Redmi K40S vs Vivo iQOO Z6 (China)

The Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi K40S leads — 33/100 vs 31/100 (a 2-point difference). Key differences: the main camera is 48 MP vs 64 MP.

The Redmi K40S edges out the Vivo iQOO Z6 (China) by just 2 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K40S
Performance 8
Display 100
Camera 31
Battery 35
Design 56
Value for money 55
Vivo iQOO Z6 (China)
Performance 0
Display 100
Camera 34
Battery 39
Design 57
Value for money 55
What makes Redmi K40S better?

  • Higher performance (8/100 vs 0/100)
What makes Vivo iQOO Z6 (China) better?
  • Faster charging: 80W vs 67W
  • Better main camera: 64MP vs 48MP
  • Lighter: 194g vs 195g

  • Better camera (34/100 vs 31/100)
  • Longer battery life (39/100 vs 35/100)
  • Better design/ergonomics (57/100 vs 56/100)
Comparison verdict

Comparing the Redmi K40S vs the Vivo iQOO Z6 (China), the Redmi K40S scores 2 points higher (33/100 vs 31/100). In the "performance" category, the Redmi K40S is a bit better (8/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (34/100 vs 31/100). In the "battery" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (39/100 vs 35/100). In the "design" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (57/100 vs 56/100). In the "value for money" category, both devices are on the same level — 55/100.

Redmi K40S: The Redmi K40S is a better fit for everyday use.
Vivo iQOO Z6 (China): The Vivo iQOO Z6 (China) is a better fit for everyday use.
Specs comparison
Specification Redmi K40S Vivo iQOO Z6 (China)
Processor Qualcomm Snapdragon 870 5G Qualcomm Snapdragon 778G+ 5G
AnTuTu 1010069
Geekbench Single 1298
Geekbench Multi 3520
Display 6.7" AMOLED 6.6" IPS LCD
Resolution 1080x2400 1080x2388
Refresh rate 120 Hz 120 Hz
Battery 4500 mAh 4500 mAh
Charging 67W 80W
Main camera 48 MP 64 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 8 MP
RAM 6GB / 8GB / 12GB 8GB / 12GB
Storage 128GB / 256GB 128GB / 256GB
OS Android 12, MIUI 13 Android 12, Origin OS Ocean
Brightness (peak) 1300 nits 650 nits
NFC yes yes
Dimensions 163.2×76.0×7.7 mm 164.0×75.8×8.6 mm
Weight 195 g 194 g
Price
Camera comparison
Redmi K40S
  • Main: 48MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 20MP
31
camera
Vivo iQOO Z6 (China)
  • Main: 64MP f/f/1.8
  • Front: 8MP
34
camera
Display comparison
Redmi K40S
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
100
display
Vivo iQOO Z6 (China)
  • 6.6" IPS LCD
  • Resolution: 1080x2388
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K40S
  • 4500 mAh
  • Wired: 67W
  • No wireless charging
35
battery
Vivo iQOO Z6 (China)
  • 4500 mAh
  • Wired: 80W
  • No wireless charging
39
battery
Benchmarks
Detailed category analysis
performance

In the "performance" category, the Redmi K40S is a bit better (8/100 vs 0/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (34/100 vs 31/100).

battery

In the "battery" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (39/100 vs 35/100).

design

In the "design" category, the Vivo iQOO Z6 (China) and the Redmi K40S are nearly equal (57/100 vs 56/100).

value for money

In the "value for money" category, both devices are on the same level — 55/100.

Frequently asked questions
Which is better: the Redmi K40S or the Vivo iQOO Z6 (China)?

The Redmi K40S edges out the Vivo iQOO Z6 (China) by just 2 points — the two devices are very close in overall level.

What is the rating of the Redmi K40S and the Vivo iQOO Z6 (China)?

The Redmi K40S has a MobileRank rating of 33/100, the Vivo iQOO Z6 (China) — 31/100.

Which is more powerful: the Redmi K40S or the Vivo iQOO Z6 (China)?

The Redmi K40S leads on performance (8/100 vs 0/100).

Should you choose the Redmi K40S over the Vivo iQOO Z6 (China)?

The Redmi K40S is a better fit for everyday use. The Vivo iQOO Z6 (China) is a better fit for everyday use.