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 (1,425,446 vs 1,010,069).

The ZTE Axon 50 Ultra is noticeably better than the Redmi K40 — the overall rating gap is 19 points.
Profile comparison
Category scores
Redmi K40
Performance 61
Display 79
Camera 36
Battery 42
Portability 64
Value for money
ZTE Axon 50 Ultra
Performance 71
Display 89
Camera 86
Battery 56
Portability 50
Value for money
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: 1425446 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).

Redmi K40: The Redmi K40 is a better fit for active users.
ZTE Axon 50 Ultra: The ZTE Axon 50 Ultra is a better fit for active users, mobile photography enthusiasts.
Specs comparison
Specification Redmi K40 ZTE Axon 50 Ultra
Processor Qualcomm Snapdragon 870 Qualcomm Snapdragon 8+ Gen 1
AnTuTu 1010069 1425446
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
NFC yes
Protection IP54
Dimensions 161.8×73.1×8.9 mm
Weight 196 g 199 g
Price $309
Camera comparison
Redmi K40
  • Main: 48MP f/1.79
  • Ultrawide: 8MP
  • Front: 20MP
36
camera
ZTE Axon 50 Ultra
  • Main: 64MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
86
camera
Display comparison
Redmi K40
  • 6.7" AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 120 Hz
79
display
ZTE Axon 50 Ultra
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 144 Hz
89
display
Battery and charging
Redmi K40
  • 4520 mAh
  • Wired: 33W
  • Wireless charging: no data
42
battery
ZTE Axon 50 Ultra
  • 5000 mAh
  • Wired: 80W
  • No wireless charging
56
battery
Overall performance score

We compared Redmi K40 and ZTE Axon 50 Ultra, covering their specs and all relevant benchmarks.

Redmi K40 Qualcomm Snapdragon 870
54/100
1010069 AnTuTu
ZTE Axon 50 Ultra Qualcomm Snapdragon 8+ Gen 1
73/100 +29.1%
1425446 AnTuTu

ZTE Axon 50 Ultra leads Redmi K40 by 29.1% in our overall performance rating.

Benchmarks
Price and availability
Redmi K40
$309
ZTE Axon 50 Ultra
Price unknown
Detailed 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.