Redmi K40 vs Vivo iQOO Z9 (India)
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo iQOO Z9 (India) (2024) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Redmi K40 leads — 34/100 vs 30/100 (a 4-point difference). Key differences: the Vivo iQOO Z9 (India) has the bigger battery (5000 mAh vs 4520); the main camera is 48 MP vs 50 MP.
Redmi K40
Vivo iQOO Z9 (India)
- Higher performance (8/100 vs 0/100)
- Better camera (31/100 vs 27/100)
- Better value for money (89/100 vs 55/100)
- Bigger battery: 5000 vs 4520 mAh
- Faster charging: 44W vs 33W
- Better main camera: 50MP vs 48MP
- Lighter: 188g vs 196g
- Longer battery life (42/100 vs 28/100)
- Better design/ergonomics (65/100 vs 55/100)
Comparing the Redmi K40 vs the Vivo iQOO Z9 (India), the Redmi K40 scores 4 points higher (34/100 vs 30/100). In the "battery" category, the Vivo iQOO Z9 (India) leads (42/100 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 Redmi K40 and the Vivo iQOO Z9 (India) are nearly equal (31/100 vs 27/100). In the "battery" category, the Vivo iQOO Z9 (India) is a bit better (42/100 vs 28/100). In the "design" category, the Vivo iQOO Z9 (India) is a bit better (65/100 vs 55/100). In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z9 (India) (89/100 vs 55/100).
| Specification | Redmi K40 | Vivo iQOO Z9 (India) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | MediaTek Dimensity 7200 | |
| AnTuTu | 1010069 | — | |
| Geekbench Single | 1298 | — | |
| Geekbench Multi | 3520 | — | |
| Display | 6.7" AMOLED | 6.7" AMOLED | |
| Resolution | 2400x1080 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 5000 mAh | |
| Charging | 33W | 44W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB | 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 11 | Android 14, Funtouch 14 | |
| Brightness (peak) | — | 1800 nits | |
| NFC | — | no | |
| Protection | — | IP54 | |
| Dimensions | — | 163.2×75.8×7.8 mm | |
| Weight | 196 g | 188 g | |
| Price | $309 | — |
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z9 (India)
- Main: 50MP f/f/1.8
- Front: 16MP
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo iQOO Z9 (India)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K40
- 4520 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z9 (India)
- 5000 mAh
- Wired: 44W
- No wireless charging
Vivo iQOO Z9 (India)
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 Redmi K40 and the Vivo iQOO Z9 (India) are nearly equal (31/100 vs 27/100).
battery
In the "battery" category, the Vivo iQOO Z9 (India) is a bit better (42/100 vs 28/100).
design
In the "design" category, the Vivo iQOO Z9 (India) is a bit better (65/100 vs 55/100).
value for money
In the "value for money" category, the Redmi K40 significantly outperforms the Vivo iQOO Z9 (India) (89/100 vs 55/100).
Which is better: the Redmi K40 or the Vivo iQOO Z9 (India)?
The Redmi K40 edges out the Vivo iQOO Z9 (India) 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 Z9 (India)?
The Redmi K40 has a MobileRank rating of 34/100, the Vivo iQOO Z9 (India) — 30/100.
Which is more powerful: the Redmi K40 or the Vivo iQOO Z9 (India)?
The Redmi K40 leads on performance (8/100 vs 0/100).
Should you choose the Redmi K40 over the Vivo iQOO Z9 (India)?
The Redmi K40 is a better fit for budget-conscious buyers. The Vivo iQOO Z9 (India) is a better fit for everyday use.