vivo Y51 (2015) vs vivo Y51a
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| PHONES | ||
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| Phone Names | vivo Y51 (2015) | vivo Y51a |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | LTE 850 / 900 / 1800 / 2100 / 2600 - Malaysia | 1, 3, 5, 8, 40 |
| 5G bands | 2, 25, 41, 66, 71 Sub6/mmWave | - |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| LTE 900 / 1800 / 2100 - Thailand, Indonesia | - | |
| Launch | ||
|---|---|---|
| Announced | 2015, December. Released 2015, December | 2021, January 08 |
| Status | Discontinued | Available. Released 2021, January 23 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | - |
| Dimensions | 143.8 x 71.7 x 7.5 mm (5.66 x 2.82 x 0.30 in) | 163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
| SIM | Dual SIM | Nano-SIM + Nano-SIM |
| Weight | 157 g (5.54 oz) | 188 g (6.63 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 5 | - |
| Resolution | 540 x 960 pixels, 16:9 ratio (~220 ppi density) | 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) |
| Size | 5.0 inches, 68.9 cm2 (~66.8% screen-to-body ratio) | 6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Quad-core 1.2 GHz Cortex-A53 | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | Adreno 306 | Adreno 610 |
| OS | Android 5.0.2 (Lollipop), Funtouch 2.5 | Android 11, upgradable to Android 12, Funtouch 12 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 16GB 2GB RAM | 128GB 6GB RAM, 128GB 8GB RAM |
| eMMC 4.5 | - | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Quad | 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) | - |
| Single | 8 MP, AF | - |
| Triple | - | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro) |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | Auto-HDR | HDR |
| Single | 5 MP | 16 MP, f/2.0, (wide), 1/3.06" 1.0µm |
| Video | 720p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 4.0, A2DP | 5.0, A2DP, LE |
| NFC | No | No |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 65W wired, 100% in 39 min (advertised) | 18W wired, 70% in 67 min |
| Type | Li-Ion 2350 mAh, non-removable | 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | White | Titanium Sapphire, Crystal Symphony |
| Models | Y51L, Y51, 1707, Y51A | V2031 |
| Price | About 130 EUR | About 200 EUR |
| SAR | - | 0.87 W/kg (head) 0.39 W/kg (body) |