Redmi Note 9S vs vivo Y400 5G
23.1Performance28.9
29.7Display56.3
30.5Camera34.1
39Battery72.2
20Features73.3
2 spec wins — Redmi Note 9S10 spec wins — vivo Y400 5G
InnoReviews verdict
vivo Y400 5G wins this phone face-off, 48.5 to 28.8, pulling ahead mainly in features (+53) and battery (+33). Redmi Note 9S still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Redmi Note 9S
- Has 3.5mm jack — the other doesn't
Reasons to pick the vivo Y400 5G
- Stronger performance score: 29 vs 23
- Stronger display score: 56 vs 30
- Stronger camera score: 34 vs 31
- Stronger battery score: 72 vs 39
- Stronger features score: 73 vs 20
Display
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Screen size | 6.67 ″ | 6.67 ″ |
| Panel type | IPS LCD | AMOLED |
| Resolution | 2400x1080 | 1080x2400 |
| Pixel density | 395 ppi | 394 ppi |
| Refresh rate | 60 Hz | 120 Hz+100% |
| Peak brightness | — | 1,800 nits |
| Screen-to-body | — | 91.9 % |
Performance
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Chipset | Snapdragon 720G | Qualcomm Snapdragon 4 Gen 2 |
| AnTuTu | 395,000 | — |
| Geekbench 6 (single) | 730Bottom 13% | — |
| Geekbench 6 (multi) | 1,900Bottom 12% | — |
| RAM (max) | 4 GB | 8 GB+100% |
| Storage options | 64GB / 128GB | 128/256GB |
| Storage type | UFS 2.1 | UFS 3.1 |
Camera
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Main camera | 48 MP | 50 MP+4% |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | 8 MP | — |
| Max video | 4K@30fps | — |
| Front camera | 16 MP | 32 MP+100% |
| OIS | No | — |
Battery
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Capacity | 5,020 mAh | 6,000 mAh+20% |
| Wired charging | 18 W | 90 W+400% |
Design
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Weight | 209 g | 197 g+6% |
| Thickness | 8.8 mm | 7.9 mm+10% |
| IP rating | — | IP68/IP69 |
| Frame material | Plastic | — |
Connectivity
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| 5G | No | Yes |
| Wi-Fi | Wi-Fi 5 | — |
| Bluetooth | 5.0 | — |
| NFC | No | No |
| USB | USB-C 2.0 | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| OS at launch | Android 10 (MIUI 11) | Android 15 (Funtouch OS 15) |
| OS update pledge | 2 years | — |
Audio
| Spec | Redmi Note 9S | vivo Y400 5G |
|---|---|---|
| Stereo speakers | No | Yes |
| 3.5mm jack | Yes | No |