Nubia Z40 Pro vs Xiaomi 15 Ultra
The Nubia Z40 Pro (2022) runs on the Qualcomm Snapdragon 8 Gen 1, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. 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 5000); the main camera is 64 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,290,942); the Nubia Z40 Pro is noticeably lighter (199g vs 225g).
Nubia Z40 Pro
Xiaomi 15 Ultra
- Better main camera: 64MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 199g vs 225g
- Better portability (55/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 1290942
- Better Geekbench Single: 3050 vs 1675
- Better Geekbench Multi: 10200 vs 4453
- Bigger battery: 6000 vs 5000 mAh
- Faster charging: 90W vs 80W
- Higher performance (92/100 vs 69/100)
- Better camera (87/100 vs 63/100)
- Longer battery life (80/100 vs 56/100)
- Better display (90/100 vs 89/100)
Comparing the Nubia Z40 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 69/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 63/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 56/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (92/100 vs 69/100). In the "display" category, the Xiaomi 15 Ultra and the Nubia Z40 Pro are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (87/100 vs 63/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (80/100 vs 56/100). In the "portability" category, the Nubia Z40 Pro notably outperforms the Xiaomi 15 Ultra (55/100 vs 29/100).
| Specification | Nubia Z40 Pro | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 1 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1290942 | 3030376 | |
| Geekbench Single | 1675 | 3050 | |
| Geekbench Multi | 4453 | 10200 | |
| Display | 6.7" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5000 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| 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 / 16GB | 16GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 12, MyOS 12 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 161.9×72.9×8.4 mm | 161.3×75.3×9.4 mm | |
| Weight | 199 g | 225 g | |
| Price | — | $999 |
Nubia Z40 Pro
- Main: 64MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 8MP
- Front: 16MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Nubia Z40 Pro
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Nubia Z40 Pro
- 5000 mAh
- Wired: 80W
- 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 Nubia Z40 Pro and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Nubia Z40 Pro by 57.4% in our overall performance rating.
Nubia Z40 Pro
Price unknownperformance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (92/100 vs 69/100).
display
In the "display" category, the Xiaomi 15 Ultra and the Nubia Z40 Pro are nearly equal (90/100 vs 89/100).
camera
In the "camera" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (87/100 vs 63/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Nubia Z40 Pro (80/100 vs 56/100).
portability
In the "portability" category, the Nubia Z40 Pro notably outperforms the Xiaomi 15 Ultra (55/100 vs 29/100).
Which is better: the Nubia Z40 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Nubia Z40 Pro — the overall rating gap is 18 points.
What is the rating of the Nubia Z40 Pro and the Xiaomi 15 Ultra?
The Nubia Z40 Pro has a MobileRank rating of 67/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Nubia Z40 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 63/100).
Which is more powerful: the Nubia Z40 Pro or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 69/100).
Should you choose the Nubia Z40 Pro over the Xiaomi 15 Ultra?
The Nubia Z40 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.