Redmi K40S vs Vivo iQOO Z9 (India)
The Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G, while the Vivo iQOO Z9 (India) (2024) runs on the MediaTek Dimensity 7200. By overall MobileRank rating, the Redmi K40S leads — 54/100 vs 53/100 (a 1-point difference). Key differences: the Vivo iQOO Z9 (India) has the bigger battery (5000 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Redmi K40S is faster in AnTuTu (1,010,069 vs 971,424); the Redmi K40S has NFC for contactless payments, the Vivo iQOO Z9 (India) doesn't.
Profile comparison
Category scores
Redmi K40S
Vivo iQOO Z9 (India)
What makes Redmi K40S better?
- Higher AnTuTu: 1010069 vs 971424
- Better Geekbench Single: 1298 vs 1167
- Better Geekbench Multi: 3520 vs 2577
- Faster charging: 67W vs 44W
- Higher performance (61/100 vs 57/100)
- Better camera (36/100 vs 32/100)
What makes Vivo iQOO Z9 (India) better?
- Bigger battery: 5000 vs 4500 mAh
- Better main camera: 50MP vs 48MP
- Lighter: 188g vs 195g
- Longer battery life (48/100 vs 42/100)
- Better portability (68/100 vs 65/100)
Comparison verdict
Comparing the Redmi K40S vs the Vivo iQOO Z9 (India), the Redmi K40S scores 1 points higher (54/100 vs 53/100). In the "performance" category, the Redmi K40S and the Vivo iQOO Z9 (India) are nearly equal (61/100 vs 57/100). In the "display" category, both devices are on the same level — 79/100. In the "camera" category, the Redmi K40S and the Vivo iQOO Z9 (India) are nearly equal (36/100 vs 32/100). In the "battery" category, the Vivo iQOO Z9 (India) is a bit better (48/100 vs 42/100). In the "portability" category, the Vivo iQOO Z9 (India) and the Redmi K40S are nearly equal (68/100 vs 65/100).
Specs comparison
| Specification | Redmi K40S | Vivo iQOO Z9 (India) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 5G | MediaTek Dimensity 7200 | |
| AnTuTu | 1010069 | 971424 | |
| Geekbench Single | 1298 | 1167 | |
| Geekbench Multi | 3520 | 2577 | |
| Display | 6.7" AMOLED | 6.7" AMOLED | |
| Resolution | 1080x2400 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 5000 mAh | |
| Charging | 67W | 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 12, MIUI 13 | Android 14, Funtouch 14 | |
| Brightness (peak) | 1300 nits | 1800 nits | |
| NFC | yes | no | |
| Protection | — | IP54 | |
| Dimensions | 163.2×76.0×7.7 mm | 163.2×75.8×7.8 mm | |
| Weight | 195 g | 188 g | |
| Launch price | — | — |
Camera comparison
Redmi K40S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO Z9 (India)
- Main: 50MP f/1.8
- Front: 16MP
Display comparison
Redmi K40S
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO Z9 (India)
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K40S
- 4500 mAh
- Wired: 67W
- No wireless charging
Vivo iQOO Z9 (India)
- 5000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi K40S and Vivo iQOO Z9 (India), covering their specs and all relevant benchmarks.
Redmi K40S leads Vivo iQOO Z9 (India) by 4.0% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the Redmi K40S and the Vivo iQOO Z9 (India) are nearly equal (61/100 vs 57/100).
display
In the "display" category, both devices are on the same level — 79/100.
camera
In the "camera" category, the Redmi K40S and the Vivo iQOO Z9 (India) are nearly equal (36/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO Z9 (India) is a bit better (48/100 vs 42/100).
portability
In the "portability" category, the Vivo iQOO Z9 (India) and the Redmi K40S are nearly equal (68/100 vs 65/100).
Frequently asked questions
Which is better: the Redmi K40S or the Vivo iQOO Z9 (India)?
The Redmi K40S edges out the Vivo iQOO Z9 (India) by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K40S and the Vivo iQOO Z9 (India)?
The Redmi K40S has a MobileRank rating of 54/100, the Vivo iQOO Z9 (India) — 53/100.
Should you choose the Redmi K40S over the Vivo iQOO Z9 (India)?
The Redmi K40S is a better fit for active users.