Redmi K40 vs ZTE Axon 40 Ultra
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the ZTE Axon 40 Ultra (2022) runs on the Qualcomm Snapdragon 8 Gen 1. By overall MobileRank rating, the ZTE Axon 40 Ultra leads — 70/100 vs 54/100 (a 16-point difference). Key differences: the ZTE Axon 40 Ultra has the bigger battery (5000 mAh vs 4520); the main camera is 48 MP vs 64 MP; the ZTE Axon 40 Ultra is faster in AnTuTu (1,294,871 vs 1,010,069).
Profile comparison
Category scores
Redmi K40
ZTE Axon 40 Ultra
What makes Redmi K40 better?
- Lighter: 196g vs 204g
- Better portability (64/100 vs 52/100)
What makes ZTE Axon 40 Ultra better?
- Higher AnTuTu: 1294871 vs 1010069
- Better Geekbench Single: 1662 vs 1298
- Better Geekbench Multi: 4188 vs 3520
- Bigger battery: 5000 vs 4520 mAh
- Faster charging: 65W vs 33W
- Better main camera: 64MP vs 48MP
- Higher performance (68/100 vs 61/100)
- Better camera (86/100 vs 36/100)
- Longer battery life (52/100 vs 42/100)
- Better display (80/100 vs 79/100)
Comparison verdict
Comparing the Redmi K40 vs the ZTE Axon 40 Ultra, the ZTE Axon 40 Ultra scores 16 points higher (70/100 vs 54/100). In the "camera" category, the ZTE Axon 40 Ultra leads (86/100 vs 36/100). In the "battery" category, the ZTE Axon 40 Ultra leads (52/100 vs 42/100). In the "performance" category, the ZTE Axon 40 Ultra is a bit better (68/100 vs 61/100). In the "display" category, the ZTE Axon 40 Ultra and the Redmi K40 are nearly equal (80/100 vs 79/100). In the "camera" category, the ZTE Axon 40 Ultra significantly outperforms the Redmi K40 (86/100 vs 36/100). In the "battery" category, the ZTE Axon 40 Ultra is a bit better (52/100 vs 42/100). In the "portability" category, the Redmi K40 is a bit better (64/100 vs 52/100).
Specs comparison
| Specification | Redmi K40 | ZTE Axon 40 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 8 Gen 1 | |
| AnTuTu | 1010069 | 1294871 | |
| Geekbench Single | 1298 | 1662 | |
| Geekbench Multi | 3520 | 4188 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1116x2480 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 5000 mAh | |
| Charging | 33W | 65W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 8 MP | 64 MP | |
| Telephoto | 0 MP | 64 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB | 8GB / 12GB / 16GB | |
| Storage | 128GB / 256GB | 128GB / 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 12, MyOS 12 | |
| Brightness (peak) | 1300 nits | 1500 nits | |
| NFC | yes | yes | |
| Dimensions | 163.7×76.4×7.8 mm | 163.3×73.6×8.4 mm | |
| Weight | 196 g | 204 g | |
| Launch price | $309 | — |
Camera comparison
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
ZTE Axon 40 Ultra
- Main: 64MP f/1.6
- Ultrawide: 64MP
- Telephoto: 64MP
- Front: 16MP
Display comparison
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
ZTE Axon 40 Ultra
- 6.8" AMOLED
- Resolution: 1116x2480
- Refresh rate: 120 Hz
Battery and charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
ZTE Axon 40 Ultra
- 5000 mAh
- Wired: 65W
- No wireless charging
Overall performance score
We compared Redmi K40 and ZTE Axon 40 Ultra, covering their specs and all relevant benchmarks.
ZTE Axon 40 Ultra leads Redmi K40 by 22.0% 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 ZTE Axon 40 Ultra is a bit better (68/100 vs 61/100).
display
In the "display" category, the ZTE Axon 40 Ultra and the Redmi K40 are nearly equal (80/100 vs 79/100).
camera
In the "camera" category, the ZTE Axon 40 Ultra significantly outperforms the Redmi K40 (86/100 vs 36/100).
battery
In the "battery" category, the ZTE Axon 40 Ultra is a bit better (52/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 is a bit better (64/100 vs 52/100).
Frequently asked questions
Which is better: the Redmi K40 or the ZTE Axon 40 Ultra?
The ZTE Axon 40 Ultra is noticeably better than the Redmi K40 — the overall rating gap is 16 points.
What is the rating of the Redmi K40 and the ZTE Axon 40 Ultra?
The Redmi K40 has a MobileRank rating of 54/100, the ZTE Axon 40 Ultra — 70/100.
Which has the better camera: the Redmi K40 or the ZTE Axon 40 Ultra?
The ZTE Axon 40 Ultra leads on camera score (86/100 vs 36/100).
Which is more powerful: the Redmi K40 or the ZTE Axon 40 Ultra?
The ZTE Axon 40 Ultra leads on performance (68/100 vs 61/100).
Should you choose the Redmi K40 over the ZTE Axon 40 Ultra?
The Redmi K40 is a better fit for active users. The ZTE Axon 40 Ultra is a better fit for active users, mobile photography enthusiasts.