vivo Y91
The vivo Y91 is a balanced everyday device, powered by the Qualcomm SDM439 Snapdragon 439 (12 nm), suited to light-to-moderate use, with a 4,030 mAh battery for solid all-day use (2018).
2018 · Lower-mid-range · Android 8.1 (Oreo)ⓘ Note: Scores are automatically calculated using available specifications and may not always perfectly reflect real-world performance or user experience.
✓︎ Pros
✓6.22" IPS LCD display with accurate colours and wide viewing angles
✓Lightweight at 163.5g — easy to carry
✓3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗Entry-level Qualcomm SDM439 Snapdragon 439 (12 nm) — struggles with demanding apps
✗Only 2GB RAM — apps may reload frequently
⚠️ Not ideal for
Mobile gamingHeavy multitaskingMultitasking
⚙️ Performance
Chipset
Qualcomm SDM439 Snapdragon 439 (12 nm)
Entry-level — basic tasks only
CPU
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
OS
Android 8.1 (Oreo), Funtouch 4.5
RAM
2GB | 3GB
Apps may reload frequently
💻 Display
Sharpness
270 ppi
Adequate sharpness for daily use
Panel
IPS LCD
IPS: accurate colours, good brightness
📷 Camera
Main Camera
13 MP
Capable for everyday photos
🔋 Battery & Design
Battery
4,030 mAh
Adequate for moderate use
Weight
163.5g
Very light — comfortable for long use
Dimensions
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
