Redmi K40 vs ZTE Axon 50 Ultra
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the ZTE Axon 50 Ultra (2023) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the ZTE Axon 50 Ultra leads — 73/100 vs 54/100 (a 19-point difference). Key differences: the ZTE Axon 50 Ultra has the bigger battery (5000 mAh vs 4520); the main camera is 48 MP vs 64 MP; the ZTE Axon 50 Ultra is faster in AnTuTu (1,420,808 vs 1,010,069); the Redmi K40 is thinner (7.8mm vs 8.9mm).
Profile comparison
Category scores
Redmi K40
ZTE Axon 50 Ultra
What makes Redmi K40 better?
- Lighter: 196g vs 199g
- Better portability (64/100 vs 50/100)
What makes ZTE Axon 50 Ultra better?
- Higher AnTuTu: 1420808 vs 1010069
- Better Geekbench Single: 1761 vs 1298
- Better Geekbench Multi: 4688 vs 3520
- Bigger battery: 5000 vs 4520 mAh
- Faster charging: 80W vs 33W
- Better main camera: 64MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (71/100 vs 61/100)
- Better camera (86/100 vs 36/100)
- Longer battery life (56/100 vs 42/100)
- Better display (89/100 vs 79/100)
Comparison verdict
Comparing the Redmi K40 vs the ZTE Axon 50 Ultra, the ZTE Axon 50 Ultra scores 19 points higher (73/100 vs 54/100). In the "performance" category, the ZTE Axon 50 Ultra leads (71/100 vs 61/100). In the "camera" category, the ZTE Axon 50 Ultra leads (86/100 vs 36/100). In the "battery" category, the ZTE Axon 50 Ultra leads (56/100 vs 42/100). In the "performance" category, the ZTE Axon 50 Ultra is a bit better (71/100 vs 61/100). In the "display" category, the ZTE Axon 50 Ultra is a bit better (89/100 vs 79/100). In the "camera" category, the ZTE Axon 50 Ultra significantly outperforms the Redmi K40 (86/100 vs 36/100). In the "battery" category, the ZTE Axon 50 Ultra is a bit better (56/100 vs 42/100). In the "portability" category, the Redmi K40 is a bit better (64/100 vs 50/100).
Specs comparison
| Specification | Redmi K40 | ZTE Axon 50 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 1010069 | 1420808 | |
| Geekbench Single | 1298 | 1761 | |
| Geekbench Multi | 3520 | 4688 | |
| Display | 6.7" AMOLED | 6.7" AMOLED | |
| Resolution | 2400x1080 | 1080x2400 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4520 mAh | 5000 mAh | |
| Charging | 33W | 80W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 11 | Android 12, MyOS 12 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP54 | |
| Dimensions | 163.7×76.4×7.8 mm | 161.8×73.1×8.9 mm | |
| Weight | 196 g | 199 g | |
| Launch price | $309 | — |
Camera comparison
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
ZTE Axon 50 Ultra
- Main: 64MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
ZTE Axon 50 Ultra
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Battery and charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
ZTE Axon 50 Ultra
- 5000 mAh
- Wired: 80W
- No wireless charging
Overall performance score
We compared Redmi K40 and ZTE Axon 50 Ultra, covering their specs and all relevant benchmarks.
ZTE Axon 50 Ultra leads Redmi K40 by 28.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
ZTE Axon 50 Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the ZTE Axon 50 Ultra is a bit better (71/100 vs 61/100).
display
In the "display" category, the ZTE Axon 50 Ultra is a bit better (89/100 vs 79/100).
camera
In the "camera" category, the ZTE Axon 50 Ultra significantly outperforms the Redmi K40 (86/100 vs 36/100).
battery
In the "battery" category, the ZTE Axon 50 Ultra is a bit better (56/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 is a bit better (64/100 vs 50/100).
Frequently asked questions
Which is better: the Redmi K40 or the ZTE Axon 50 Ultra?
The ZTE Axon 50 Ultra is noticeably better than the Redmi K40 — the overall rating gap is 19 points.
What is the rating of the Redmi K40 and the ZTE Axon 50 Ultra?
The Redmi K40 has a MobileRank rating of 54/100, the ZTE Axon 50 Ultra — 73/100.
Which has the better camera: the Redmi K40 or the ZTE Axon 50 Ultra?
The ZTE Axon 50 Ultra leads on camera score (86/100 vs 36/100).
Which is more powerful: the Redmi K40 or the ZTE Axon 50 Ultra?
The ZTE Axon 50 Ultra leads on performance (71/100 vs 61/100).
Should you choose the Redmi K40 over the ZTE Axon 50 Ultra?
The Redmi K40 is a better fit for active users. The ZTE Axon 50 Ultra is a better fit for active users, mobile photography enthusiasts.