| vivo S1 Prime |
vivo Y91 |
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| Hardware and OS | vivo S1 Prime | vivo Y91 |
|---|---|---|
| Operating system | Android 9.0 (Pie), Funtouch 9.2 | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Chipset | Qualcomm SDM665 Snapdragon 665 (11 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Adreno 610 | Adreno 505 |
| Internal memory | 128GB 8GB RAM | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| External memory | microSDXC (uses shared SIM slot) | microSD, up to 256 GB |
| Display | vivo S1 Prime | vivo Y91 |
| Type | AMOLED | IPS LCD |
| Size | 6.38 inches, 99.9 cm2 | 6.22" inc |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 82.9% | |
| Display area | 96.6 cm2 | |
| Display aspect ratio | 19:9 (height:width) | |
| Pixel Density | 270 PPI | |
| Colors | 16M | |
| Main Camera | vivo S1 Prime | vivo Y91 |
| Camera | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | vivo S1 Prime | vivo Y91 |
| Camera | 16 MP, f/2.0, (wide), 1/3.06" 1.0µm | |
| Features | HDR | |
| Video | 1080p@30fps | |
| Connectivity | vivo S1 Prime | vivo Y91 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 38, 40, 41 | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
| Wi-Fi | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| NFC | No | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS |
| Technology | GSM / HSPA / LTE | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/150 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| USB | USB Type-C 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | vivo S1 Prime | vivo Y91 |
| Main camera | 13 MP, Dual | |
| Specs | 13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor | |
| Features | LED flash, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | vivo S1 Prime | vivo Y91 |
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | vivo S1 Prime | vivo Y91 |
| Body build | Glass front, plastic back, plastic frame | |
| Colors | Nebula Blue, Jade Black | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | 159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in) | 155.1 x 75.1 x 8.3 mm |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Weight | 190.2 g (6.70 oz) | 163.5 g |
| Features | vivo S1 Prime | vivo Y91 |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
| Battery | vivo S1 Prime | vivo Y91 |
| Type | Li-Po 4500 mAh, non-removable | |
| Charging | Fast charging 18W | |
| Battery capacity | 4030 mAh, Non-removable Li-Po | |
| Other | vivo S1 Prime | vivo Y91 |
| Release date | 2018, November | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass |
