Redmi K100 Pro Max vs Vivo Y51
The Redmi K100 Pro Max (2026) runs on the Snapdragon 8 Elite Gen 5, while the Vivo Y51 (2020) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Redmi K100 Pro Max leads — 94/100 vs 40/100 (a 54-point difference). Key differences: the Redmi K100 Pro Max has the bigger battery (9070 mAh vs 5000); the main camera is 200 MP vs 48 MP; the Redmi K100 Pro Max is faster in AnTuTu (3,942,923 vs 329,457); the Redmi K100 Pro Max has NFC for contactless payments, the Vivo Y51 doesn't.
Redmi K100 Pro Max
Vivo Y51
- Higher AnTuTu: 3942923 vs 329457
- Better Geekbench Single: 3640 vs 321
- Better Geekbench Multi: 11033 vs 1128
- Bigger battery: 9070 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher performance (98/100 vs 24/100)
- Better camera (90/100 vs 34/100)
- Longer battery life (95/100 vs 43/100)
- Better display (91/100 vs 83/100)
- Overall rating 40/100
Comparing the Redmi K100 Pro Max vs the Vivo Y51, the Redmi K100 Pro Max scores 54 points higher (94/100 vs 40/100). In the "performance" category, the Redmi K100 Pro Max leads (98/100 vs 24/100). In the "camera" category, the Redmi K100 Pro Max leads (90/100 vs 34/100). In the "battery" category, the Redmi K100 Pro Max leads (95/100 vs 43/100). In the "performance" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (98/100 vs 24/100). In the "display" category, the Redmi K100 Pro Max is a bit better (91/100 vs 83/100). In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (90/100 vs 34/100). In the "battery" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (95/100 vs 43/100).
| Specification | Redmi K100 Pro Max | Vivo Y51 | |
|---|---|---|---|
| Processor | Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 665 | |
| AnTuTu | 3942923 | 329457 | |
| Geekbench Single | 3640 | 321 | |
| Geekbench Multi | 11033 | 1128 | |
| Display | 6.9" AMOLED | 6.4" Super AMOLED | |
| Resolution | 1200x2608 | 1080x2340 | |
| Refresh rate | 185 Hz | — | |
| Battery | 9070 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 10, Funtouch 10 | |
| Brightness (peak) | 4500 nits | — | |
| NFC | yes | no | |
| Protection | IP69 | — | |
| Dimensions | — | 159.3×75.2×8.7 mm | |
| Weight | — | 186 g | |
| Launch price | $730 | — |
Redmi K100 Pro Max
- Main: 200MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y51
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K100 Pro Max
- 6.9" AMOLED
- Resolution: 1200x2608
- Refresh rate: 185 Hz
Vivo Y51
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Redmi K100 Pro Max
- 9070 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y51
- 5000 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K100 Pro Max and Vivo Y51, covering their specs and all relevant benchmarks.
Redmi K100 Pro Max leads Vivo Y51 by 1096.8% in our overall performance rating.
Vivo Y51
Price unknownperformance
In the "performance" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (98/100 vs 24/100).
display
In the "display" category, the Redmi K100 Pro Max is a bit better (91/100 vs 83/100).
camera
In the "camera" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (90/100 vs 34/100).
battery
In the "battery" category, the Redmi K100 Pro Max significantly outperforms the Vivo Y51 (95/100 vs 43/100).
Which is better: the Redmi K100 Pro Max or the Vivo Y51?
The Redmi K100 Pro Max significantly outperforms the Vivo Y51 by 54 points (94/100 vs 40/100).
What is the rating of the Redmi K100 Pro Max and the Vivo Y51?
The Redmi K100 Pro Max has a MobileRank rating of 94/100, the Vivo Y51 — 40/100.
Which has the better camera: the Redmi K100 Pro Max or the Vivo Y51?
The Redmi K100 Pro Max leads on camera score (90/100 vs 34/100).
Which is more powerful: the Redmi K100 Pro Max or the Vivo Y51?
The Redmi K100 Pro Max leads on performance (98/100 vs 24/100).
Should you choose the Redmi K100 Pro Max over the Vivo Y51?
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. The Vivo Y51 is a better fit for everyday use.