Nothing Phone (3a) Pro vs Xiaomi 15 Ultra
The Nothing Phone (3a) Pro (2025) runs on the Qualcomm Snapdragon 7s Gen 3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $459 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 61/100 (a 24-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,063,109); the Nothing Phone (3a) Pro is noticeably lighter (201g vs 225g).
Profile comparison
Category scores
Nothing Phone (3a) Pro
Xiaomi 15 Ultra
What makes Nothing Phone (3a) Pro better?
- Lighter: 201g vs 225g
- Cheaper at launch: $459 vs $999
- Better portability (54/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1063109
- Better Geekbench Single: 3050 vs 1161
- Better Geekbench Multi: 10200 vs 3390
- Bigger battery: 6000 vs 5000 mAh
- Faster charging: 90W vs 50W
- Higher performance (92/100 vs 60/100)
- Better camera (87/100 vs 64/100)
- Longer battery life (80/100 vs 49/100)
- Better display (90/100 vs 79/100)
Comparison verdict
Comparing the Nothing Phone (3a) Pro vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 24 points higher (85/100 vs 61/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 60/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 64/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 49/100). Value score: Nothing Phone (3a) Pro — 46/100, Xiaomi 15 Ultra — 80/100; 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 15 Ultra significantly outperforms the Nothing Phone (3a) Pro (92/100 vs 60/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100). In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (3a) Pro (87/100 vs 64/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Nothing Phone (3a) Pro (80/100 vs 49/100). In the "portability" category, the Nothing Phone (3a) Pro notably outperforms the Xiaomi 15 Ultra (54/100 vs 29/100).
Specs comparison
| Specification | Nothing Phone (3a) Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1063109 | 3030376 | |
| Geekbench Single | 1161 | 3050 | |
| Geekbench Multi | 3390 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2392x1080 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 6000 mAh | |
| Charging | 50W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB | 16GB | |
| Storage | 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 / Nothing OS 3.1 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 163.5×77.5×8.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 201 g | 225 g | |
| Launch price | $459 | $999 |
Camera comparison
Nothing Phone (3a) Pro
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Nothing Phone (3a) Pro
- 6.8" AMOLED
- Resolution: 2392x1080
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Nothing Phone (3a) Pro
- 5000 mAh
- Wired: 50W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Nothing Phone (3a) Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Nothing Phone (3a) Pro by 64.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $540. Nothing Phone (3a) Pro was $540 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Nothing Phone (3a) Pro (92/100 vs 60/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (3a) Pro (87/100 vs 64/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Nothing Phone (3a) Pro (80/100 vs 49/100).
portability
In the "portability" category, the Nothing Phone (3a) Pro notably outperforms the Xiaomi 15 Ultra (54/100 vs 29/100).
Frequently asked questions
Which is better: the Nothing Phone (3a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Nothing Phone (3a) Pro by 24 points (85/100 vs 61/100).
What is the rating of the Nothing Phone (3a) Pro and the Xiaomi 15 Ultra?
The Nothing Phone (3a) Pro has a MobileRank rating of 61/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Nothing Phone (3a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 64/100).
Which is more powerful: the Nothing Phone (3a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 60/100).
Should you choose the Nothing Phone (3a) Pro over the Xiaomi 15 Ultra?
The Nothing Phone (3a) Pro is a better fit for active users. 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.