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- Y31 vs Redmi 15 5G
Vivo Y31 vs Xiaomi Redmi 15 5G
What Y31 does better (8) and where Redmi 15 5G wins (8) — every spec side by side.
vs
6.2Display7.3
4.6Camera4.6
8.4Battery8.3
6.7Features6.2
Dimensions
Size comparison
Y31Redmi 15 5G
| Y31 | Redmi 15 5G | Difference | |
|---|---|---|---|
| Height | 166.1 mm | 169.5 mm | −3.4 mm |
| Width | 77 mm | 80.4 mm | −3.5 mm |
| Thickness | 8.4 mm | 8.4 mm | = |
| Weight | 209 g | 217 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Y31 better than Redmi 15 5G?
- Water resistance (IPx)IPx8 vs IPx42×
- Storage (max)512 GB vs 256 GB2×
- Stereo speakersYes · Redmi 15 5G: No
- Wired charging44 W vs 33 W+33%
- Peak brightness1,000 nits vs 700 nits+43%
- Weight209 g vs 217 g+4%
- Process4 nm vs 6 nm+50%
- Charged in 30 min39% vs 33%+18%
Why is Redmi 15 5G better than Y31?
- NFCNo · Y31: Yes
- Battery capacity6,500 mAh vs 7,000 mAh+8%
- Refresh rate120 Hz vs 144 Hz+20%
- Pixel density264 ppi vs 374 ppi+42%
- CPU frequency2.2 GHz vs 2.3 GHz+5%
- Screen size6.7″ vs 6.9″+3%
- Resolution (width)720 px vs 1,080 px+50%
- Bluetooth4.2 vs 5.1+21%
Specifications
Side by side
| Design | ||
| Weight | 209 g | 217 g |
| Thickness | 8.4 mm | 8.4 mm |
| Height | 166.1 mm | 169.5 mm |
| Width | 77 mm | 80.4 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Ingress protection | IP68 | IP64 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Glass protection | Guardian Glass (ion-strengthened) | Gorilla Glass 3 |
| Colours | Rose Red, Diamond Green | Black, Gray, Green |
| Display | ||
| Screen size | 6.7″ | 6.9″ |
| Panel | IPS LCD | LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,608 px | 2,340 px |
| Pixel density | 264 ppi | 374 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Peak brightness | 1,000 nits | 700 nits |
| Screen-to-body ratio | 84% | 85.6% |
| Performance | ||
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 | Qualcomm Snapdragon 6s Gen 3 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 4 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.3 GHz |
| GPU | Adreno 613 | Adreno 619 |
| AnTuTu score | — | 632,934 |
| Geekbench 6 (multi-core) | — | 2,183 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 512 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | eMMC 5.1 | 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 | — | 1/2.88" |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 6,500 mAh | 7,000 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | 44 W | 33 W |
| Charged in 30 min | 39% | 33% |
| 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 | 4.2 | 5.1 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | No |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | proximity, accelerometer, gyro, light, fingerprint |
| SAR (head) | 1.13 W/kg | — |
| Software | ||
| OS at launch | Android 15 | Android 15 |
| Platform | Android | Android |
| Interface | Funtouch 15 | HyperOS 2.2 |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 67 h |
| Repairability class | — | C |
| Drop resistance class | — | D |
