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 — 34/100 vs 31/100 (a 3-point difference). Key differences: the Redmi K40 has the bigger battery (4520 mAh vs 4500); the main camera is 48 MP vs 64 MP.
Redmi K40
Vivo iQOO Z6 (China)
- Bigger battery: 4520 vs 4500 mAh
- Higher performance (8/100 vs 0/100)
- Better value for money (89/100 vs 55/100)
- Faster charging: 80W vs 33W
- Better main camera: 64MP vs 48MP
- Lighter: 194g vs 196g
- Better camera (34/100 vs 31/100)
- Longer battery life (39/100 vs 28/100)
- Better design/ergonomics (57/100 vs 55/100)
Comparing the Redmi K40 vs the Vivo iQOO Z6 (China), the Redmi K40 scores 3 points higher (34/100 vs 31/100). In the "battery" category, the Vivo iQOO Z6 (China) leads (39/100 vs 28/100). In the "value for money" category, the Redmi K40 leads (89/100 vs 55/100). In the "performance" category, the Redmi K40 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 K40 are nearly equal (34/100 vs 31/100). In the "battery" category, the Vivo iQOO Z6 (China) is a bit better (39/100 vs 28/100). In the "design" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (57/100 vs 55/100). In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z6 (China) (89/100 vs 55/100).
| Specification | Redmi K40 | Vivo iQOO Z6 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 778G+ 5G | |
| AnTuTu | 1010069 | — | |
| Geekbench Single | 1298 | — | |
| Geekbench Multi | 3520 | — | |
| 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) | — | 650 nits | |
| NFC | — | yes | |
| Dimensions | — | 164.0×75.8×8.6 mm | |
| Weight | 196 g | 194 g | |
| Price | $309 | — |
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z6 (China)
- Main: 64MP f/f/1.8
- Front: 8MP
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
Redmi K40
- 4520 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z6 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO Z6 (China)
Price unknownperformance
In the "performance" category, the Redmi K40 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 K40 are nearly equal (34/100 vs 31/100).
battery
In the "battery" category, the Vivo iQOO Z6 (China) is a bit better (39/100 vs 28/100).
design
In the "design" category, the Vivo iQOO Z6 (China) and the Redmi K40 are nearly equal (57/100 vs 55/100).
value for money
In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z6 (China) (89/100 vs 55/100).
Which is better: the Redmi K40 or the Vivo iQOO Z6 (China)?
The Redmi K40 edges out the Vivo iQOO Z6 (China) by just 3 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 34/100, the Vivo iQOO Z6 (China) — 31/100.
Which is more powerful: the Redmi K40 or the Vivo iQOO Z6 (China)?
The Redmi K40 leads on performance (8/100 vs 0/100).
Should you choose the Redmi K40 over the Vivo iQOO Z6 (China)?
The Redmi K40 is a better fit for budget-conscious buyers. The Vivo iQOO Z6 (China) is a better fit for everyday use.