Specification OnePlus Ace 6 Xiaomi Black Shark 2 Pro
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 855+
AnTuTu 3391399 859084
Geekbench Single 3050 1031
Geekbench Multi 9300 2864
Display 6.8" OLED 6.4" AMOLED
Resolution 2800x1272 1080x2340
Refresh rate 165 Hz 240 Hz
Battery 7800 mAh 4000 mAh
Charging 120W 27W
Main camera 50 MP 48 MP
Ultrawide 8 MP 0 MP
Telephoto 0 MP 12 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 15 Android 9.0 (Pie)
Brightness (peak) 1800 nits
NFC yes no
Protection IP68
Dimensions 163.4×77.0×8.3 mm 163.6×75.0×8.8 mm
Weight 213 g 205 g
Price $399
Camera comparison
OnePlus Ace 6
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
31
camera
Xiaomi Black Shark 2 Pro
  • Main: 48MP f/f/1.8
  • Telephoto: 12MP
  • Front: 20MP
32
camera
Display comparison
OnePlus Ace 6
  • 6.8" OLED
  • Resolution: 2800x1272
  • Refresh rate: 165 Hz
100
display
Xiaomi Black Shark 2 Pro
  • 6.4" AMOLED
  • Resolution: 1080x2340
  • Refresh rate: 240 Hz
100
display
Battery and charging
OnePlus Ace 6
  • 7800 mAh
  • Wired: 120W
  • No wireless charging
79
battery
Xiaomi Black Shark 2 Pro
  • 4000 mAh
  • Wired: 27W
  • No wireless charging
13
battery
Overall performance score

We compared OnePlus Ace 6 and Xiaomi Black Shark 2 Pro, covering their specs and all relevant benchmarks.

OnePlus Ace 6 Qualcomm Snapdragon 8 Elite
65/100
3391399 AnTuTu
Xiaomi Black Shark 2 Pro Qualcomm Snapdragon 855+
27/100 -294.8%
859084 AnTuTu

OnePlus Ace 6 leads Xiaomi Black Shark 2 Pro by 294.8% in our overall performance rating.

Benchmarks
Price and availability
OnePlus Ace 6
$399
Xiaomi Black Shark 2 Pro
Price unknown
Detailed category analysis
performance

In the "performance" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro (73/100 vs 2/100).

display

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

camera

In the "camera" category, the Xiaomi Black Shark 2 Pro and the OnePlus Ace 6 are nearly equal (32/100 vs 31/100).

battery

In the "battery" category, the OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro (79/100 vs 13/100).

design

In the "design" category, the Xiaomi Black Shark 2 Pro is a bit better (43/100 vs 33/100).

value for money

In the "value for money" category, the OnePlus Ace 6 notably outperforms the Xiaomi Black Shark 2 Pro (82/100 vs 55/100).

Frequently asked questions
Which is better: the OnePlus Ace 6 or the Xiaomi Black Shark 2 Pro?

The OnePlus Ace 6 significantly outperforms the Xiaomi Black Shark 2 Pro by 38 points (65/100 vs 27/100).

What is the rating of the OnePlus Ace 6 and the Xiaomi Black Shark 2 Pro?

The OnePlus Ace 6 has a MobileRank rating of 65/100, the Xiaomi Black Shark 2 Pro — 27/100.

Which is more powerful: the OnePlus Ace 6 or the Xiaomi Black Shark 2 Pro?

The OnePlus Ace 6 leads on performance (73/100 vs 2/100).

Should you choose the OnePlus Ace 6 over the Xiaomi Black Shark 2 Pro?

The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi Black Shark 2 Pro is a better fit for everyday use.