OnePlus 15T vs Xiaomi 18 Pro Max

The OnePlus 15T (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6; launch prices were $799 and $986. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 86/100 (a 6-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 6400); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 3,927,976); the OnePlus 15T is noticeably lighter (206g vs 235g).

The Xiaomi 18 Pro Max edges out the OnePlus 15T by just 6 points — the two devices are very close in overall level.

Profile comparison

Category scores

OnePlus 15T

Performance 98
Display 89
Camera 78
Battery 84
Portability 51
Value for money 86

Xiaomi 18 Pro Max

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

What makes OnePlus 15T better?

  • Lighter: 206g vs 235g
  • Cheaper at launch: $799 vs $986

  • Better display (89/100 vs 82/100)
  • Better portability (51/100 vs 33/100)

What makes Xiaomi 18 Pro Max better?

  • Higher AnTuTu: 5001234 vs 3927976
  • Better Geekbench Single: 4327 vs 3639
  • Better Geekbench Multi: 12873 vs 11047
  • Bigger battery: 8500 vs 6400 mAh
  • Better main camera: 200MP vs 50MP

  • Higher performance (100/100 vs 98/100)
  • Better camera (100/100 vs 78/100)
  • Longer battery life (92/100 vs 84/100)

Comparison verdict

Comparing the OnePlus 15T vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 6 points higher (92/100 vs 86/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 78/100). Value score: OnePlus 15T — 86/100, Xiaomi 18 Pro Max — 96/100; 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 18 Pro Max and the OnePlus 15T are nearly equal (100/100 vs 98/100). In the "display" category, the OnePlus 15T is a bit better (89/100 vs 82/100). In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus 15T (100/100 vs 78/100). In the "battery" category, the Xiaomi 18 Pro Max is a bit better (92/100 vs 84/100). In the "portability" category, the OnePlus 15T notably outperforms the Xiaomi 18 Pro Max (51/100 vs 33/100).

OnePlus 15T: The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
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 15T Xiaomi 18 Pro Max
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite Extreme Gen 6
AnTuTu 3927976 5001234
Geekbench Single 3639 4327
Geekbench Multi 11047 12873
Display 6.8" LTPO AMOLED 6.9" LTPO AMOLED
Resolution 3168x1440 1208x2624
Refresh rate 120 Hz 120 Hz
Battery 6400 mAh 8500 mAh
Charging 100W 100W
Wireless charging 50W 50W
Main camera 50 MP 200 MP
Ultrawide 50 MP 50 MP
Telephoto 50 MP 200 MP
Front camera 32 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 17
Brightness (peak) 3600 nits 4000 nits
NFC yes yes
Protection IP68 IP68/IP69
Dimensions 150.6×71.8×8.4 mm 163.4×77.6×8.4 mm
Weight 206 g 235 g
Launch price $799 $986

Camera comparison

OnePlus 15T

  • Main: 50MP f/1.6
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Xiaomi 18 Pro Max

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

Display comparison

OnePlus 15T

  • 6.8" LTPO AMOLED
  • Resolution: 3168x1440
  • Refresh rate: 120 Hz
89
display

Xiaomi 18 Pro Max

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

Battery and charging

OnePlus 15T

  • 6400 mAh
  • Wired: 100W
  • Wireless: 50W
84
battery

Xiaomi 18 Pro Max

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

Overall performance score

We compared OnePlus 15T and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.

OnePlus 15T Qualcomm Snapdragon 8 Elite Gen 5
86/100
3927976 AnTuTu
Xiaomi 18 Pro Max Qualcomm Snapdragon 8 Elite Extreme Gen 6
92/100 +21.5%
5001234 AnTuTu

Xiaomi 18 Pro Max leads OnePlus 15T by 21.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus 15T

$799

Xiaomi 18 Pro Max

$986

Launch price difference: $187. OnePlus 15T was $187 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Xiaomi 18 Pro Max and the OnePlus 15T are nearly equal (100/100 vs 98/100).

display

In the "display" category, the OnePlus 15T is a bit better (89/100 vs 82/100).

camera

In the "camera" category, the Xiaomi 18 Pro Max notably outperforms the OnePlus 15T (100/100 vs 78/100).

battery

In the "battery" category, the Xiaomi 18 Pro Max is a bit better (92/100 vs 84/100).

portability

In the "portability" category, the OnePlus 15T notably outperforms the Xiaomi 18 Pro Max (51/100 vs 33/100).

Frequently asked questions

Which is better: the OnePlus 15T or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max edges out the OnePlus 15T by just 6 points — the two devices are very close in overall level.

What is the rating of the OnePlus 15T and the Xiaomi 18 Pro Max?

The OnePlus 15T has a MobileRank rating of 86/100, the Xiaomi 18 Pro Max — 92/100.

Which has the better camera: the OnePlus 15T or the Xiaomi 18 Pro Max?

The Xiaomi 18 Pro Max leads on camera score (100/100 vs 78/100).

Should you choose the OnePlus 15T over the Xiaomi 18 Pro Max?

The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. 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.