Redmi K100 Pro vs Vivo Y81i
The Redmi K100 Pro (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 leads — 91/100 vs 18/100 (a 73-point difference). Key differences: the Redmi K100 Pro has the bigger battery (9000 mAh vs 3260); the main camera is 200 MP vs 13 MP; the Redmi K100 Pro is faster in AnTuTu (3,531,378 vs 155,362); the Redmi K100 Pro has NFC for contactless payments, the Vivo Y81i doesn't.
Profile comparison
Category scores
Redmi K100 Pro
Vivo Y81i
What makes Redmi K100 Pro better?
- Higher AnTuTu: 3531378 vs 155362
- Better Geekbench Single: 3639 vs 300
- Better Geekbench Multi: 11047 vs 486
- Bigger battery: 9000 vs 3260 mAh
- Better main camera: 200MP vs 13MP
- Higher performance (96/100 vs 10/100)
- Better camera (90/100 vs 10/100)
- Longer battery life (95/100 vs 15/100)
- Better display (81/100 vs 39/100)
What makes Vivo Y81i better?
- Overall rating 18/100
Comparison verdict
Comparing the Redmi K100 Pro vs the Vivo Y81i, the Redmi K100 Pro scores 73 points higher (91/100 vs 18/100). In the "performance" category, the Redmi K100 Pro leads (96/100 vs 10/100). In the "camera" category, the Redmi K100 Pro leads (90/100 vs 10/100). In the "battery" category, the Redmi K100 Pro leads (95/100 vs 15/100). In the "performance" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (96/100 vs 10/100). In the "display" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (81/100 vs 39/100). In the "camera" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (90/100 vs 10/100). In the "battery" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (95/100 vs 15/100).
Specs comparison
| Specification | Redmi K100 Pro | Vivo Y81i | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | MediaTek Helio A22 | |
| AnTuTu | 3531378 | 155362 | |
| Geekbench Single | 3639 | 300 | |
| Geekbench Multi | 11047 | 486 | |
| Display | 6.9" AMOLED | 6.2" IPS LCD | |
| Resolution | 1200x2608 | 720x1520 | |
| Refresh rate | 120 Hz | — | |
| Battery | 9000 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 | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 155.1×75.0×7.8 mm | |
| Weight | — | 143 g | |
| Launch price | — | — |
Camera comparison
Redmi K100 Pro
- 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
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Vivo Y81i
- 6.2" IPS LCD
- Resolution: 720x1520
- Refresh rate: —
Battery and charging
Redmi K100 Pro
- 9000 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y81i
- 3260 mAh
- Wireless charging: no data
Overall performance score
We compared Redmi K100 Pro and Vivo Y81i, covering their specs and all relevant benchmarks.
Redmi K100 Pro leads Vivo Y81i by 2173.0% in our overall performance rating.
Benchmarks
Detailed category analysis
performance
In the "performance" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (96/100 vs 10/100).
display
In the "display" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (81/100 vs 39/100).
camera
In the "camera" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (90/100 vs 10/100).
battery
In the "battery" category, the Redmi K100 Pro significantly outperforms the Vivo Y81i (95/100 vs 15/100).
Frequently asked questions
Which is better: the Redmi K100 Pro or the Vivo Y81i?
The Redmi K100 Pro significantly outperforms the Vivo Y81i by 73 points (91/100 vs 18/100).
What is the rating of the Redmi K100 Pro and the Vivo Y81i?
The Redmi K100 Pro has a MobileRank rating of 91/100, the Vivo Y81i — 18/100.
Which has the better camera: the Redmi K100 Pro or the Vivo Y81i?
The Redmi K100 Pro leads on camera score (90/100 vs 10/100).
Which is more powerful: the Redmi K100 Pro or the Vivo Y81i?
The Redmi K100 Pro leads on performance (96/100 vs 10/100).
Should you choose the Redmi K100 Pro over the Vivo Y81i?
The Redmi K100 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.