Nothing Phone (4a) Pro vs Xiaomi 15 Ultra
The Nothing Phone (4a) Pro (2026) runs on the Qualcomm Snapdragon 7s Gen 4, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $449 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 67/100 (a 18-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5200); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,405,881); the Nothing Phone (4a) Pro is noticeably lighter (195g vs 225g).
Nothing Phone (4a) Pro
Xiaomi 15 Ultra
- Lighter: 195g vs 225g
- Cheaper: $449 vs $999
- Better portability (62/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 1405881
- Better Geekbench Single: 3050 vs 1237
- Better Geekbench Multi: 10200 vs 3281
- Bigger battery: 6000 vs 5200 mAh
- Faster charging: 90W vs 45W
- Higher performance (92/100 vs 64/100)
- Better camera (87/100 vs 78/100)
- Longer battery life (80/100 vs 53/100)
- Better display (90/100 vs 80/100)
- Better value for money (82/100 vs 66/100)
Comparing the Nothing Phone (4a) Pro vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 18 points higher (85/100 vs 67/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 64/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 53/100). In the "value for money" category, the Xiaomi 15 Ultra leads (82/100 vs 66/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (92/100 vs 64/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 80/100). In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 78/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (80/100 vs 53/100). In the "portability" category, the Nothing Phone (4a) Pro significantly outperforms the Xiaomi 15 Ultra (62/100 vs 29/100). In the "value for money" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (82/100 vs 66/100).
| Specification | Nothing Phone (4a) Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1405881 | 3030376 | |
| Geekbench Single | 1237 | 3050 | |
| Geekbench Multi | 3281 | 10200 | |
| Display | 6.7" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2412x1080 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 6000 mAh | |
| Charging | 45W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 5000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP68 | |
| Dimensions | 163.7×76.6×8.0 mm | 161.3×75.3×9.4 mm | |
| Weight | 195 g | 225 g | |
| Price | $449 | $999 |
Nothing Phone (4a) Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Nothing Phone (4a) Pro
- 6.7" AMOLED
- Resolution: 2412x1080
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Nothing Phone (4a) Pro
- 5200 mAh
- Wired: 45W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Nothing Phone (4a) Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Nothing Phone (4a) Pro by 53.6% in our overall performance rating.
Price difference: $550. Nothing Phone (4a) Pro is cheaper by $550.
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (92/100 vs 64/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 80/100).
camera
In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 78/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (80/100 vs 53/100).
portability
In the "portability" category, the Nothing Phone (4a) Pro significantly outperforms the Xiaomi 15 Ultra (62/100 vs 29/100).
value for money
In the "value for money" category, the Xiaomi 15 Ultra notably outperforms the Nothing Phone (4a) Pro (82/100 vs 66/100).
Which is better: the Nothing Phone (4a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Nothing Phone (4a) Pro — the overall rating gap is 18 points.
What is the rating of the Nothing Phone (4a) Pro and the Xiaomi 15 Ultra?
The Nothing Phone (4a) Pro has a MobileRank rating of 67/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Nothing Phone (4a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 78/100).
Which is more powerful: the Nothing Phone (4a) Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 64/100).
Should you choose the Nothing Phone (4a) Pro over the Xiaomi 15 Ultra?
The Nothing Phone (4a) 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.