Redmi K90 Pro Max vs Vivo Y81i
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y81i (2018) runs on the MediaTek Helio A22. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 18/100 (a 68-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 3260); the main camera is 50 MP vs 13 MP; the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 155,362); the Redmi K90 Pro Max has NFC for contactless payments, the Vivo Y81i doesn't; the Vivo Y81i is noticeably lighter (143g vs 210g).
Profile comparison
Category scores
Redmi K90 Pro Max
Vivo Y81i
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 155362
- Better Geekbench Single: 3639 vs 300
- Better Geekbench Multi: 11047 vs 486
- Bigger battery: 7560 vs 3260 mAh
- Better main camera: 50MP vs 13MP
- Higher performance (97/100 vs 10/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (89/100 vs 15/100)
- Better display (81/100 vs 39/100)
What makes Vivo Y81i better?
- Lighter: 143g vs 210g
- Better portability (85/100 vs 54/100)
Comparison verdict
Comparing the Redmi K90 Pro Max vs the Vivo Y81i, the Redmi K90 Pro Max scores 68 points higher (86/100 vs 18/100). In the "performance" category, the Redmi K90 Pro Max leads (97/100 vs 10/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 15/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (97/100 vs 10/100). In the "display" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (81/100 vs 39/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (89/100 vs 15/100). In the "portability" category, the Vivo Y81i significantly outperforms the Redmi K90 Pro Max (85/100 vs 54/100).
Specs comparison
| Specification | Redmi K90 Pro Max | Vivo Y81i | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Helio A22 | |
| AnTuTu | 3622315 | 155362 | |
| Geekbench Single | 3639 | 300 | |
| Geekbench Multi | 11047 | 486 | |
| Display | 6.9" OLED | 6.2" IPS LCD | |
| Resolution | 2608x1200 | 720x1520 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7560 mAh | 3260 mAh | |
| Charging | 100W | — | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 16GB | 2GB | |
| Storage | 256GB / 512GB / 1TB | 16GB | |
| OS | Android 16 | Android 8.1 (Oreo); Funtouch 4 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.3×77.8×7.9 mm | 155.1×75.0×7.8 mm | |
| Weight | 210 g | 143 g | |
| Launch price | $561 | — |
Camera comparison
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y81i
- Main: 13MP f/2.2
- Front: 5MP
Display comparison
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo Y81i
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Battery and charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y81i
- 3260 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K90 Pro Max and Vivo Y81i, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Vivo Y81i by 2231.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y81i
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (97/100 vs 10/100).
display
In the "display" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (81/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (78/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y81i (89/100 vs 15/100).
portability
In the "portability" category, the Vivo Y81i significantly outperforms the Redmi K90 Pro Max (85/100 vs 54/100).
Frequently asked questions
Which is better: the Redmi K90 Pro Max or the Vivo Y81i?
The Redmi K90 Pro Max significantly outperforms the Vivo Y81i by 68 points (86/100 vs 18/100).
What is the rating of the Redmi K90 Pro Max and the Vivo Y81i?
The Redmi K90 Pro Max has a MobileRank rating of 86/100, the Vivo Y81i — 18/100.
Which has the better camera: the Redmi K90 Pro Max or the Vivo Y81i?
The Redmi K90 Pro Max leads on camera score (78/100 vs 10/100).
Which is more powerful: the Redmi K90 Pro Max or the Vivo Y81i?
The Redmi K90 Pro Max leads on performance (97/100 vs 10/100).
Should you choose the Redmi K90 Pro Max over the Vivo Y81i?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.