Redmi K90 vs Vivo Y21e
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y21e (2022) runs on the Qualcomm Snapdragon 680 4G. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 30/100 (a 46-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 424,216); the Redmi K90 has NFC for contactless payments, the Vivo Y21e doesn't; the Vivo Y21e is noticeably lighter (182g vs 206g).
Profile comparison
Category scores
Redmi K90
Vivo Y21e
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 424216
- Better Geekbench Single: 3013 vs 412
- Better Geekbench Multi: 9287 vs 1423
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 13MP
- Higher performance (91/100 vs 31/100)
- Better camera (58/100 vs 10/100)
- Longer battery life (72/100 vs 43/100)
- Better display (82/100 vs 39/100)
What makes Vivo Y21e better?
- Lighter: 182g vs 206g
- Better portability (70/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Vivo Y21e, the Redmi K90 scores 46 points higher (76/100 vs 30/100). In the "performance" category, the Redmi K90 leads (91/100 vs 31/100). In the "camera" category, the Redmi K90 leads (58/100 vs 10/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y21e (91/100 vs 31/100). In the "display" category, the Redmi K90 significantly outperforms the Vivo Y21e (82/100 vs 39/100). In the "camera" category, the Redmi K90 significantly outperforms the Vivo Y21e (58/100 vs 10/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo Y21e (72/100 vs 43/100). In the "portability" category, the Vivo Y21e notably outperforms the Redmi K90 (70/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Vivo Y21e | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 680 4G | |
| AnTuTu | 3077585 | 424216 | |
| Geekbench Single | 3013 | 412 | |
| Geekbench Multi | 9287 | 1423 | |
| Display | 6.6" AMOLED | 6.5" IPS LCD | |
| Resolution | 2510x1156 | 720x1600 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 3GB | |
| Storage | 256GB / 512GB | 64GB | |
| OS | Android 16 | Android 11, Funtouch 12 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 164.3×76.1×8.0 mm | |
| Weight | 206 g | 182 g | |
| Launch price | $401 | — |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo Y21e
- Main: 13MP f/2.2
- Front: 8MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo Y21e
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo Y21e
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K90 and Vivo Y21e, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo Y21e by 625.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y21e
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y21e (91/100 vs 31/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Vivo Y21e (82/100 vs 39/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Vivo Y21e (58/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Vivo Y21e (72/100 vs 43/100).
portability
In the "portability" category, the Vivo Y21e notably outperforms the Redmi K90 (70/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Vivo Y21e?
The Redmi K90 significantly outperforms the Vivo Y21e by 46 points (76/100 vs 30/100).
What is the rating of the Redmi K90 and the Vivo Y21e?
The Redmi K90 has a MobileRank rating of 76/100, the Vivo Y21e — 30/100.
Which has the better camera: the Redmi K90 or the Vivo Y21e?
The Redmi K90 leads on camera score (58/100 vs 10/100).
Which is more powerful: the Redmi K90 or the Vivo Y21e?
The Redmi K90 leads on performance (91/100 vs 31/100).
Should you choose the Redmi K90 over the Vivo Y21e?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.