Xiaomi 15 Ultra vs ZTE Axon 40 Ultra
The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the ZTE Axon 40 Ultra (2022) runs on the Qualcomm Snapdragon 8 Gen 1. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 71/100 (a 14-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,290,942); the ZTE Axon 40 Ultra is noticeably lighter (204g vs 225g).
Xiaomi 15 Ultra
ZTE Axon 40 Ultra
- 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 65W
- Higher performance (92/100 vs 69/100)
- Better camera (87/100 vs 86/100)
- Longer battery life (80/100 vs 52/100)
- Better display (90/100 vs 80/100)
- Better main camera: 64MP vs 50MP
- Lighter: 204g vs 225g
- Better portability (52/100 vs 29/100)
Comparing the Xiaomi 15 Ultra vs the ZTE Axon 40 Ultra, the Xiaomi 15 Ultra scores 14 points higher (85/100 vs 71/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 69/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 52/100). In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 Ultra (92/100 vs 69/100). 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 and the ZTE Axon 40 Ultra are nearly equal (87/100 vs 86/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 Ultra (80/100 vs 52/100). In the "portability" category, the ZTE Axon 40 Ultra notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
| Specification | Xiaomi 15 Ultra | ZTE Axon 40 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3030376 | 1290942 | |
| Geekbench Single | 3050 | 1675 | |
| Geekbench Multi | 10200 | 4453 | |
| Display | 6.7" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 3200x1440 | 1116x2480 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 5000 mAh | |
| Charging | 90W | 65W | |
| Wireless charging | 50W | 0W | |
| DXOMark (camera) | 159 | — | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 50 MP | 64 MP | |
| Telephoto | 50 MP | 64 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 16GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB / 1TB | |
| OS | Android 15 / HyperOS 2 | Android 12, MyOS 12 | |
| Brightness (peak) | 3200 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 161.3×75.3×9.4 mm | 163.3×73.6×8.4 mm | |
| Weight | 225 g | 204 g | |
| Price | $999 | — |
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ZTE Axon 40 Ultra
- Main: 64MP f/f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
ZTE Axon 40 Ultra
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
ZTE Axon 40 Ultra
- 5000 mAh
- Wired: 65W
- No wireless charging
We compared Xiaomi 15 Ultra and ZTE Axon 40 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads ZTE Axon 40 Ultra by 134.7% in our overall performance rating.
ZTE Axon 40 Ultra
Price unknownperformance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 Ultra (92/100 vs 69/100).
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 and the ZTE Axon 40 Ultra are nearly equal (87/100 vs 86/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 Ultra (80/100 vs 52/100).
portability
In the "portability" category, the ZTE Axon 40 Ultra notably outperforms the Xiaomi 15 Ultra (52/100 vs 29/100).
Which is better: the Xiaomi 15 Ultra or the ZTE Axon 40 Ultra?
The Xiaomi 15 Ultra is noticeably better than the ZTE Axon 40 Ultra — the overall rating gap is 14 points.
What is the rating of the Xiaomi 15 Ultra and the ZTE Axon 40 Ultra?
The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the ZTE Axon 40 Ultra — 71/100.
Which is more powerful: the Xiaomi 15 Ultra or the ZTE Axon 40 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 69/100).
Should you choose the Xiaomi 15 Ultra over the ZTE Axon 40 Ultra?
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. The ZTE Axon 40 Ultra is a better fit for active users, mobile photography enthusiasts.