Redmi K90 vs Vivo Y400
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y400 (2025) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $401 and $230. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 52/100 (a 24-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 568,395).
Profile comparison
Category scores
Redmi K90
Vivo Y400
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 568395
- Better Geekbench Single: 3013 vs 915
- Better Geekbench Multi: 9287 vs 2115
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 100W vs 90W
- Higher performance (91/100 vs 46/100)
- Better camera (58/100 vs 37/100)
- Longer battery life (72/100 vs 65/100)
- Better display (82/100 vs 79/100)
What makes Vivo Y400 better?
- Lighter: 197g vs 206g
- Cheaper at launch: $230 vs $401
- Better portability (62/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Vivo Y400, the Redmi K90 scores 24 points higher (76/100 vs 52/100). In the "performance" category, the Redmi K90 leads (91/100 vs 46/100). In the "camera" category, the Redmi K90 leads (58/100 vs 37/100). Value score: Redmi K90 — 80/100, Vivo Y400 — 58/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y400 (91/100 vs 46/100). In the "display" category, the Redmi K90 and the Vivo Y400 are nearly equal (82/100 vs 79/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo Y400 (58/100 vs 37/100). In the "battery" category, the Redmi K90 is a bit better (72/100 vs 65/100). In the "portability" category, the Vivo Y400 is a bit better (62/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Vivo Y400 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 3077585 | 568395 | |
| Geekbench Single | 3013 | 915 | |
| Geekbench Multi | 9287 | 2115 | |
| Display | 6.6" AMOLED | 6.7" AMOLED | |
| Resolution | 2510x1156 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 6000 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 157.5×75.3×8.0 mm | 162.3×75.3×7.9 mm | |
| Weight | 206 g | 197 g | |
| Launch price | $401 | $230 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo Y400
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo Y400
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo Y400
- 6000 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Redmi K90 and Vivo Y400, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo Y400 by 441.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $171. Vivo Y400 was $171 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y400 (91/100 vs 46/100).
display
In the "display" category, the Redmi K90 and the Vivo Y400 are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Vivo Y400 (58/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 is a bit better (72/100 vs 65/100).
portability
In the "portability" category, the Vivo Y400 is a bit better (62/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Vivo Y400?
The Redmi K90 significantly outperforms the Vivo Y400 by 24 points (76/100 vs 52/100).
What is the rating of the Redmi K90 and the Vivo Y400?
The Redmi K90 has a MobileRank rating of 76/100, the Vivo Y400 — 52/100.
Which has the better camera: the Redmi K90 or the Vivo Y400?
The Redmi K90 leads on camera score (58/100 vs 37/100).
Which is more powerful: the Redmi K90 or the Vivo Y400?
The Redmi K90 leads on performance (91/100 vs 46/100).
Should you choose the Redmi K90 over the Vivo Y400?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.