| vivo S7t |
vivo Y91 |
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| Hardware and OS | vivo S7t | vivo Y91 |
|---|---|---|
| Operating system | Android 11, OriginOS 1.0 | Android 8.1 (Oreo); Funtouch 4.5 |
| Processor | Octa-core (4x2.6 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| Chipset | MediaTek MT6875 Dimensity 820 5G (7 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| GPU | Mali-G57 MC5 | Adreno 505 |
| Internal memory | 128GB 8GB RAM, 256GB 8GB RAM | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
| External memory | No | microSD, up to 256 GB |
| Display | vivo S7t | vivo Y91 |
| Type | AMOLED | IPS LCD |
| Size | 6.44 inches, 100.1 cm2 | 6.22" inc |
| Resolution | 1080 x 2400 pixels, 20:9 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 S7t | vivo Y91 |
| Camera | 64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120??, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | |
| Selfie camera | vivo S7t | vivo Y91 |
| Camera | 44 MP, f/2.0, (wide), AF 8 MP, f/2.3, 105?? (ultrawide) | |
| Features | HDR | |
| Video | 4K@30fps, 1080p@30fps | |
| Connectivity | vivo S7t | 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, 3, 4, 5, 8, 34, 38, 39, 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) | |
| 5G Network | 1, 3, 41, 77, 78, 79 SA/NSA | |
| Bluetooth | 5.1, A2DP, LE, aptX HD | 4.2, A2DP, LE |
| Edge | Yes | |
| CDMA | CDMA 800 | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS | Yes, with A-GPS, GLONASS, BDS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps |
| NFC | Yes | |
| USB | USB Type-C, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | vivo S7t | 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 S7t | vivo Y91 |
| Loudspeaker | Yes | |
| Multimedia | 24-bit/192kHz audio | |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | vivo S7t | vivo Y91 |
| Colors | Black, White, Gradient Blue | Starry Black, Ocean Blue, Red (Y91i only) |
| Dimensions | 158.8 x 74.2 x 7.4 mm (6.25 x 2.92 x 0.29 in) | 155.1 x 75.1 x 8.3 mm |
| Weight | 169 g (5.96 oz) | 163.5 g |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Battery | vivo S7t | vivo Y91 |
| Type | Li-Po 4000 mAh, non-removable | |
| Charging | Fast charging 33W, 66% in 30 min (advertised) | |
| Battery capacity | 4030 mAh, Non-removable Li-Po | |
| Other | vivo S7t | vivo Y91 |
| Release date | 2018, November | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | |
| Features | vivo S7t | vivo Y91 |
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, compass |
