vivo Y31 vs vivo Y51s
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| PHONES | ||
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| Phone Names | vivo Y31 | vivo Y51s |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 38, 40, 41 | 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA | 1, 41, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G (3.6+ Gbps DL) |
| Technology | GSM / HSPA / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| - | CDMA 800 / 1900 & TD-SCDMA | |
| Launch | ||
|---|---|---|
| Announced | 2025, September 15 | 2020, July 24. Released 2020, July 29 |
| Status | Available. Released 2025, September 15 | Discontinued |
| Body | ||
|---|---|---|
| Dimensions | 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) | 162 x 76.6 x 8.5 mm (6.38 x 3.02 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 209 g (7.37 oz) | 190 g (6.70 oz) |
| Display | ||
|---|---|---|
| Protection | Guardian Glass (ion-strengthened) | - |
| Resolution | 720 x 1608 pixels, 20:9 ratio (~264 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Size | 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio) | 6.53 inches, 104.7 cm2 (~84.4% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 1000 nits (HBM) | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) | Octa-core (2x2.0 GHz Cortex-A77 & 6x1.8 GHz Cortex-A55) |
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) | Exynos 880 (8 nm) |
| GPU | Adreno 613 | Mali-G76 MP5 |
| OS | Android 15, Funtouch 15 | Android 10, Funtouch 10.5 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM | 128GB 6GB RAM, 128GB 8GB RAM |
| - | UFS 2.1 | |
| Main Camera | ||
|---|---|---|
| Features | Ring-LED flash, panorama | LED flash, HDR, panorama |
| Single | 50 MP, f/1.8, (wide), PDAF Auxiliary lens | - |
| Triple | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) | 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 8 MP, f/2.0, (wide) | 8 MP, f/2.0, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | No | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE, aptX HD |
| NFC | No | No |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS, GLONASS, BDS, GALILEO |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | microUSB 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 44W wired, 50% in 38 min Reverse wired | 18W wired |
| Type | Li-Ion 6500 mAh | 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Rose Red, Diamond Green | Black, Blue, White |
| Models | V2036, V2036_21 | V2002A |
| Price | About 150 EUR | About 250 EUR |
| SAR | 1.13 W/kg (head) 0.99 W/kg (body) | - |