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 70/100 (a 6-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 (3,077,585 vs 1,294,871).
Profile comparison
Category scores
Redmi K90
ZTE Axon 40 Ultra
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 1294871
- Better Geekbench Single: 3013 vs 1662
- Better Geekbench Multi: 9287 vs 4188
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 65W
- Higher performance (91/100 vs 68/100)
- Longer battery life (72/100 vs 52/100)
- Better display (82/100 vs 80/100)
- Better portability (55/100 vs 52/100)
What makes ZTE Axon 40 Ultra better?
- Better main camera: 64MP vs 50MP
- Lighter: 204g vs 206g
- Better camera (86/100 vs 58/100)
Comparison verdict
Comparing the Redmi K90 vs the ZTE Axon 40 Ultra, the Redmi K90 scores 6 points higher (76/100 vs 70/100). In the "performance" category, the Redmi K90 leads (91/100 vs 68/100). 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 (91/100 vs 68/100). 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).
Specs comparison
| Specification | Redmi K90 | ZTE Axon 40 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 3077585 | 1294871 | |
| Geekbench Single | 3013 | 1662 | |
| Geekbench Multi | 9287 | 4188 | |
| 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 | |
| Launch price | $401 | — |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
ZTE Axon 40 Ultra
- Main: 64MP f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
ZTE Axon 40 Ultra
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
ZTE Axon 40 Ultra
- 5000 mAh
- Wired: 65W
- No wireless charging
Overall performance score
We compared Redmi K90 and ZTE Axon 40 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 leads ZTE Axon 40 Ultra by 137.7% 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 Redmi K90 notably outperforms the ZTE Axon 40 Ultra (91/100 vs 68/100).
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).
Frequently asked questions
Which is better: the Redmi K90 or the ZTE Axon 40 Ultra?
The Redmi K90 edges out the ZTE Axon 40 Ultra by just 6 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 — 70/100.
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 (91/100 vs 68/100).
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.