Redmi K90 Pro Max vs Vivo Y77 (China)
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y77 (China) (2022) runs on the MediaTek Dimensity 930. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 29/100 (a 55-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4500); the Redmi K90 Pro Max has NFC for contactless payments, the Vivo Y77 (China) doesn't; the Vivo Y77 (China) is noticeably lighter (194g vs 210g).
Redmi K90 Pro Max
Vivo Y77 (China)
- Bigger battery: 7560 vs 4500 mAh
- Faster charging: 100W vs 80W
- Higher performance (94/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (82/100 vs 39/100)
- Better value for money (71/100 vs 55/100)
- Lighter: 194g vs 210g
- Better design/ergonomics (57/100 vs 37/100)
Comparing the Redmi K90 Pro Max vs the Vivo Y77 (China), the Redmi K90 Pro Max scores 55 points higher (84/100 vs 29/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max leads (74/100 vs 24/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 39/100). In the "value for money" category, the Redmi K90 Pro Max leads (71/100 vs 55/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) (94/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) (74/100 vs 24/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) (82/100 vs 39/100). In the "design" category, the Vivo Y77 (China) notably outperforms the Redmi K90 Pro Max (57/100 vs 37/100). In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Vivo Y77 (China) (71/100 vs 55/100).
| Specification | Redmi K90 Pro Max | Vivo Y77 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 930 | |
| AnTuTu | 4119955 | — | |
| Geekbench Single | 3640 | — | |
| Geekbench Multi | 11033 | — | |
| Display | 6.9" OLED | 6.6" IPS LCD | |
| Resolution | 2608x1200 | 1080x2388 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7560 mAh | 4500 mAh | |
| Charging | 100W | 80W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 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 | IP68 | — | |
| Dimensions | 163.3×77.8×7.9 mm | 164.2×75.8×8.6 mm | |
| Weight | 210 g | 194 g | |
| Price | $561 | — |
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y77 (China)
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo Y77 (China)
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y77 (China)
- 4500 mAh
- Wired: 80W
- No wireless charging
Vivo Y77 (China)
Price unknownperformance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) (94/100 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 Pro Max significantly outperforms the Vivo Y77 (China) (74/100 vs 24/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) (82/100 vs 39/100).
design
In the "design" category, the Vivo Y77 (China) notably outperforms the Redmi K90 Pro Max (57/100 vs 37/100).
value for money
In the "value for money" category, the Redmi K90 Pro Max notably outperforms the Vivo Y77 (China) (71/100 vs 55/100).
Which is better: the Redmi K90 Pro Max or the Vivo Y77 (China)?
The Redmi K90 Pro Max significantly outperforms the Vivo Y77 (China) by 55 points (84/100 vs 29/100).
What is the rating of the Redmi K90 Pro Max and the Vivo Y77 (China)?
The Redmi K90 Pro Max has a MobileRank rating of 84/100, the Vivo Y77 (China) — 29/100.
Which has the better camera: the Redmi K90 Pro Max or the Vivo Y77 (China)?
The Redmi K90 Pro Max leads on camera score (74/100 vs 24/100).
Which is more powerful: the Redmi K90 Pro Max or the Vivo Y77 (China)?
The Redmi K90 Pro Max leads on performance (94/100 vs 0/100).
Should you choose the Redmi K90 Pro Max over the Vivo Y77 (China)?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life. The Vivo Y77 (China) is a better fit for everyday use.