Nubia Z40S Pro vs Xiaomi 15S Pro

The Nubia Z40S Pro (2022) runs on the Qualcomm Snapdragon 8+ Gen 1, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 69/100 (a 15-point difference). Key differences: the Xiaomi 15S Pro has the bigger battery (6100 mAh vs 5000); the main camera is 64 MP vs 50 MP; the Xiaomi 15S Pro is faster in AnTuTu (2,998,904 vs 1,425,446).

The Xiaomi 15S Pro is noticeably better than the Nubia Z40S Pro — the overall rating gap is 15 points.
Profile comparison
Category scores
Nubia Z40S Pro
Performance 71
Display 89
Camera 63
Battery 64
Portability 54
Value for money
Xiaomi 15S Pro
Performance 89
Display 90
Camera 78
Battery 77
Portability
Value for money 80
What makes Nubia Z40S Pro better?
  • Better main camera: 64MP vs 50MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Overall rating 69/100
What makes Xiaomi 15S Pro better?
  • Higher AnTuTu: 2998904 vs 1425446
  • Better Geekbench Single: 2746 vs 1761
  • Better Geekbench Multi: 8431 vs 4688
  • Bigger battery: 6100 vs 5000 mAh
  • Faster charging: 90W vs 80W

  • Higher performance (89/100 vs 71/100)
  • Better camera (78/100 vs 63/100)
  • Longer battery life (77/100 vs 64/100)
  • Better display (90/100 vs 89/100)
Comparison verdict

Comparing the Nubia Z40S Pro vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 15 points higher (84/100 vs 69/100). In the "performance" category, the Xiaomi 15S Pro leads (89/100 vs 71/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 63/100). In the "battery" category, the Xiaomi 15S Pro leads (77/100 vs 64/100). In the "performance" category, the Xiaomi 15S Pro notably outperforms the Nubia Z40S Pro (89/100 vs 71/100). In the "display" category, the Xiaomi 15S Pro and the Nubia Z40S Pro are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15S Pro notably outperforms the Nubia Z40S Pro (78/100 vs 63/100). In the "battery" category, the Xiaomi 15S Pro is a bit better (77/100 vs 64/100).

Nubia Z40S Pro: The Nubia Z40S Pro is a better fit for active users.
Xiaomi 15S Pro: The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Nubia Z40S Pro Xiaomi 15S Pro
Processor Qualcomm Snapdragon 8+ Gen 1 Xiaomi XRING O1
AnTuTu 1425446 2998904
Geekbench Single 1761 2746
Geekbench Multi 4688 8431
Display 6.7" AMOLED 6.7" LTPO AMOLED
Resolution 1080x2400 3200x1440
Refresh rate 144 Hz 120 Hz
Battery 5000 mAh 6100 mAh
Charging 80W 90W
Wireless charging 15W
Main camera 64 MP 50 MP
Ultrawide 50 MP 50 MP
Telephoto 8 MP 50 MP
Front camera 16 MP 32 MP
RAM 8GB / 12GB / 18GB 16GB
Storage 128GB / 256GB / 512GB / 1TB 512GB / 1TB
OS Android 12, MyOS 12 Android 15
Brightness (peak) 1000 nits
NFC yes
Dimensions 161.3×74.0×8.1 mm
Weight 205 g
Launch price $760
Camera comparison
Nubia Z40S Pro
  • Main: 64MP f/f/1.6
  • Ultrawide: 50MP
  • Telephoto: 8MP
  • Front: 16MP
63
camera
Xiaomi 15S Pro
  • Main: 50MP f/f/1.8
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Nubia Z40S Pro
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 144 Hz
89
display
Xiaomi 15S Pro
  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
90
display
Battery and charging
Nubia Z40S Pro
  • 5000 mAh
  • Wired: 80W
  • Wireless: 15W
64
battery
Xiaomi 15S Pro
  • 6100 mAh
  • Wired: 90W
  • Wireless charging: no data
77
battery
Overall performance score

We compared Nubia Z40S Pro and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.

Nubia Z40S Pro Qualcomm Snapdragon 8+ Gen 1
69/100
1425446 AnTuTu
Xiaomi 15S Pro Xiaomi XRING O1
84/100 +52.5%
2998904 AnTuTu

Xiaomi 15S Pro leads Nubia Z40S Pro by 52.5% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Nubia Z40S Pro
Price unknown
Xiaomi 15S Pro
$760
Detailed category analysis
performance

In the "performance" category, the Xiaomi 15S Pro notably outperforms the Nubia Z40S Pro (89/100 vs 71/100).

display

In the "display" category, the Xiaomi 15S Pro and the Nubia Z40S Pro are nearly equal (90/100 vs 89/100).

camera

In the "camera" category, the Xiaomi 15S Pro notably outperforms the Nubia Z40S Pro (78/100 vs 63/100).

battery

In the "battery" category, the Xiaomi 15S Pro is a bit better (77/100 vs 64/100).

Frequently asked questions
Which is better: the Nubia Z40S Pro or the Xiaomi 15S Pro?

The Xiaomi 15S Pro is noticeably better than the Nubia Z40S Pro — the overall rating gap is 15 points.

What is the rating of the Nubia Z40S Pro and the Xiaomi 15S Pro?

The Nubia Z40S Pro has a MobileRank rating of 69/100, the Xiaomi 15S Pro — 84/100.

Which has the better camera: the Nubia Z40S Pro or the Xiaomi 15S Pro?

The Xiaomi 15S Pro leads on camera score (78/100 vs 63/100).

Which is more powerful: the Nubia Z40S Pro or the Xiaomi 15S Pro?

The Xiaomi 15S Pro leads on performance (89/100 vs 71/100).

Should you choose the Nubia Z40S Pro over the Xiaomi 15S Pro?

The Nubia Z40S Pro is a better fit for active users. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.