Redmi K40S vs Vivo S15
The Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G, while the Vivo S15 (2022) runs on the Qualcomm Snapdragon 870 5G. By overall MobileRank rating, the Vivo S15 leads — 57/100 vs 54/100 (a 3-point difference). Key differences: the main camera is 48 MP vs 64 MP.
Redmi K40S
Vivo S15
- Faster charging: 67W vs 66W
- Lighter: 195g vs 197g
- Better portability (65/100 vs 61/100)
- Better main camera: 64MP vs 48MP
- Better camera (48/100 vs 36/100)
- Better display (80/100 vs 79/100)
Comparing the Redmi K40S vs the Vivo S15, the Vivo S15 scores 3 points higher (57/100 vs 54/100). In the "camera" category, the Vivo S15 leads (48/100 vs 36/100). In the "performance" category, both devices are on the same level — 61/100. In the "display" category, the Vivo S15 and the Redmi K40S are nearly equal (80/100 vs 79/100). In the "camera" category, the Vivo S15 is a bit better (48/100 vs 36/100). In the "battery" category, both devices are on the same level — 42/100. In the "portability" category, the Redmi K40S and the Vivo S15 are nearly equal (65/100 vs 61/100).
| Specification | Redmi K40S | Vivo S15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 5G | Qualcomm Snapdragon 870 5G | |
| AnTuTu | 1010069 | 1010069 | |
| Geekbench Single | 1298 | 1298 | |
| Geekbench Multi | 3520 | 3520 | |
| Display | 6.7" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 4500 mAh | |
| Charging | 67W | 66W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 32 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 | 1300 nits | |
| NFC | yes | yes | |
| Dimensions | 163.2×76.0×7.7 mm | 161.1×74.3×8.0 mm | |
| Weight | 195 g | 197 g | |
| Price | — | — |
Redmi K40S
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 20MP
Vivo S15
- Main: 64MP f/f/1.9
- Ultrawide: 8MP
- Front: 32MP
Redmi K40S
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo S15
- 6.6" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K40S
- 4500 mAh
- Wired: 67W
- No wireless charging
Vivo S15
- 4500 mAh
- Wired: 66W
- No wireless charging
We compared Redmi K40S and Vivo S15, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
performance
In the "performance" category, both devices are on the same level — 61/100.
display
In the "display" category, the Vivo S15 and the Redmi K40S are nearly equal (80/100 vs 79/100).
camera
In the "camera" category, the Vivo S15 is a bit better (48/100 vs 36/100).
battery
In the "battery" category, both devices are on the same level — 42/100.
portability
In the "portability" category, the Redmi K40S and the Vivo S15 are nearly equal (65/100 vs 61/100).
Which is better: the Redmi K40S or the Vivo S15?
The Vivo S15 edges out the Redmi K40S by just 3 points — the two devices are very close in overall level.
What is the rating of the Redmi K40S and the Vivo S15?
The Redmi K40S has a MobileRank rating of 54/100, the Vivo S15 — 57/100.
Which has the better camera: the Redmi K40S or the Vivo S15?
The Vivo S15 leads on camera score (48/100 vs 36/100).
Should you choose the Redmi K40S over the Vivo S15?
The Redmi K40S is a better fit for active users. The Vivo S15 is a better fit for active users.