Redmi K90 Max vs Vivo S15
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo S15 (2022) runs on the Qualcomm Snapdragon 870 5G. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 57/100 (a 17-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 1,010,069); the Vivo S15 is noticeably lighter (197g vs 227g).
Redmi K90 Max
Vivo S15
- Higher AnTuTu: 3803420 vs 1010069
- Better Geekbench Single: 3228 vs 1298
- Better Geekbench Multi: 9553 vs 3520
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 66W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (95/100 vs 61/100)
- Longer battery life (78/100 vs 42/100)
- Better display (94/100 vs 80/100)
- Better main camera: 64MP vs 50MP
- Lighter: 197g vs 227g
- Better camera (48/100 vs 37/100)
- Better portability (61/100 vs 41/100)
Comparing the Redmi K90 Max vs the Vivo S15, the Redmi K90 Max scores 17 points higher (74/100 vs 57/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 61/100). In the "camera" category, the Vivo S15 leads (48/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 42/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo S15 (95/100 vs 61/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 80/100). In the "camera" category, the Vivo S15 is a bit better (48/100 vs 37/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Vivo S15 (78/100 vs 42/100). In the "portability" category, the Vivo S15 notably outperforms the Redmi K90 Max (61/100 vs 41/100).
| Specification | Redmi K90 Max | Vivo S15 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 870 5G | |
| AnTuTu | 3803420 | 1010069 | |
| Geekbench Single | 3228 | 1298 | |
| Geekbench Multi | 9553 | 3520 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 2772x1280 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 66W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 3500 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP66 | — | |
| Dimensions | 162.9×77.9×8.1 mm | 161.1×74.3×8.0 mm | |
| Weight | 227 g | 197 g | |
| Price | $504 | — |
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Vivo S15
- Main: 64MP f/f/1.9
- Ultrawide: 8MP
- Front: 32MP
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Vivo S15
- 6.6" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo S15
- 4500 mAh
- Wired: 66W
- No wireless charging
We compared Redmi K90 Max and Vivo S15, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Vivo S15 by 276.6% in our overall performance rating.
Vivo S15
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo S15 (95/100 vs 61/100).
display
In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Vivo S15 is a bit better (48/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Vivo S15 (78/100 vs 42/100).
portability
In the "portability" category, the Vivo S15 notably outperforms the Redmi K90 Max (61/100 vs 41/100).
Which is better: the Redmi K90 Max or the Vivo S15?
The Redmi K90 Max is noticeably better than the Vivo S15 — the overall rating gap is 17 points.
What is the rating of the Redmi K90 Max and the Vivo S15?
The Redmi K90 Max has a MobileRank rating of 74/100, the Vivo S15 — 57/100.
Which has the better camera: the Redmi K90 Max or the Vivo S15?
The Vivo S15 leads on camera score (48/100 vs 37/100).
Which is more powerful: the Redmi K90 Max or the Vivo S15?
The Redmi K90 Max leads on performance (95/100 vs 61/100).
Should you choose the Redmi K90 Max over the Vivo S15?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life. The Vivo S15 is a better fit for active users.