OnePlus Ace 3 Pro vs Xiaomi 18 Pro Max

The OnePlus Ace 3 Pro (2024) runs on the Qualcomm Snapdragon 8 Gen 3, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 66/100 (a 26-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 6100); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 2,287,429); the OnePlus Ace 3 Pro is noticeably lighter (207g vs 235g).

The Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 3 Pro by 26 points (92/100 vs 66/100).

Profile comparison

Category scores

OnePlus Ace 3 Pro

Performance 82
Display 84
Camera 35
Battery 68
Portability 45
Value for money —

Xiaomi 18 Pro Max

Performance 100
Display 82
Camera 100
Battery 92
Portability 33
Value for money 96

What makes OnePlus Ace 3 Pro better?

  • Lighter: 207g vs 235g

  • Better display (84/100 vs 82/100)
  • Better portability (45/100 vs 33/100)

What makes Xiaomi 18 Pro Max better?

  • Higher AnTuTu: 5001234 vs 2287429
  • Better Geekbench Single: 4327 vs 2203
  • Better Geekbench Multi: 12873 vs 6511
  • Bigger battery: 8500 vs 6100 mAh
  • Better main camera: 200MP vs 50MP

  • Higher performance (100/100 vs 82/100)
  • Better camera (100/100 vs 35/100)
  • Longer battery life (92/100 vs 68/100)

Comparison verdict

Comparing the OnePlus Ace 3 Pro vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 26 points higher (92/100 vs 66/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 82/100). 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 68/100). In the "performance" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 3 Pro (100/100 vs 82/100). In the "display" category, the OnePlus Ace 3 Pro and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 3 Pro (100/100 vs 35/100). In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 3 Pro (92/100 vs 68/100). In the "portability" category, the OnePlus Ace 3 Pro is a bit better (45/100 vs 33/100).

OnePlus Ace 3 Pro: The OnePlus Ace 3 Pro is a better fit for gamers and power users.
Xiaomi 18 Pro Max: 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.

Specs comparison

Specification OnePlus Ace 3 Pro Xiaomi 18 Pro Max
Processor Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 8 Elite Extreme Gen 6
AnTuTu 2287429 5001234
Geekbench Single 2203 4327
Geekbench Multi 6511 12873
Display 6.8" LTPO AMOLED 6.9" LTPO AMOLED
Resolution 1264x2780 1208x2624
Refresh rate 120 Hz 120 Hz
Battery 6100 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 / 24GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 14, ColorOS 14 Android 17
Brightness (peak) 4500 nits 4000 nits
NFC yes yes
Protection IP65 IP68/IP69
Dimensions 163.3×75.3×8.9 mm 163.4×77.6×8.4 mm
Weight 207 g 235 g
Launch price — $986

Camera comparison

OnePlus Ace 3 Pro

  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera

Xiaomi 18 Pro Max

  • Main: 200MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 50MP
100
camera

Display comparison

OnePlus Ace 3 Pro

  • 6.8" LTPO AMOLED
  • Resolution: 1264x2780
  • Refresh rate: 120 Hz
84
display

Xiaomi 18 Pro Max

  • 6.9" LTPO AMOLED
  • Resolution: 1208x2624
  • Refresh rate: 120 Hz
82
display

Battery and charging

OnePlus Ace 3 Pro

  • 6100 mAh
  • Wired: 100W
  • No wireless charging
68
battery

Xiaomi 18 Pro Max

  • 8500 mAh
  • Wired: 100W
  • Wireless: 50W
92
battery

Overall performance score

We compared OnePlus Ace 3 Pro and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.

OnePlus Ace 3 Pro Qualcomm Snapdragon 8 Gen 3
66/100
2287429 AnTuTu
Xiaomi 18 Pro Max Qualcomm Snapdragon 8 Elite Extreme Gen 6
92/100 +54.3%
5001234 AnTuTu

Xiaomi 18 Pro Max leads OnePlus Ace 3 Pro by 54.3% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus Ace 3 Pro

Price unknown

Xiaomi 18 Pro Max

$986

Detailed category analysis

performance

In the "performance" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 3 Pro (100/100 vs 82/100).

display

In the "display" category, the OnePlus Ace 3 Pro and the Xiaomi 18 Pro Max are nearly equal (84/100 vs 82/100).

camera

In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 3 Pro (100/100 vs 35/100).

battery

In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus Ace 3 Pro (92/100 vs 68/100).

portability

In the "portability" category, the OnePlus Ace 3 Pro is a bit better (45/100 vs 33/100).

Frequently asked questions

Which is better: the OnePlus Ace 3 Pro or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max significantly outperforms the OnePlus Ace 3 Pro by 26 points (92/100 vs 66/100).

What is the rating of the OnePlus Ace 3 Pro and the Xiaomi 18 Pro Max?

The OnePlus Ace 3 Pro has a MobileRank rating of 66/100, the Xiaomi 18 Pro Max — 92/100.

Which has the better camera: the OnePlus Ace 3 Pro 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 3 Pro or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max leads on performance (100/100 vs 82/100).

Should you choose the OnePlus Ace 3 Pro over the Xiaomi 18 Pro Max?

The OnePlus Ace 3 Pro is a better fit for gamers and power users. 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.