Redmi K40 vs Vivo iQOO Z6 (China)
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo iQOO Z6 (China) (2022) runs on the Qualcomm Snapdragon 778G+ 5G. By overall MobileRank rating, the Redmi K40 leads — 54/100 vs 50/100 (a 4-point difference). Key differences: the Redmi K40 has the bigger battery (4520 mAh vs 4500); the main camera is 48 MP vs 64 MP; the Redmi K40 is faster in AnTuTu (1,010,069 vs 820,210).
Profile comparison
Category scores
Redmi K40
Vivo iQOO Z6 (China)
What makes Redmi K40 better?
- Higher AnTuTu: 1010069 vs 820210
- Better Geekbench Single: 1298 vs 1059
- Better Geekbench Multi: 3520 vs 3012
- Bigger battery: 4520 vs 4500 mAh
- Higher performance (61/100 vs 55/100)
- Better display (79/100 vs 66/100)
- Better portability (64/100 vs 56/100)
What makes Vivo iQOO Z6 (China) better?
- Faster charging: 80W vs 33W
- Better main camera: 64MP vs 48MP
- Lighter: 194g vs 196g
- Better camera (37/100 vs 36/100)
- Longer battery life (45/100 vs 42/100)
Comparison verdict
Comparing the Redmi K40 vs the Vivo iQOO Z6 (China), the Redmi K40 scores 4 points higher (54/100 vs 50/100). In the "performance" category, the Redmi K40 is a bit better (61/100 vs 55/100). In the "display" category, the Redmi K40 is a bit better (79/100 vs 66/100). In the "camera" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (37/100 vs 36/100). In the "battery" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (45/100 vs 42/100). In the "portability" category, the Redmi K40 is a bit better (64/100 vs 56/100).
Specs comparison
| Specification | Redmi K40 | Vivo iQOO Z6 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 1010069 | 820210 | |
| Geekbench Single | 1298 | 1059 | |
| Geekbench Multi | 3520 | 3012 | |
| Display | 6.7" AMOLED | 6.6" IPS LCD | |
| Resolution | 2400x1080 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 4500 mAh | |
| Charging | 33W | 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 11 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 1300 nits | 650 nits | |
| NFC | yes | yes | |
| Dimensions | 163.7×76.4×7.8 mm | 164.0×75.8×8.6 mm | |
| Weight | 196 g | 194 g | |
| Launch price | $309 | — |
Camera comparison
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z6 (China)
- Main: 64MP f/1.8
- Front: 8MP
Display comparison
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO Z6 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Battery and charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Vivo iQOO Z6 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Overall performance score
We compared Redmi K40 and Vivo iQOO Z6 (China), covering their specs and all relevant benchmarks.
Redmi K40 leads Vivo iQOO Z6 (China) by 23.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO Z6 (China)
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K40 is a bit better (61/100 vs 55/100).
display
In the "display" category, the Redmi K40 is a bit better (79/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (37/100 vs 36/100).
battery
In the "battery" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (45/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 is a bit better (64/100 vs 56/100).
Frequently asked questions
Which is better: the Redmi K40 or the Vivo iQOO Z6 (China)?
The Redmi K40 edges out the Vivo iQOO Z6 (China) by just 4 points — the two devices are very close in overall level.
What is the rating of the Redmi K40 and the Vivo iQOO Z6 (China)?
The Redmi K40 has a MobileRank rating of 54/100, the Vivo iQOO Z6 (China) — 50/100.
Which is more powerful: the Redmi K40 or the Vivo iQOO Z6 (China)?
The Redmi K40 leads on performance (61/100 vs 55/100).
Should you choose the Redmi K40 over the Vivo iQOO Z6 (China)?
The Redmi K40 is a better fit for active users.