Xiaomi 15 Ultra vs ZTE Axon 40

The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the ZTE Axon 40 (2022) runs on the Qualcomm Snapdragon 870. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 58/100 (a 27-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,010,069); the ZTE Axon 40 is noticeably lighter (200g vs 225g).

The Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 by 27 points (85/100 vs 58/100).

Profile comparison

Category scores

Xiaomi 15 Ultra

Performance 92
Display 90
Camera 87
Battery 80
Portability 29
Value for money 80

ZTE Axon 40

Performance 61
Display 73
Camera 51
Battery 52
Portability 53
Value for money —

What makes Xiaomi 15 Ultra better?

  • Higher AnTuTu: 3030376 vs 1010069
  • Better Geekbench Single: 3050 vs 1298
  • Better Geekbench Multi: 10200 vs 3520
  • Bigger battery: 6000 vs 5000 mAh

  • Higher performance (92/100 vs 61/100)
  • Better camera (87/100 vs 51/100)
  • Longer battery life (80/100 vs 52/100)
  • Better display (90/100 vs 73/100)

What makes ZTE Axon 40 better?

  • Better main camera: 64MP vs 50MP
  • Lighter: 200g vs 225g

  • Better portability (53/100 vs 29/100)

Comparison verdict

Comparing the Xiaomi 15 Ultra vs the ZTE Axon 40, the Xiaomi 15 Ultra scores 27 points higher (85/100 vs 58/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 61/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 51/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 52/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 (92/100 vs 61/100). In the "display" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 (90/100 vs 73/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 (87/100 vs 51/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 (80/100 vs 52/100). In the "portability" category, the ZTE Axon 40 notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).

Xiaomi 15 Ultra: The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
ZTE Axon 40: The ZTE Axon 40 is a better fit for active users.

Specs comparison

Specification Xiaomi 15 Ultra ZTE Axon 40
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 870
AnTuTu 3030376 1010069
Geekbench Single 3050 1298
Geekbench Multi 10200 3520
Display 6.7" LTPO AMOLED 6.7"
Resolution 3200x1440 1080x2400
Refresh rate 120 Hz 120 Hz
Battery 6000 mAh 5000 mAh
Charging 90W —
Wireless charging 50W 0W
DXOMark (camera) 159 —
Main camera 50 MP 64 MP
Ultrawide 50 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 32 MP 44 MP
RAM 16GB —
Storage 256GB / 512GB / 1TB 128GB
OS Android 15 / HyperOS 2 Android 12 Snow Cone
Brightness (peak) 3200 nits —
NFC yes yes
Protection IP68 —
Dimensions 161.3×75.3×9.4 mm 163.4×75.9×8.6 mm
Weight 225 g 200 g
Launch price $999 —

Camera comparison

Xiaomi 15 Ultra

  • Main: 50MP f/1.63
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
87
camera

ZTE Axon 40

  • Main: 64MP
  • Ultrawide: 8MP
  • Front: 44MP
51
camera

Display comparison

Xiaomi 15 Ultra

  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
90
display

ZTE Axon 40

  • 6.7"
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
73
display

Battery and charging

Xiaomi 15 Ultra

  • 6000 mAh
  • NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
  • Wired: 90W
  • Wireless: 50W
80
battery

ZTE Axon 40

  • 5000 mAh
  • No wireless charging
52
battery

Overall performance score

We compared Xiaomi 15 Ultra and ZTE Axon 40, covering their specs and all relevant benchmarks.

Xiaomi 15 Ultra Qualcomm Snapdragon 8 Elite
85/100
3030376 AnTuTu
ZTE Axon 40 Qualcomm Snapdragon 870
58/100 -200.0%
1010069 AnTuTu

Xiaomi 15 Ultra leads ZTE Axon 40 by 200.0% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Xiaomi 15 Ultra

$999

ZTE Axon 40

Price unknown

Detailed category analysis

performance

In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 (92/100 vs 61/100).

display

In the "display" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 (90/100 vs 73/100).

camera

In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 (87/100 vs 51/100).

battery

In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 (80/100 vs 52/100).

portability

In the "portability" category, the ZTE Axon 40 notably outperforms the Xiaomi 15 Ultra (53/100 vs 29/100).

Frequently asked questions

Which is better: the Xiaomi 15 Ultra or the ZTE Axon 40?

The Xiaomi 15 Ultra significantly outperforms the ZTE Axon 40 by 27 points (85/100 vs 58/100).

What is the rating of the Xiaomi 15 Ultra and the ZTE Axon 40?

The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the ZTE Axon 40 — 58/100.

Which has the better camera: the Xiaomi 15 Ultra or the ZTE Axon 40?

The Xiaomi 15 Ultra leads on camera score (87/100 vs 51/100).

Which is more powerful: the Xiaomi 15 Ultra or the ZTE Axon 40?

The Xiaomi 15 Ultra leads on performance (92/100 vs 61/100).

Should you choose the Xiaomi 15 Ultra over the ZTE Axon 40?

The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The ZTE Axon 40 is a better fit for active users.