| vivo S1 Pro |
vivo Y91 |
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| Hardware and OS | vivo S1 Pro | vivo Y91 |
|---|---|---|
| Operating system | Android 9.0 (Pie); Funtouch 9 | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Chipset | Qualcomm SDM675 Snapdragon 675 (11 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Adreno 612 | Adreno 505 |
| Internal memory | 256 GB, 6 GB RAM128 GB, 8 GB RAM | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| External memory | microSD, up to 256 GB | microSD, up to 256 GB |
| Display | vivo S1 Pro | vivo Y91 |
| Type | Super AMOLED | IPS LCD |
| Size | 6.39" inc | 6.22" inc |
| Resolution | 1080 x 2340 px | 720 x 1520 px |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 85.3% | 82.9% |
| Display area | 100.2 cm2 | 96.6 cm2 |
| Display aspect ratio | 19.5:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 403 PPI | 270 PPI |
| Colors | Type Super | 16M |
| Connectivity | vivo S1 Pro | 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 | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | Yes | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Camera | vivo S1 Pro | vivo Y91 |
| Main camera | 48 MP, Triple | 13 MP, Dual |
| Specs | 48 MP, f/1.8, 1/2.0', 0.8µm, PDAF -8 MP, f/2.2, (wide) -5 MP, f/2.4, depth sensor | 13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor |
| Features | LED flash, HDR, panorama | LED flash, panorama |
| Video | 2160p@30fps, 1080p@30fps | 1080p@30fps |
| Selfie camera | 32 MP, Single | 8 MP, Single |
| Multimedia | vivo S1 Pro | vivo Y91 |
| Radio | FM radio | |
| 3.5 mm Jack | Yes | Yes |
| Design | vivo S1 Pro | vivo Y91 |
| Colors | Blue, Red | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | 157.3 x 74.7 x 8.2 mm | 155.1 x 75.1 x 8.3 mm |
| Weight | 185 g | 163.5 g |
| Battery | vivo S1 Pro | vivo Y91 |
| Battery capacity | 3700 mAh, Non-removable Li-Po | 4030 mAh, Non-removable Li-Po |
| Other | vivo S1 Pro | vivo Y91 |
| Release date | 2019, May | 2018, November |
| Sensors | Fingerprint (under display), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |
