Redmi K90 vs Vivo Y55 5G
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y55 5G (2022) runs on the MediaTek Dimensity 700 5G. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 41/100 (a 35-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 515,647); the Vivo Y55 5G is noticeably lighter (187g vs 206g).
Profile comparison
Category scores
Redmi K90
Vivo Y55 5G
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 515647
- Better Geekbench Single: 3013 vs 690
- Better Geekbench Multi: 9287 vs 1736
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 18W
- Higher performance (91/100 vs 40/100)
- Better camera (58/100 vs 30/100)
- Longer battery life (72/100 vs 43/100)
- Better display (82/100 vs 57/100)
What makes Vivo Y55 5G better?
- Lighter: 187g vs 206g
- Better portability (64/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Vivo Y55 5G, the Redmi K90 scores 35 points higher (76/100 vs 41/100). In the "performance" category, the Redmi K90 leads (91/100 vs 40/100). In the "camera" category, the Redmi K90 leads (58/100 vs 30/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y55 5G (91/100 vs 40/100). In the "display" category, the Redmi K90 notably outperforms the Vivo Y55 5G (82/100 vs 57/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo Y55 5G (58/100 vs 30/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo Y55 5G (72/100 vs 43/100). In the "portability" category, the Vivo Y55 5G is a bit better (64/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Vivo Y55 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 700 5G | |
| AnTuTu | 3077585 | 515647 | |
| Geekbench Single | 3013 | 690 | |
| Geekbench Multi | 9287 | 1736 | |
| Display | 6.6" AMOLED | 6.6" IPS LCD | |
| Resolution | 2510x1156 | 1080x2408 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | Android 11, Funtouch 12 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 164.0×75.9×8.3 mm | |
| Weight | 206 g | 187 g | |
| Launch price | $401 | — |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo Y55 5G
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo Y55 5G
- 6.6" IPS LCD
- Resolution: 1080x2408
- Refresh rate: —
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo Y55 5G
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K90 and Vivo Y55 5G, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo Y55 5G by 496.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y55 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y55 5G (91/100 vs 40/100).
display
In the "display" category, the Redmi K90 notably outperforms the Vivo Y55 5G (82/100 vs 57/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Vivo Y55 5G (58/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Vivo Y55 5G (72/100 vs 43/100).
portability
In the "portability" category, the Vivo Y55 5G is a bit better (64/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Vivo Y55 5G?
The Redmi K90 significantly outperforms the Vivo Y55 5G by 35 points (76/100 vs 41/100).
What is the rating of the Redmi K90 and the Vivo Y55 5G?
The Redmi K90 has a MobileRank rating of 76/100, the Vivo Y55 5G — 41/100.
Which has the better camera: the Redmi K90 or the Vivo Y55 5G?
The Redmi K90 leads on camera score (58/100 vs 30/100).
Which is more powerful: the Redmi K90 or the Vivo Y55 5G?
The Redmi K90 leads on performance (91/100 vs 40/100).
Should you choose the Redmi K90 over the Vivo Y55 5G?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.