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 70/100 (a 15-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 1,294,871); the ZTE Axon 40 Ultra is noticeably lighter (204g vs 225g).
Profile comparison
Category scores
Xiaomi 15 Ultra
ZTE Axon 40 Ultra
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1294871
- Better Geekbench Single: 3050 vs 1662
- Better Geekbench Multi: 10200 vs 4188
- Bigger battery: 6000 vs 5000 mAh
- Faster charging: 90W vs 65W
- Higher performance (92/100 vs 68/100)
- Better camera (87/100 vs 86/100)
- Longer battery life (80/100 vs 52/100)
- Better display (90/100 vs 80/100)
What makes ZTE Axon 40 Ultra better?
- Better main camera: 64MP vs 50MP
- Lighter: 204g vs 225g
- Better portability (52/100 vs 29/100)
Comparison verdict
Comparing the Xiaomi 15 Ultra vs the ZTE Axon 40 Ultra, the Xiaomi 15 Ultra scores 15 points higher (85/100 vs 70/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 68/100). 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 68/100). 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).
Specs comparison
| Specification | Xiaomi 15 Ultra | ZTE Axon 40 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3030376 | 1294871 | |
| Geekbench Single | 3050 | 1662 | |
| Geekbench Multi | 10200 | 4188 | |
| 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 | |
| Launch price | $999 | — |
Camera comparison
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
ZTE Axon 40 Ultra
- Main: 64MP f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Display comparison
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
Battery and charging
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
Overall performance score
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 134.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ZTE Axon 40 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the ZTE Axon 40 Ultra (92/100 vs 68/100).
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).
Frequently asked questions
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 15 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 — 70/100.
Which is more powerful: the Xiaomi 15 Ultra or the ZTE Axon 40 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 68/100).
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.