Redmi K90 Ultra vs ZTE Axon 40
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the ZTE Axon 40 (2022) runs on the Qualcomm Snapdragon 870. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 58/100 (a 15-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,010,069); the ZTE Axon 40 is noticeably lighter (200g vs 227g).
Redmi K90 Ultra
ZTE Axon 40
- Higher AnTuTu: 3119308 vs 1010069
- Better Geekbench Single: 3041 vs 1298
- Better Geekbench Multi: 9494 vs 3520
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 61/100)
- Longer battery life (78/100 vs 52/100)
- Better display (94/100 vs 73/100)
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Better camera (51/100 vs 37/100)
- Better portability (53/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the ZTE Axon 40, the Redmi K90 Ultra scores 15 points higher (73/100 vs 58/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 61/100). In the "camera" category, the ZTE Axon 40 leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 52/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the ZTE Axon 40 (92/100 vs 61/100). In the "display" category, the Redmi K90 Ultra notably outperforms the ZTE Axon 40 (94/100 vs 73/100). In the "camera" category, the ZTE Axon 40 is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the ZTE Axon 40 (78/100 vs 52/100). In the "portability" category, the ZTE Axon 40 is a bit better (53/100 vs 40/100).
| Specification | Redmi K90 Ultra | ZTE Axon 40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 870 | |
| AnTuTu | 3119308 | 1010069 | |
| Geekbench Single | 3041 | 1298 | |
| Geekbench Multi | 9494 | 3520 | |
| Display | 6.8" AMOLED | 6.7" | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 44 MP | |
| RAM | 12GB / 16GB | — | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 12 Snow Cone | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 163.4×75.9×8.6 mm | |
| Weight | 227 g | 200 g | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
ZTE Axon 40
- Main: 64MP
- Ultrawide: 8MP
- Front: 44MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
ZTE Axon 40
- 6.7"
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
ZTE Axon 40
- 5000 mAh
- No wireless charging
We compared Redmi K90 Ultra and ZTE Axon 40, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads ZTE Axon 40 by 208.8% in our overall performance rating.
ZTE Axon 40
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the ZTE Axon 40 (92/100 vs 61/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the ZTE Axon 40 (94/100 vs 73/100).
camera
In the "camera" category, the ZTE Axon 40 is a bit better (51/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the ZTE Axon 40 (78/100 vs 52/100).
portability
In the "portability" category, the ZTE Axon 40 is a bit better (53/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the ZTE Axon 40?
The Redmi K90 Ultra is noticeably better than the ZTE Axon 40 — the overall rating gap is 15 points.
What is the rating of the Redmi K90 Ultra and the ZTE Axon 40?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the ZTE Axon 40 — 58/100.
Which has the better camera: the Redmi K90 Ultra or the ZTE Axon 40?
The ZTE Axon 40 leads on camera score (51/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the ZTE Axon 40?
The Redmi K90 Ultra leads on performance (92/100 vs 61/100).
Should you choose the Redmi K90 Ultra over the ZTE Axon 40?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The ZTE Axon 40 is a better fit for active users.