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- Y31d vs Redmi Note 15 4G
Vivo Y31d vs Xiaomi Redmi Note 15 4G
What Y31d does better (4) and where Redmi Note 15 4G wins (15) — every spec side by side.
vs
6.6Display8.5
4.6Camera6.4
8.7Battery7.8
6.3Features5.8
Dimensions
Size comparison
Y31dRedmi Note 15 4G
| Y31d | Redmi Note 15 4G | Difference | |
|---|---|---|---|
| Height | 166.6 mm | 164 mm | +2.6 mm |
| Width | 78.4 mm | 75.4 mm | +3 mm |
| Thickness | 8.4 mm | 7.9 mm | +0.5 mm |
| Weight | 219 g | 184 g | +35 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Y31d better than Redmi Note 15 4G?
- Water resistance (IPx)IPx8 vs IPx42×
- Battery capacity7,200 mAh vs 6,000 mAh+20%
- Wired charging44 W vs 33 W+33%
- CPU frequency2.9 GHz vs 2.2 GHz+32%
Why is Redmi Note 15 4G better than Y31d?
- Main camera50 MP vs 108 MP2.2×
- Peak brightness1,250 nits vs 3,200 nits2.6×
- OLED panelNo · Y31d: Yes
- Storage (max)256 GB vs 512 GB2×
- NFCNo · Y31d: Yes
- Pixel density256 ppi vs 388 ppi+52%
- Selfie camera8 MP vs 20 MP2.5×
- Memory card slotNo · Y31d: Yes
- Weight219 g vs 184 g+19%
- Resolution (width)720 px vs 1,080 px+50%
- Main camera aperturef/2 vs f/1.7+18%
- Charged in 30 min35% vs 38%+9%
Specifications
Side by side
| Design | ||
| Weight | 219 g | 184 g |
| Thickness | 8.4 mm | 7.9 mm |
| Height | 166.6 mm | 164 mm |
| Width | 78.4 mm | 75.4 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP68 | IP64 |
| Water resistance (IPx) | IPx8 | IPx4 |
| Glass protection | — | Gorilla Glass 5 |
| Colours | Glow White, Starlight Grey | Black, Forest Green, Glacier Blue, Purple |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,570 px | 2,392 px |
| Pixel density | 256 ppi | 388 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,250 nits | 3,200 nits |
| Measured brightness | — | 1,144 nits |
| Screen-to-body ratio | 85.3% | 89.7% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 | Mediatek Helio G100 Ultra |
| Chip maker | Qualcomm | MediaTek |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.9 GHz | 2.2 GHz |
| GPU | Adreno | Mali-G57 MC2 |
| AnTuTu score | — | 581,234 |
| Geekbench 6 (multi-core) | — | 1,705 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 50 MP | 108 MP |
| Main camera aperture | f/2 | f/1.7 |
| Main sensor size | — | 1/1.67" |
| 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 | 20 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 7,200 mAh | 6,000 mAh |
| Battery type | Si/C | Li-Po |
| Wired charging | 44 W | 33 W |
| Charged in 30 min | 35% | 38% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5.3 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Infrared port | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Fingerprint sensor | Side | Under display |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass, proximity |
| SAR (head) | — | 0.98 W/kg |
| Software | ||
| OS at launch | Android 16 | Android 15 |
| Platform | Android | Android |
| Interface | OriginOS 6 | HyperOS 2 |
| Major OS updates promised | — | 4 |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 1,000 |
| Endurance per cycle | — | 55 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
