On this page we compare specs vivo V21s Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) with vivo Y91 Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | vivo V21s | vivo Y91 |
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Operating system | Android 12, Funtouch 12 | Android 8.1 (Oreo); Funtouch 4.5 |
Processor | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
Chipset | MediaTek MT6853 Dimensity 800U (7 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
GPU | Mali-G57 MC3 | 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 V21s | vivo Y91 |
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Type | AMOLED, 90Hz, HDR10 , 500 nits (typ), 800 nits (HBM) | IPS LCD |
Size | 6.44 inches, 100.0 cm2(~84.7% screen-to-body ratio) | 6.22" inc |
Resolution | 1080 x 2404 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 |
Connectivity | vivo V21s | vivo Y91 |
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5G Network | 1, 3, 7, 8, 28, 40, 41, 78 SA/NSA | |
WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | |
NFC | Yes | |
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, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66 | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) |
Technology | GSM / HSPA / LTE / 5G | |
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 | 5.1, A2DP, LE | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | | Yes, with A-GPS, GLONASS, BDS |
Speed | HSPA, LTE-A, 5G | 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 |
Main Camera | vivo V21s | vivo Y91 |
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Features | LED flash, HDR, panorama | |
Video | 4K@30fps, 1080p@30/60fps | |
Selfie camera | vivo V21s | vivo Y91 |
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Camera | 44 MP, f/2.0, (wide), AF, OIS | |
Features | Dual-LED flash, HDR | |
Video | 4K@30fps, 1080p@30fps | |
Camera | vivo V21s | vivo Y91 |
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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 V21s | vivo Y91 |
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Loudspeaker | Yes | |
3.5 mm Jack | No | Yes |
Radio | | FM radio |
Design | vivo V21s | vivo Y91 |
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SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
Colors | Dusk Blue, Gradient | Starry Black, Ocean Blue, Red (Y91i only) |
Dimensions | 159.7 x 73.9 x 7.3 mm or 7.4 mm | 155.1 x 75.1 x 8.3 mm |
Weight | 176 g / 177 g (6.21 oz) | 163.5 g |
Features | vivo V21s | vivo Y91 |
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Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | |
Battery | vivo V21s | vivo Y91 |
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Type | Li-Po 4000 mAh, non-removable | |
Charging | 33W wired, 63% in 30 min (advertised) | |
Battery capacity | | 4030 mAh, Non-removable Li-Po |
Other | vivo V21s | vivo Y91 |
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Release date | | 2018, November |
Sensors | | Fingerprint (rear-mounted), accelerometer, proximity, compass |