Redmi K100 Pro Max vs Vivo Y81i
The Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo Y81i (2018) runs on the MediaTek Helio A22. By overall MobileRank rating, the Redmi K100 Pro Max leads — 93/100 vs 18/100 (a 75-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 3260); the main camera is 200 MP vs 13 MP; the Redmi K100 Pro Max is faster in AnTuTu (3,722,803 vs 155,362); the Redmi K100 Pro Max has NFC for contactless payments, the Vivo Y81i doesn't.
Profile comparison
Category scores
Redmi K100 Pro Max
Vivo Y81i
What makes Redmi K100 Pro Max better?
- Higher AnTuTu: 3722803 vs 155362
- Better Geekbench Single: 3639 vs 300
- Better Geekbench Multi: 11047 vs 486
- Bigger battery: 9070 vs 3260 mAh
- Better main camera: 200MP vs 13MP
- Higher performance (97/100 vs 10/100)
- Better camera (90/100 vs 10/100)
- Longer battery life (95/100 vs 15/100)
- Better display (91/100 vs 39/100)
What makes Vivo Y81i better?
- Overall rating 18/100
Comparison verdict
Comparing the Redmi K100 Pro Max vs the Vivo Y81i, the Redmi K100 Pro Max scores 75 points higher (93/100 vs 18/100). In the "performance" category, the Redmi K100 Pro Max leads (97/100 vs 10/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 10/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 15/100). In the "performance" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (97/100 vs 10/100). In the "display" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (91/100 vs 39/100). In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (90/100 vs 10/100). In the "battery" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (95/100 vs 15/100).
Specs comparison
| Specification | Redmi K100 Pro Max | Vivo Y81i | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | MediaTek Helio A22 | |
| AnTuTu | 3722803 | 155362 | |
| Geekbench Single | 3639 | 300 | |
| Geekbench Multi | 11047 | 486 | |
| Display | 6.9" AMOLED | 6.2" IPS LCD | |
| Resolution | 1200x2608 | 720x1520 | |
| Refresh rate | 185 Hz | — | |
| Battery | 9070 mAh | 3260 mAh | |
| Charging | 100W | — | |
| Wireless charging | 50W | — | |
| Main camera | 200 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB | 2GB | |
| Storage | 256GB / 512GB / 1TB | 16GB | |
| OS | Android 16 | Android 8.1 (Oreo); Funtouch 4 | |
| Brightness (peak) | 4500 nits | — | |
| NFC | yes | no | |
| Protection | IP69 | — | |
| Dimensions | — | 155.1×75.0×7.8 mm | |
| Weight | — | 143 g | |
| Launch price | $730 | — |
Camera comparison
Redmi K100 Pro Max
- Main: 200MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y81i
- Main: 13MP f/2.2
- Front: 5MP
Display comparison
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Vivo Y81i
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Battery and charging
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y81i
- 3260 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K100 Pro Max and Vivo Y81i, covering their specs and all relevant benchmarks.
Redmi K100 Pro Max leads Vivo Y81i by 2296.2% 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 K100 Pro Max significantly outperforms the Vivo Y81i (97/100 vs 10/100).
display
In the "display" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (91/100 vs 39/100).
camera
In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (90/100 vs 10/100).
battery
In the "battery" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y81i (95/100 vs 15/100).
Frequently asked questions
Which is better: the Redmi K100 Pro Max or the Vivo Y81i?
The Redmi K100 Pro Max significantly outperforms the Vivo Y81i by 75 points (93/100 vs 18/100).
What is the rating of the Redmi K100 Pro Max and the Vivo Y81i?
The Redmi K100 Pro Max has a MobileRank rating of 93/100, the Vivo Y81i — 18/100.
Which has the better camera: the Redmi K100 Pro Max or the Vivo Y81i?
The Redmi K100 Pro Max leads on camera score (90/100 vs 10/100).
Which is more powerful: the Redmi K100 Pro Max or the Vivo Y81i?
The Redmi K100 Pro Max leads on performance (97/100 vs 10/100).
Should you choose the Redmi K100 Pro Max over the Vivo Y81i?
The Redmi K100 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.