Redmi K40S vs Vivo iQOO 15T
The Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 54/100 (a 28-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 1,010,069); the Redmi K40S is noticeably lighter (195g vs 216g).
Redmi K40S
Vivo iQOO 15T
- Lighter: 195g vs 216g
- Better portability (65/100 vs 44/100)
- Higher AnTuTu: 3815522 vs 1010069
- Better Geekbench Single: 3228 vs 1298
- Better Geekbench Multi: 9553 vs 3520
- Bigger battery: 8000 vs 4500 mAh
- Faster charging: 100W vs 67W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (95/100 vs 61/100)
- Better camera (65/100 vs 36/100)
- Longer battery life (75/100 vs 42/100)
- Better display (99/100 vs 79/100)
Comparing the Redmi K40S vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 28 points higher (82/100 vs 54/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 61/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 36/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 42/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Redmi K40S (95/100 vs 61/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Redmi K40S (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Redmi K40S (65/100 vs 36/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi K40S (75/100 vs 42/100). In the "portability" category, the Redmi K40S notably outperforms the Vivo iQOO 15T (65/100 vs 44/100).
| Specification | Redmi K40S | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 5G | MediaTek Dimensity 9500 | |
| AnTuTu | 1010069 | 3815522 | |
| Geekbench Single | 1298 | 3228 | |
| Geekbench Multi | 3520 | 9553 | |
| Display | 6.7" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 4500 mAh | 8000 mAh | |
| Charging | 67W | 100W | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 12, MIUI 13 | Android 16 | |
| Brightness (peak) | 1300 nits | — | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.2×76.0×7.7 mm | — | |
| Weight | 195 g | 216 g | |
| Price | — | $499 |
Redmi K40S
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Redmi K40S
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi K40S
- 4500 mAh
- Wired: 67W
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K40S and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Redmi K40S by 73.5% in our overall performance rating.
Redmi K40S
Price unknownperformance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Redmi K40S (95/100 vs 61/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the Redmi K40S (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15T notably outperforms the Redmi K40S (65/100 vs 36/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi K40S (75/100 vs 42/100).
portability
In the "portability" category, the Redmi K40S notably outperforms the Vivo iQOO 15T (65/100 vs 44/100).
Which is better: the Redmi K40S or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Redmi K40S by 28 points (82/100 vs 54/100).
What is the rating of the Redmi K40S and the Vivo iQOO 15T?
The Redmi K40S has a MobileRank rating of 54/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Redmi K40S or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 36/100).
Which is more powerful: the Redmi K40S or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (95/100 vs 61/100).
Should you choose the Redmi K40S over the Vivo iQOO 15T?
The Redmi K40S is a better fit for active users. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life.