Redmi K90 Max vs Vivo Y77 (China)
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 29/100 (a 38-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4500); the Redmi K90 Max has NFC for contactless payments, the Vivo Y77 (China) doesn't; the Vivo Y77 (China) is noticeably lighter (194g vs 227g).
Redmi K90 Max
Vivo Y77 (China)
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (82/100 vs 0/100)
- Better camera (32/100 vs 24/100)
- Longer battery life (77/100 vs 39/100)
- Better value for money (75/100 vs 55/100)
- Lighter: 194g vs 227g
- Better design/ergonomics (57/100 vs 16/100)
Comparing the Redmi K90 Max vs the Vivo Y77 (China), the Redmi K90 Max scores 38 points higher (67/100 vs 29/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 0/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 39/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 55/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo Y77 (China) (82/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Max is a bit better (32/100 vs 24/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Vivo Y77 (China) (77/100 vs 39/100). In the "design" category, the Vivo Y77 (China) significantly outperforms the Redmi K90 Max (57/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the Vivo Y77 (China) (75/100 vs 55/100).
| Specification | Redmi K90 Max | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Dimensity 930 | |
| AnTuTu | 3803420 | — | |
| Geekbench Single | 3228 | — | |
| Geekbench Multi | 9553 | — | |
| Display | 6.8" AMOLED | 6.6" IPS LCD | |
| Resolution | 2772x1280 | 1080x2388 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 80W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 12, Origin OS Ocean | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 162.9×77.9×8.1 mm | 164.2×75.8×8.6 mm | |
| Weight | 227 g | 194 g | |
| Price | $504 | — |
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo Y77 (China) (82/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 Max is a bit better (32/100 vs 24/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Vivo Y77 (China) (77/100 vs 39/100).
design
In the "design" category, the Vivo Y77 (China) significantly outperforms the Redmi K90 Max (57/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max notably outperforms the Vivo Y77 (China) (75/100 vs 55/100).
Which is better: the Redmi K90 Max or the Vivo Y77 (China)?
The Redmi K90 Max significantly outperforms the Vivo Y77 (China) by 38 points (67/100 vs 29/100).
What is the rating of the Redmi K90 Max and the Vivo Y77 (China)?
The Redmi K90 Max has a MobileRank rating of 67/100, the Vivo Y77 (China) — 29/100.
Which has the better camera: the Redmi K90 Max or the Vivo Y77 (China)?
The Redmi K90 Max leads on camera score (32/100 vs 24/100).
Which is more powerful: the Redmi K90 Max or the Vivo Y77 (China)?
The Redmi K90 Max leads on performance (82/100 vs 0/100).
Should you choose the Redmi K90 Max over the Vivo Y77 (China)?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y77 (China) is a better fit for everyday use.