Redmi K90 vs ZTE Axon 40 Ultra Space Edition
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the ZTE Axon 40 Ultra Space Edition (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 Space Edition
- 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 80W
- Higher performance (92/100 vs 69/100)
- Longer battery life (72/100 vs 56/100)
- 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 Space Edition, 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 Space Edition leads (86/100 vs 58/100). In the "battery" category, the Redmi K90 leads (72/100 vs 56/100). In the "performance" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra Space Edition (92/100 vs 69/100). In the "display" category, the Redmi K90 and the ZTE Axon 40 Ultra Space Edition are nearly equal (82/100 vs 80/100). In the "camera" category, the ZTE Axon 40 Ultra Space Edition notably outperforms the Redmi K90 (86/100 vs 58/100). In the "battery" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra Space Edition (72/100 vs 56/100). In the "portability" category, the Redmi K90 and the ZTE Axon 40 Ultra Space Edition are nearly equal (55/100 vs 52/100).
| Specification | Redmi K90 | ZTE Axon 40 Ultra Space Edition | |
|---|---|---|---|
| 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 | 80W | |
| 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 | 12GB / 18GB | |
| Storage | 256GB / 512GB | 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 Space Edition
- 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 Space Edition
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
ZTE Axon 40 Ultra Space Edition
- 5000 mAh
- Wired: 80W
- No wireless charging
We compared Redmi K90 and ZTE Axon 40 Ultra Space Edition, covering their specs and all relevant benchmarks.
Redmi K90 leads ZTE Axon 40 Ultra Space Edition by 139.2% in our overall performance rating.
ZTE Axon 40 Ultra Space Edition
Price unknownperformance
In the "performance" category, the Redmi K90 notably outperforms the ZTE Axon 40 Ultra Space Edition (92/100 vs 69/100).
display
In the "display" category, the Redmi K90 and the ZTE Axon 40 Ultra Space Edition are nearly equal (82/100 vs 80/100).
camera
In the "camera" category, the ZTE Axon 40 Ultra Space Edition 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 Space Edition (72/100 vs 56/100).
portability
In the "portability" category, the Redmi K90 and the ZTE Axon 40 Ultra Space Edition are nearly equal (55/100 vs 52/100).
Which is better: the Redmi K90 or the ZTE Axon 40 Ultra Space Edition?
The Redmi K90 edges out the ZTE Axon 40 Ultra Space Edition 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 Space Edition?
The Redmi K90 has a MobileRank rating of 76/100, the ZTE Axon 40 Ultra Space Edition — 71/100.
Which has the better camera: the Redmi K90 or the ZTE Axon 40 Ultra Space Edition?
The ZTE Axon 40 Ultra Space Edition leads on camera score (86/100 vs 58/100).
Which is more powerful: the Redmi K90 or the ZTE Axon 40 Ultra Space Edition?
The Redmi K90 leads on performance (92/100 vs 69/100).
Should you choose the Redmi K90 over the ZTE Axon 40 Ultra Space Edition?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The ZTE Axon 40 Ultra Space Edition is a better fit for active users, mobile photography enthusiasts.