Oppo A9 vs Xiaomi 18 Pro Max

The Oppo A9 (2019) runs on the MediaTek Helio P70, 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 28/100 (a 64-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 4020); the main camera is 16 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 303,398); the Oppo A9 is noticeably lighter (190g vs 235g).

The Xiaomi 18 Pro Max significantly outperforms the Oppo A9 by 64 points (92/100 vs 28/100).

Profile comparison

Category scores

Oppo A9

Performance 20
Display 57
Camera 14
Battery 32
Portability 62
Value for money —

Xiaomi 18 Pro Max

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

What makes Oppo A9 better?

  • Lighter: 190g vs 235g

  • Better portability (62/100 vs 33/100)

What makes Xiaomi 18 Pro Max better?

  • Higher AnTuTu: 5001234 vs 303398
  • Better Geekbench Single: 4327 vs 341
  • Better Geekbench Multi: 12873 vs 779
  • Bigger battery: 8500 vs 4020 mAh
  • Better main camera: 200MP vs 16MP

  • Higher performance (100/100 vs 20/100)
  • Better camera (100/100 vs 14/100)
  • Longer battery life (92/100 vs 32/100)
  • Better display (82/100 vs 57/100)

Comparison verdict

Comparing the Oppo A9 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 64 points higher (92/100 vs 28/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 20/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 14/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 32/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (100/100 vs 20/100). In the "display" category, the Xiaomi 18 Pro Max notably outperforms the Oppo A9 (82/100 vs 57/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (100/100 vs 14/100). In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (92/100 vs 32/100). In the "portability" category, the Oppo A9 notably outperforms the Xiaomi 18 Pro Max (62/100 vs 33/100).

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 Oppo A9 Xiaomi 18 Pro Max
Processor MediaTek Helio P70 Qualcomm Snapdragon 8 Elite Extreme Gen 6
AnTuTu 303398 5001234
Geekbench Single 341 4327
Geekbench Multi 779 12873
Display 6.5" IPS LCD 6.9" LTPO AMOLED
Resolution 1080x2340 1208x2624
Refresh rate — 120 Hz
Battery 4020 mAh 8500 mAh
Charging — 100W
Wireless charging — 50W
Main camera 16 MP 200 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 16 MP 50 MP
RAM 6GB 12GB / 16GB
Storage 128GB 256GB / 512GB / 1TB
OS Android 9.0 (Pie); ColorOS 6 Android 17
Brightness (peak) — 4000 nits
NFC yes yes
Protection — IP68/IP69
Dimensions 162.0×76.1×8.3 mm 163.4×77.6×8.4 mm
Weight 190 g 235 g
Launch price — $986

Camera comparison

Oppo A9

  • Main: 16MP
  • Front: 16MP
14
camera

Xiaomi 18 Pro Max

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

Display comparison

Oppo A9

  • 6.5" IPS LCD
  • Resolution: 1080x2340
  • Refresh rate: —
57
display

Xiaomi 18 Pro Max

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

Battery and charging

Oppo A9

  • 4020 mAh
  • Wireless charging: no data
32
battery

Xiaomi 18 Pro Max

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

Overall performance score

We compared Oppo A9 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.

Oppo A9 MediaTek Helio P70
28/100
303398 AnTuTu
Xiaomi 18 Pro Max Qualcomm Snapdragon 8 Elite Extreme Gen 6
92/100 +93.9%
5001234 AnTuTu

Xiaomi 18 Pro Max leads Oppo A9 by 93.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Oppo A9

Price unknown

Xiaomi 18 Pro Max

$986

Detailed category analysis

performance

In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (100/100 vs 20/100).

display

In the "display" category, the Xiaomi 18 Pro Max notably outperforms the Oppo A9 (82/100 vs 57/100).

camera

In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (100/100 vs 14/100).

battery

In the "battery" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo A9 (92/100 vs 32/100).

portability

In the "portability" category, the Oppo A9 notably outperforms the Xiaomi 18 Pro Max (62/100 vs 33/100).

Frequently asked questions

Which is better: the Oppo A9 or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max significantly outperforms the Oppo A9 by 64 points (92/100 vs 28/100).

What is the rating of the Oppo A9 and the Xiaomi 18 Pro Max?

The Oppo A9 has a MobileRank rating of 28/100, the Xiaomi 18 Pro Max — 92/100.

Which has the better camera: the Oppo A9 or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max leads on camera score (100/100 vs 14/100).

Which is more powerful: the Oppo A9 or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max leads on performance (100/100 vs 20/100).

Should you choose the Oppo A9 over the 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.