Redmi K90 vs ZTE Axon 40 Ultra
The Redmi K90 (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 Redmi K90 leads — 76/100 vs 71/100 (a 5-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 1,290,942).
Redmi K90
ZTE Axon 40 Ultra
- Higher AnTuTu: 3088357 vs 1290942
- Better Geekbench Single: 3041 vs 1675
- Better Geekbench Multi: 9494 vs 4453
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 65W
- Higher performance (92/100 vs 69/100)
- Longer battery life (72/100 vs 52/100)
- Better display (82/100 vs 80/100)
- Better portability (55/100 vs 52/100)
- Better main camera: 64MP vs 50MP
- Lighter: 204g vs 206g
- Better camera (86/100 vs 58/100)
Comparing the Redmi K90 vs the ZTE Axon 40 Ultra, the Redmi K90 scores 5 points higher (76/100 vs 71/100). In the "performance" category, the Redmi K90 leads (92/100 vs 69/100). In the "camera" category, the ZTE Axon 40 Ultra leads (86/100 vs 58/100). In the "battery" category, the Redmi K90 leads (72/100 vs 52/100). In the "performance" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra (92/100 vs 69/100). In the "display" category, the Redmi K90 and the ZTE Axon 40 Ultra are nearly equal (82/100 vs 80/100). In the "camera" category, the ZTE Axon 40 Ultra notably outperforms the Redmi K90 (86/100 vs 58/100). In the "battery" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra (72/100 vs 52/100). In the "portability" category, the Redmi K90 and the ZTE Axon 40 Ultra are nearly equal (55/100 vs 52/100).
| Specification | Redmi K90 | ZTE Axon 40 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3088357 | 1290942 | |
| Geekbench Single | 3041 | 1675 | |
| Geekbench Multi | 9494 | 4453 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2510x1156 | 1116x2480 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 65W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 64 MP | |
| Telephoto | 50 MP | 64 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB | 128GB / 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 12, MyOS 12 | |
| Brightness (peak) | 3500 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 163.3×73.6×8.4 mm | |
| Weight | 206 g | 204 g | |
| Price | $401 | — |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
ZTE Axon 40 Ultra
- Main: 64MP f/f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
ZTE Axon 40 Ultra
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
ZTE Axon 40 Ultra
- 5000 mAh
- Wired: 65W
- No wireless charging
We compared Redmi K90 and ZTE Axon 40 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 leads ZTE Axon 40 Ultra by 139.2% in our overall performance rating.
ZTE Axon 40 Ultra
Price unknownperformance
In the "performance" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra (92/100 vs 69/100).
display
In the "display" category, the Redmi K90 and the ZTE Axon 40 Ultra are nearly equal (82/100 vs 80/100).
camera
In the "camera" category, the ZTE Axon 40 Ultra notably outperforms the Redmi K90 (86/100 vs 58/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra (72/100 vs 52/100).
portability
In the "portability" category, the Redmi K90 and the ZTE Axon 40 Ultra are nearly equal (55/100 vs 52/100).
Which is better: the Redmi K90 or the ZTE Axon 40 Ultra?
The Redmi K90 edges out the ZTE Axon 40 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the ZTE Axon 40 Ultra?
The Redmi K90 has a MobileRank rating of 76/100, the ZTE Axon 40 Ultra — 71/100.
Which has the better camera: the Redmi K90 or the ZTE Axon 40 Ultra?
The ZTE Axon 40 Ultra leads on camera score (86/100 vs 58/100).
Which is more powerful: the Redmi K90 or the ZTE Axon 40 Ultra?
The Redmi K90 leads on performance (92/100 vs 69/100).
Should you choose the Redmi K90 over the ZTE Axon 40 Ultra?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The ZTE Axon 40 Ultra is a better fit for active users, mobile photography enthusiasts.