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- Y400 vs Redmi Note 15 (China)
Vivo Y400 vs Xiaomi Redmi Note 15 (China)
What Y400 does better (3) and where Redmi Note 15 (China) wins (7) — every spec side by side.
vs
8.4Display9.0
5.9Camera5.4
9.0Battery8.1
6.7Features8.4
Dimensions
Size comparison
Y400Redmi Note 15 (China)
| Y400 | Redmi Note 15 (China) | Difference | |
|---|---|---|---|
| Height | 162.3 mm | 165 mm | −2.7 mm |
| Width | 75.3 mm | 75.4 mm | −0.1 mm |
| Thickness | 7.9 mm | 7.4 mm | +0.5 mm |
| Weight | 197 g | 178 g | +19 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Y400 better than Redmi Note 15 (China)?
- Wired charging90 W vs 45 W2×
- Battery capacity6,000 mAh vs 5,800 mAh+3%
- Selfie camera32 MP vs 8 MP4×
Why is Redmi Note 15 (China) better than Y400?
- RAM8 GB vs 12 GB+50%
- NFCNo · Y400: Yes
- Peak brightness1,800 nits vs 3,200 nits+78%
- Max video1080p vs 4K
- Weight197 g vs 178 g+11%
- CPU frequency2.2 GHz vs 2.4 GHz+9%
- Thickness7.9 mm vs 7.4 mm+7%
Specifications
Side by side
| Design | ||
| Weight | 197 g | 178 g |
| Thickness | 7.9 mm | 7.4 mm |
| Height | 162.3 mm | 165 mm |
| Width | 75.3 mm | 75.4 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | — | Xiaomi Dragon Crystal Glass |
| Colours | Glam White, Olive Green | Black, White, Blue |
| Display | ||
| Screen size | 6.7″ | 6.8″ |
| Panel | AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,392 px |
| Pixel density | 395 ppi | 388 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,800 nits | 3,200 nits |
| Screen-to-body ratio | 87.9% | 89.1% |
| Performance | ||
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 | Qualcomm SM6475-AB Snapdragon 6 Gen 3 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 4 nm | 4 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.4 GHz |
| GPU | Adreno 613 | Adreno 710 |
| Memory | ||
| RAM | 8 GB | 12 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 2.2 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.96" | 1/2.88" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 32 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 5,800 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wired charging | 90 W | 45 W |
| Charged in 30 min | 75% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5.1 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Under display | Under display |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass, proximity |
| SAR (head) | 0.99 W/kg | — |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | Funtouch 15 | HyperOS 2 |
