Nothing Phone (3a) vs Xiaomi 15S Pro

The Nothing Phone (3a) (2025) runs on the Qualcomm Snapdragon 7s Gen 3, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; launch prices were $329 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 60/100 (a 24-point difference). Key differences: the Xiaomi 15S Pro has the bigger battery (6100 mAh vs 5000); the Xiaomi 15S Pro is faster in AnTuTu (2,998,904 vs 1,050,601).

The Xiaomi 15S Pro significantly outperforms the Nothing Phone (3a) by 24 points (84/100 vs 60/100).

Profile comparison

Category scores

Nothing Phone (3a)

Performance 60
Display 79
Camera 61
Battery 48
Portability 54
Value for money 56

Xiaomi 15S Pro

Performance 89
Display 90
Camera 78
Battery 77
Portability —
Value for money 82

What makes Nothing Phone (3a) better?

  • Cheaper at launch: $329 vs $760

  • Overall rating 60/100

What makes Xiaomi 15S Pro better?

  • Higher AnTuTu: 2998904 vs 1050601
  • Better Geekbench Single: 2746 vs 1161
  • Better Geekbench Multi: 8431 vs 3390
  • Bigger battery: 6100 vs 5000 mAh
  • Faster charging: 90W vs 45W

  • Higher performance (89/100 vs 60/100)
  • Better camera (78/100 vs 61/100)
  • Longer battery life (77/100 vs 48/100)
  • Better display (90/100 vs 79/100)

Comparison verdict

Comparing the Nothing Phone (3a) vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 24 points higher (84/100 vs 60/100). In the "performance" category, the Xiaomi 15S Pro leads (89/100 vs 60/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 61/100). In the "battery" category, the Xiaomi 15S Pro leads (77/100 vs 48/100). Value score: Nothing Phone (3a) — 56/100, Xiaomi 15S Pro — 82/100; 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 15S Pro notably outperforms the Nothing Phone (3a) (89/100 vs 60/100). In the "display" category, the Xiaomi 15S Pro is a bit better (90/100 vs 79/100). In the "camera" category, the Xiaomi 15S Pro notably outperforms the Nothing Phone (3a) (78/100 vs 61/100). In the "battery" category, the Xiaomi 15S Pro notably outperforms the Nothing Phone (3a) (77/100 vs 48/100).

Nothing Phone (3a): The Nothing Phone (3a) 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 Nothing Phone (3a) Xiaomi 15S Pro
Processor Qualcomm Snapdragon 7s Gen 3 Xiaomi XRING O1
AnTuTu 1050601 2998904
Geekbench Single 1161 2746
Geekbench Multi 3390 8431
Display 6.8" AMOLED 6.7" LTPO AMOLED
Resolution 2392x1080 3200x1440
Refresh rate 120 Hz 120 Hz
Battery 5000 mAh 6100 mAh
Charging 45W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 50 MP
Front camera 32 MP 32 MP
RAM 8GB / 12GB 16GB
Storage 128GB / 256GB 512GB / 1TB
OS Android 15 / Nothing OS 3.1 Android 15
Brightness (peak) 3000 nits —
NFC yes —
Protection IP54 —
Dimensions 163.5×77.5×8.4 mm —
Weight 201 g —
Launch price $329 $760

Camera comparison

Nothing Phone (3a)

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 32MP
61
camera

Xiaomi 15S Pro

  • Main: 50MP f/1.8
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Display comparison

Nothing Phone (3a)

  • 6.8" AMOLED
  • Resolution: 2392x1080
  • Refresh rate: 120 Hz
79
display

Xiaomi 15S Pro

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

Battery and charging

Nothing Phone (3a)

  • 5000 mAh
  • Wired: 45W
  • No wireless charging
48
battery

Xiaomi 15S Pro

  • 6100 mAh
  • Wired: 90W
  • Wireless charging: no data
77
battery

Overall performance score

We compared Nothing Phone (3a) and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.

Nothing Phone (3a) Qualcomm Snapdragon 7s Gen 3
60/100
1050601 AnTuTu
Xiaomi 15S Pro Xiaomi XRING O1
84/100 +65.0%
2998904 AnTuTu

Xiaomi 15S Pro leads Nothing Phone (3a) by 65.0% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Nothing Phone (3a)

$329

Xiaomi 15S Pro

$760

Launch price difference: $431. Nothing Phone (3a) was $431 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Xiaomi 15S Pro notably outperforms the Nothing Phone (3a) (89/100 vs 60/100).

display

In the "display" category, the Xiaomi 15S Pro is a bit better (90/100 vs 79/100).

camera

In the "camera" category, the Xiaomi 15S Pro notably outperforms the Nothing Phone (3a) (78/100 vs 61/100).

battery

In the "battery" category, the Xiaomi 15S Pro notably outperforms the Nothing Phone (3a) (77/100 vs 48/100).

Frequently asked questions

Which is better: the Nothing Phone (3a) or the Xiaomi 15S Pro?

The Xiaomi 15S Pro significantly outperforms the Nothing Phone (3a) by 24 points (84/100 vs 60/100).

What is the rating of the Nothing Phone (3a) and the Xiaomi 15S Pro?

The Nothing Phone (3a) has a MobileRank rating of 60/100, the Xiaomi 15S Pro — 84/100.

Which has the better camera: the Nothing Phone (3a) or the Xiaomi 15S Pro?

The Xiaomi 15S Pro leads on camera score (78/100 vs 61/100).

Which is more powerful: the Nothing Phone (3a) or the Xiaomi 15S Pro?

The Xiaomi 15S Pro leads on performance (89/100 vs 60/100).

Should you choose the Nothing Phone (3a) over the Xiaomi 15S Pro?

The Nothing Phone (3a) 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.