Redmi K90 Pro Max vs Vivo Y31s 5G
The Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; estimated prices are $561 and $200. By overall MobileRank rating, the Redmi K90 Pro Max leads — 84/100 vs 36/100 (a 48-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 6500); the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 560,863); the Redmi K90 Pro Max has NFC for contactless payments, the Vivo Y31s 5G doesn't.
Redmi K90 Pro Max
Vivo Y31s 5G
- Higher AnTuTu: 4119955 vs 560863
- Better Geekbench Single: 3640 vs 923
- Better Geekbench Multi: 11033 vs 2249
- Bigger battery: 7560 vs 6500 mAh
- Faster charging: 100W vs 44W
- Higher performance (94/100 vs 0/100)
- Better camera (74/100 vs 34/100)
- Longer battery life (82/100 vs 54/100)
- Lighter: 207g vs 210g
- Cheaper: $200 vs $561
- Better design/ergonomics (41/100 vs 37/100)
- Better value for money (96/100 vs 71/100)
Comparing the Redmi K90 Pro Max vs the Vivo Y31s 5G, the Redmi K90 Pro Max scores 48 points higher (84/100 vs 36/100). In the "performance" category, the Redmi K90 Pro Max leads (94/100 vs 0/100). In the "camera" category, the Redmi K90 Pro Max leads (74/100 vs 34/100). In the "battery" category, the Redmi K90 Pro Max leads (82/100 vs 54/100). In the "value for money" category, the Vivo Y31s 5G leads (96/100 vs 71/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y31s 5G (94/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y31s 5G (74/100 vs 34/100). In the "battery" category, the Redmi K90 Pro Max notably outperforms the Vivo Y31s 5G (82/100 vs 54/100). In the "design" category, the Vivo Y31s 5G and the Redmi K90 Pro Max are nearly equal (41/100 vs 37/100). In the "value for money" category, the Vivo Y31s 5G notably outperforms the Redmi K90 Pro Max (96/100 vs 71/100).
| Specification | Redmi K90 Pro Max | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 4119955 | 560863 | |
| Geekbench Single | 3640 | 923 | |
| Geekbench Multi | 11033 | 2249 | |
| Display | 6.9" OLED | 6.7" IPS LCD | |
| Resolution | 2608x1200 | 1600x720 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7560 mAh | 6500 mAh | |
| Charging | 100W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.3×77.8×7.9 mm | 164.2×75.4×8.4 mm | |
| Weight | 210 g | 207 g | |
| Price | $561 | $200 |
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y31s 5G
- Main: 50MP f/f/1.8
- Front: 32MP
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
We compared Redmi K90 Pro Max and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Vivo Y31s 5G by 634.6% in our overall performance rating.
Price difference: $361. Vivo Y31s 5G is cheaper by $361.
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y31s 5G (94/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Vivo Y31s 5G (74/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Pro Max notably outperforms the Vivo Y31s 5G (82/100 vs 54/100).
design
In the "design" category, the Vivo Y31s 5G and the Redmi K90 Pro Max are nearly equal (41/100 vs 37/100).
value for money
In the "value for money" category, the Vivo Y31s 5G notably outperforms the Redmi K90 Pro Max (96/100 vs 71/100).
Which is better: the Redmi K90 Pro Max or the Vivo Y31s 5G?
The Redmi K90 Pro Max significantly outperforms the Vivo Y31s 5G by 48 points (84/100 vs 36/100).
What is the rating of the Redmi K90 Pro Max and the Vivo Y31s 5G?
The Redmi K90 Pro Max has a MobileRank rating of 84/100, the Vivo Y31s 5G — 36/100.
Which has the better camera: the Redmi K90 Pro Max or the Vivo Y31s 5G?
The Redmi K90 Pro Max leads on camera score (74/100 vs 34/100).
Which is more powerful: the Redmi K90 Pro Max or the Vivo Y31s 5G?
The Redmi K90 Pro Max leads on performance (94/100 vs 0/100).
Should you choose the Redmi K90 Pro Max over the Vivo Y31s 5G?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life. The Vivo Y31s 5G is a better fit for budget-conscious buyers.