Redmi K90 Max vs Vivo X100s
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo X100s (2024) runs on the MediaTek Dimensity 9300+; launch prices were $504 and $699. By overall MobileRank rating, the Vivo X100s leads — 78/100 vs 75/100 (a 3-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5100); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 2,233,931); the Vivo X100s is noticeably lighter (203g vs 227g).
Profile comparison
Category scores
Redmi K90 Max
Vivo X100s
What makes Redmi K90 Max better?
- Higher AnTuTu: 3760662 vs 2233931
- Better Geekbench Single: 3293 vs 2249
- Better Geekbench Multi: 10243 vs 7352
- Bigger battery: 8550 vs 5100 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $504 vs $699
- Higher performance (96/100 vs 83/100)
- Longer battery life (78/100 vs 62/100)
- Better display (94/100 vs 84/100)
What makes Vivo X100s better?
- Lighter: 203g vs 227g
- Better camera (84/100 vs 37/100)
- Better portability (59/100 vs 41/100)
Comparison verdict
Comparing the Redmi K90 Max vs the Vivo X100s, the Vivo X100s scores 3 points higher (78/100 vs 75/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 83/100). In the "camera" category, the Vivo X100s leads (84/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 62/100). Value score: Redmi K90 Max — 72/100, Vivo X100s — 70/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 83/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X100s significantly outperforms the Redmi K90 Max (84/100 vs 37/100). In the "battery" category, the Redmi K90 Max notably outperforms the Vivo X100s (78/100 vs 62/100). In the "portability" category, the Vivo X100s notably outperforms the Redmi K90 Max (59/100 vs 41/100).
Specs comparison
| Specification | Redmi K90 Max | Vivo X100s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 9300+ | |
| AnTuTu | 3760662 | 2233931 | |
| Geekbench Single | 3293 | 2249 | |
| Geekbench Multi | 10243 | 7352 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2772x1280 | 1260x2800 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5100 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 64 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14, OriginOS 4 | |
| Brightness (peak) | 3500 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.9×77.9×8.1 mm | 163.1×75.8×7.8 mm | |
| Weight | 227 g | 203 g | |
| Launch price | $504 | $699 |
Camera comparison
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Vivo X100s
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 32MP
Display comparison
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Vivo X100s
- 6.8" LTPO AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo X100s
- 5100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi K90 Max and Vivo X100s, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Vivo X100s by 68.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $195. Redmi K90 Max was $195 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 83/100).
display
In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Vivo X100s significantly outperforms the Redmi K90 Max (84/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Vivo X100s (78/100 vs 62/100).
portability
In the "portability" category, the Vivo X100s notably outperforms the Redmi K90 Max (59/100 vs 41/100).
Frequently asked questions
Which is better: the Redmi K90 Max or the Vivo X100s?
The Vivo X100s edges out the Redmi K90 Max by just 3 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Max and the Vivo X100s?
The Redmi K90 Max has a MobileRank rating of 75/100, the Vivo X100s — 78/100.
Which has the better camera: the Redmi K90 Max or the Vivo X100s?
The Vivo X100s leads on camera score (84/100 vs 37/100).
Which is more powerful: the Redmi K90 Max or the Vivo X100s?
The Redmi K90 Max leads on performance (96/100 vs 83/100).
Should you choose the Redmi K90 Max over the Vivo X100s?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life. The Vivo X100s is a better fit for gamers and power users, mobile photography enthusiasts.