OnePlus 9 vs Xiaomi 17 Pro Max

The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 17 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $729 and $999. By overall MobileRank rating, the Xiaomi 17 Pro Max leads — 88/100 vs 60/100 (a 28-point difference). Key differences: the Xiaomi 17 Pro Max has the bigger battery (7500 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Xiaomi 17 Pro Max is faster in AnTuTu (3,998,145 vs 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 219g).

The Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 by 28 points (88/100 vs 60/100).

Profile comparison

Category scores

OnePlus 9

Performance 64
Display 80
Camera 51
Battery 50
Portability 56
Value for money 34

Xiaomi 17 Pro Max

Performance 98
Display 81
Camera 87
Battery 89
Portability 48
Value for money 86

What makes OnePlus 9 better?

  • Lighter: 192g vs 219g
  • Cheaper at launch: $729 vs $999

  • Better portability (56/100 vs 48/100)

What makes Xiaomi 17 Pro Max better?

  • Higher AnTuTu: 3998145 vs 1157244
  • Better Geekbench Single: 3639 vs 1500
  • Better Geekbench Multi: 11047 vs 3537
  • Bigger battery: 7500 vs 4500 mAh
  • Faster charging: 100W vs 65W
  • Better main camera: 50MP vs 48MP
  • Faster wireless charging: 50W vs 15W

  • Higher performance (98/100 vs 64/100)
  • Better camera (87/100 vs 51/100)
  • Longer battery life (89/100 vs 50/100)
  • Better display (81/100 vs 80/100)

Comparison verdict

Comparing the OnePlus 9 vs the Xiaomi 17 Pro Max, the Xiaomi 17 Pro Max scores 28 points higher (88/100 vs 60/100). In the "performance" category, the Xiaomi 17 Pro Max leads (98/100 vs 64/100). In the "camera" category, the Xiaomi 17 Pro Max leads (87/100 vs 51/100). In the "battery" category, the Xiaomi 17 Pro Max leads (89/100 vs 50/100). Value score: OnePlus 9 — 34/100, Xiaomi 17 Pro Max — 86/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (98/100 vs 64/100). In the "display" category, the Xiaomi 17 Pro Max and the OnePlus 9 are nearly equal (81/100 vs 80/100). In the "camera" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (87/100 vs 51/100). In the "battery" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (89/100 vs 50/100). In the "portability" category, the OnePlus 9 is a bit better (56/100 vs 48/100).

OnePlus 9: The OnePlus 9 is a better fit for active users.
Xiaomi 17 Pro Max: The Xiaomi 17 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 9 Xiaomi 17 Pro Max
Processor Qualcomm Snapdragon 888 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1157244 3998145
Geekbench Single 1500 3639
Geekbench Multi 3537 11047
Display 6.5" AMOLED 6.9" LTPO AMOLED
Resolution 2400x1080 1200x2608
Refresh rate 120 Hz 120 Hz
Battery 4500 mAh 7500 mAh
Charging 65W 100W
Wireless charging 15W 50W
DXOMark (camera) — 159
Main camera 48 MP 50 MP
Ultrawide 50 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 50 MP
RAM 8GB / 12GB 12GB / 16GB
Storage 128GB / 256GB 512GB / 1TB
OS Android 11 Android 16
Brightness (peak) 1100 nits 3500 nits
NFC yes yes
Protection — IP68
Dimensions 160.0×74.2×8.7 mm 162.9×77.6×8.0 mm
Weight 192 g 219 g
Launch price $729 $999

Camera comparison

OnePlus 9

  • Main: 48MP f/1.8
  • Ultrawide: 50MP
  • Front: 16MP
51
camera

Xiaomi 17 Pro Max

  • Main: 50MP f/1.69
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
87
camera

Display comparison

OnePlus 9

  • 6.5" AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 120 Hz
80
display

Xiaomi 17 Pro Max

  • 6.9" LTPO AMOLED
  • Resolution: 1200x2608
  • Refresh rate: 120 Hz
81
display

Battery and charging

OnePlus 9

  • 4500 mAh
  • Wired: 65W
  • Wireless: 15W
50
battery

Xiaomi 17 Pro Max

  • 7500 mAh
  • NanoReview test: web browsing 16:28 hrs, total 36:26 hrs
  • Wired: 100W
  • Wireless: 50W
89
battery

Overall performance score

We compared OnePlus 9 and Xiaomi 17 Pro Max, covering their specs and all relevant benchmarks.

OnePlus 9 Qualcomm Snapdragon 888
60/100
1157244 AnTuTu
Xiaomi 17 Pro Max Qualcomm Snapdragon 8 Elite Gen 5
88/100 +71.1%
3998145 AnTuTu

Xiaomi 17 Pro Max leads OnePlus 9 by 71.1% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus 9

$729

Xiaomi 17 Pro Max

$999

Launch price difference: $270. OnePlus 9 was $270 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (98/100 vs 64/100).

display

In the "display" category, the Xiaomi 17 Pro Max and the OnePlus 9 are nearly equal (81/100 vs 80/100).

camera

In the "camera" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (87/100 vs 51/100).

battery

In the "battery" category, the Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 (89/100 vs 50/100).

portability

In the "portability" category, the OnePlus 9 is a bit better (56/100 vs 48/100).

Frequently asked questions

Which is better: the OnePlus 9 or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max significantly outperforms the OnePlus 9 by 28 points (88/100 vs 60/100).

What is the rating of the OnePlus 9 and the Xiaomi 17 Pro Max?

The OnePlus 9 has a MobileRank rating of 60/100, the Xiaomi 17 Pro Max — 88/100.

Which has the better camera: the OnePlus 9 or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max leads on camera score (87/100 vs 51/100).

Which is more powerful: the OnePlus 9 or the Xiaomi 17 Pro Max?

The Xiaomi 17 Pro Max leads on performance (98/100 vs 64/100).

Should you choose the OnePlus 9 over the Xiaomi 17 Pro Max?

The OnePlus 9 is a better fit for active users. The Xiaomi 17 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.