On this page we compare specs vivo Z3x Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 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 Z3x | vivo Y91 |
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Operating system | Android 9.0 (Pie); Funtouch 9 | Android 8.1 (Oreo); Funtouch 4.5 |
Processor | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | Qualcomm SDM439 Snapdragon 439 (12 nm) |
GPU | Adreno 512 | Adreno 505 |
Internal memory | 64 GB, 4 GB RAM | 32 GB, 3 GB RAM16 GB, 2 GB RAM |
External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB |
Display | vivo Z3x | vivo Y91 |
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Type | IPS LCD | IPS LCD |
Size | 6.26" inc | 6.22" inc |
Resolution | 1080 x 2280 px | 720 x 1520 px |
Touchscreen | capacitive touchscreen | capacitive touchscreen |
Screen-to-Body Ratio | 84.2% | 82.9% |
Display area | 97.8 cm2 | 96.6 cm2 |
Display aspect ratio | 19:9 (height:width) | 19:9 (height:width) |
Pixel Density | 403 PPI | 270 PPI |
Colors | 16M | 16M |
Connectivity | vivo Z3x | vivo Y91 |
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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 / 2100 | HSDPA 850 / 900 / 2100 |
4G Network | LTE band 1(2100), 3(1800), 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 | Yes | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | GSM / CDMA / HSPA / LTE | GSM / HSPA / LTE |
SIM card | Hybrid 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 (2CA) Cat6 300/50 Mbps | 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 Z3x | vivo Y91 |
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Main camera | 13 MP, Dual | 13 MP, Dual |
Specs | 13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor | 13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor |
Features | LED flash, panorama | LED flash, panorama |
Video | 1080p@30fps | 1080p@30fps |
Selfie camera | 16 MP, Single | 8 MP, Single |
Multimedia | vivo Z3x | vivo Y91 |
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3.5 mm Jack | Yes | Yes |
Radio | FM radio | FM radio |
Design | vivo Z3x | vivo Y91 |
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Colors | Black, Red, Aurora | Starry Black, Ocean Blue, Red (Y91i only) |
Body build | Plastic back | |
Dimensions | 154.8 x 75 x 7.9 mm | 155.1 x 75.1 x 8.3 mm |
Weight | 150 g | 163.5 g |
Battery | vivo Z3x | vivo Y91 |
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Battery capacity | 3260 mAh, Non-removable Li-Ion | 4030 mAh, Non-removable Li-Po |
Other | vivo Z3x | vivo Y91 |
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Release date | 2019, April | 2018, November |
Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass |