Redmi 15 4G vs ZTE Axon 40 Ultra Space Edition
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the ZTE Axon 40 Ultra Space Edition (2022) runs on the Qualcomm Snapdragon 8 Gen 1. By overall MobileRank rating, the ZTE Axon 40 Ultra Space Edition leads — 71/100 vs 42/100 (a 29-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 64 MP; the ZTE Axon 40 Ultra Space Edition is faster in AnTuTu (1,290,942 vs 467,392); the ZTE Axon 40 Ultra Space Edition is noticeably lighter (204g vs 224g).
Redmi 15 4G
ZTE Axon 40 Ultra Space Edition
- Bigger battery: 7000 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Longer battery life (58/100 vs 56/100)
- Higher AnTuTu: 1290942 vs 467392
- Better Geekbench Single: 1675 vs 466
- Better Geekbench Multi: 4453 vs 1396
- Faster charging: 80W vs 33W
- Better main camera: 64MP vs 50MP
- Lighter: 204g vs 224g
- Higher performance (69/100 vs 33/100)
- Better camera (86/100 vs 30/100)
- Better display (80/100 vs 74/100)
- Better portability (52/100 vs 39/100)
Comparing the Redmi 15 4G vs the ZTE Axon 40 Ultra Space Edition, the ZTE Axon 40 Ultra Space Edition scores 29 points higher (71/100 vs 42/100). In the "performance" category, the ZTE Axon 40 Ultra Space Edition leads (69/100 vs 33/100). In the "camera" category, the ZTE Axon 40 Ultra Space Edition leads (86/100 vs 30/100). In the "performance" category, the ZTE Axon 40 Ultra Space Edition significantly outperforms the Redmi 15 4G (69/100 vs 33/100). In the "display" category, the ZTE Axon 40 Ultra Space Edition is a bit better (80/100 vs 74/100). In the "camera" category, the ZTE Axon 40 Ultra Space Edition significantly outperforms the Redmi 15 4G (86/100 vs 30/100). In the "battery" category, the Redmi 15 4G and the ZTE Axon 40 Ultra Space Edition are nearly equal (58/100 vs 56/100). In the "portability" category, the ZTE Axon 40 Ultra Space Edition is a bit better (52/100 vs 39/100).
| Specification | Redmi 15 4G | ZTE Axon 40 Ultra Space Edition | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 467392 | 1290942 | |
| Geekbench Single | 466 | 1675 | |
| Geekbench Multi | 1396 | 4453 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2340 | 1116x2480 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 33W | 80W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 0 MP | 64 MP | |
| Telephoto | 0 MP | 64 MP | |
| Front camera | 8 MP | 16 MP | |
| RAM | 4GB / 6GB / 8GB | 12GB / 18GB | |
| Storage | 128GB / 256GB | 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 12, MyOS 12 | |
| Brightness (peak) | — | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | — | |
| Dimensions | 171.1×82.1×8.6 mm | 163.3×73.6×8.4 mm | |
| Weight | 224 g | 204 g | |
| Launch price | — | — |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
ZTE Axon 40 Ultra Space Edition
- Main: 64MP f/f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
ZTE Axon 40 Ultra Space Edition
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
ZTE Axon 40 Ultra Space Edition
- 5000 mAh
- Wired: 80W
- No wireless charging
We compared Redmi 15 4G and ZTE Axon 40 Ultra Space Edition, covering their specs and all relevant benchmarks.
ZTE Axon 40 Ultra Space Edition leads Redmi 15 4G by 63.8% in our overall performance rating.
performance
In the "performance" category, the ZTE Axon 40 Ultra Space Edition significantly outperforms the Redmi 15 4G (69/100 vs 33/100).
display
In the "display" category, the ZTE Axon 40 Ultra Space Edition is a bit better (80/100 vs 74/100).
camera
In the "camera" category, the ZTE Axon 40 Ultra Space Edition significantly outperforms the Redmi 15 4G (86/100 vs 30/100).
battery
In the "battery" category, the Redmi 15 4G and the ZTE Axon 40 Ultra Space Edition are nearly equal (58/100 vs 56/100).
portability
In the "portability" category, the ZTE Axon 40 Ultra Space Edition is a bit better (52/100 vs 39/100).
Which is better: the Redmi 15 4G or the ZTE Axon 40 Ultra Space Edition?
The ZTE Axon 40 Ultra Space Edition significantly outperforms the Redmi 15 4G by 29 points (71/100 vs 42/100).
What is the rating of the Redmi 15 4G and the ZTE Axon 40 Ultra Space Edition?
The Redmi 15 4G has a MobileRank rating of 42/100, the ZTE Axon 40 Ultra Space Edition — 71/100.
Which has the better camera: the Redmi 15 4G or the ZTE Axon 40 Ultra Space Edition?
The ZTE Axon 40 Ultra Space Edition leads on camera score (86/100 vs 30/100).
Which is more powerful: the Redmi 15 4G or the ZTE Axon 40 Ultra Space Edition?
The ZTE Axon 40 Ultra Space Edition leads on performance (69/100 vs 33/100).
Should you choose the Redmi 15 4G over the ZTE Axon 40 Ultra Space Edition?
The Redmi 15 4G is a better fit for everyday use. The ZTE Axon 40 Ultra Space Edition is a better fit for active users, mobile photography enthusiasts.