Redmi K90 vs Vivo Y400 4G
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y400 4G (2025) runs on the Qualcomm Snapdragon 685. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 44/100 (a 32-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 467,392).
Redmi K90
Vivo Y400 4G
- Higher AnTuTu: 3088357 vs 467392
- Better Geekbench Single: 3041 vs 466
- Better Geekbench Multi: 9494 vs 1396
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 100W vs 44W
- Higher performance (92/100 vs 33/100)
- Better camera (58/100 vs 30/100)
- Longer battery life (72/100 vs 56/100)
- Better display (82/100 vs 79/100)
- Lighter: 196g vs 206g
- Better portability (63/100 vs 55/100)
Comparing the Redmi K90 vs the Vivo Y400 4G, the Redmi K90 scores 32 points higher (76/100 vs 44/100). In the "performance" category, the Redmi K90 leads (92/100 vs 33/100). In the "camera" category, the Redmi K90 leads (58/100 vs 30/100). In the "battery" category, the Redmi K90 leads (72/100 vs 56/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y400 4G (92/100 vs 33/100). In the "display" category, the Redmi K90 and the Vivo Y400 4G are nearly equal (82/100 vs 79/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo Y400 4G (58/100 vs 30/100). In the "battery" category, the Redmi K90 notably outperforms the Vivo Y400 4G (72/100 vs 56/100). In the "portability" category, the Vivo Y400 4G is a bit better (63/100 vs 55/100).
| Specification | Redmi K90 | Vivo Y400 4G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 685 | |
| AnTuTu | 3088357 | 467392 | |
| Geekbench Single | 3041 | 466 | |
| Geekbench Multi | 9494 | 1396 | |
| Display | 6.6" AMOLED | 6.7" AMOLED | |
| Resolution | 2510x1156 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 6000 mAh | |
| Charging | 100W | 44W | |
| 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 | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 15, Funtouch 15 | |
| Brightness (peak) | 3500 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 162.3×75.3×7.9 mm | |
| Weight | 206 g | 196 g | |
| Launch price | $401 | — |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo Y400 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo Y400 4G
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo Y400 4G
- 6000 mAh
- Wired: 44W
- No wireless charging
We compared Redmi K90 and Vivo Y400 4G, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo Y400 4G by 560.8% in our overall performance rating.
Vivo Y400 4G
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Vivo Y400 4G (92/100 vs 33/100).
display
In the "display" category, the Redmi K90 and the Vivo Y400 4G are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Vivo Y400 4G (58/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Vivo Y400 4G (72/100 vs 56/100).
portability
In the "portability" category, the Vivo Y400 4G is a bit better (63/100 vs 55/100).
Which is better: the Redmi K90 or the Vivo Y400 4G?
The Redmi K90 significantly outperforms the Vivo Y400 4G by 32 points (76/100 vs 44/100).
What is the rating of the Redmi K90 and the Vivo Y400 4G?
The Redmi K90 has a MobileRank rating of 76/100, the Vivo Y400 4G — 44/100.
Which has the better camera: the Redmi K90 or the Vivo Y400 4G?
The Redmi K90 leads on camera score (58/100 vs 30/100).
Which is more powerful: the Redmi K90 or the Vivo Y400 4G?
The Redmi K90 leads on performance (92/100 vs 33/100).
Should you choose the Redmi K90 over the Vivo Y400 4G?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo Y400 4G is a better fit for everyday use.