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 (3,622,315 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).
Profile comparison
Category scores
Redmi K90 Pro Max
Vivo Y51
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 329457
- Better Geekbench Single: 3639 vs 321
- Better Geekbench Multi: 11047 vs 1128
- Bigger battery: 7560 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (97/100 vs 24/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (89/100 vs 43/100)
What makes Vivo Y51 better?
- Lighter: 186g vs 210g
- Better display (83/100 vs 81/100)
- Better portability (59/100 vs 54/100)
Comparison verdict
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 (97/100 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 (97/100 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).
Specs comparison
| Specification | Redmi K90 Pro Max | Vivo Y51 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 665 | |
| AnTuTu | 3622315 | 329457 | |
| Geekbench Single | 3639 | 321 | |
| Geekbench Multi | 11047 | 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 | — |
Camera comparison
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y51
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo Y51
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y51
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K90 Pro Max and Vivo Y51, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Vivo Y51 by 999.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y51
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y51 (97/100 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).
Frequently asked questions
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 (97/100 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.