Redmi K90 Pro Max vs Vivo Y51
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y51 (2020) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 40/100 (a 46-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 5000); the main camera is 50 MP vs 48 MP; the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 329,457); the Redmi K90 Pro Max has NFC for contactless payments, the Vivo Y51 doesn't; the Vivo Y51 is noticeably lighter (186g vs 210g).
Redmi K90 Pro Max
Vivo Y51
- Higher AnTuTu: 4119955 vs 329457
- Better Geekbench Single: 3640 vs 321
- Better Geekbench Multi: 11033 vs 1128
- Bigger battery: 7560 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (98/100 vs 24/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (89/100 vs 43/100)
- Lighter: 186g vs 210g
- Better display (83/100 vs 81/100)
- Better portability (59/100 vs 54/100)
Comparing the Redmi K90 Pro Max vs the Vivo Y51, the Redmi K90 Pro Max scores 46 points higher (86/100 vs 40/100). In the "performance" category, the Redmi K90 Pro Max leads (98/100 vs 24/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 34/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 43/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (98/100 vs 24/100). In the "display" category, the Vivo Y51 and the Redmi K90 Pro Max are nearly equal (83/100 vs 81/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (78/100 vs 34/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (89/100 vs 43/100). In the "portability" category, the Vivo Y51 is a bit better (59/100 vs 54/100).
| Specification | Redmi K90 Pro Max | Vivo Y51 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 665 | |
| AnTuTu | 4119955 | 329457 | |
| Geekbench Single | 3640 | 321 | |
| Geekbench Multi | 11033 | 1128 | |
| Display | 6.9" OLED | 6.4" Super AMOLED | |
| Resolution | 2608x1200 | 1080x2340 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7560 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 10, Funtouch 10 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.3×77.8×7.9 mm | 159.3×75.2×8.7 mm | |
| Weight | 210 g | 186 g | |
| Launch price | $561 | — |
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y51
- Main: 48MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo Y51
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y51
- 5000 mAh
- Wired: 18W
- No wireless charging
We compared Redmi K90 Pro Max and Vivo Y51, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Vivo Y51 by 1150.5% in our overall performance rating.
Vivo Y51
Price unknownperformance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (98/100 vs 24/100).
display
In the "display" category, the Vivo Y51 and the Redmi K90 Pro Max are nearly equal (83/100 vs 81/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (78/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (89/100 vs 43/100).
portability
In the "portability" category, the Vivo Y51 is a bit better (59/100 vs 54/100).
Which is better: the Redmi K90 Pro Max or the Vivo Y51?
The Redmi K90 Pro Max significantly outperforms the Vivo Y51 by 46 points (86/100 vs 40/100).
What is the rating of the Redmi K90 Pro Max and the Vivo Y51?
The Redmi K90 Pro Max has a MobileRank rating of 86/100, the Vivo Y51 — 40/100.
Which has the better camera: the Redmi K90 Pro Max or the Vivo Y51?
The Redmi K90 Pro Max leads on camera score (78/100 vs 34/100).
Which is more powerful: the Redmi K90 Pro Max or the Vivo Y51?
The Redmi K90 Pro Max leads on performance (98/100 vs 24/100).
Should you choose the Redmi K90 Pro Max over the Vivo Y51?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y51 is a better fit for everyday use.