Category Breakdown
vivo Y91i
YU Yunicorn
Performance
60.360.3
Camera
42.442.4
Display
70.570.5
Battery
51.051.0
Build
70.870.8
Overall
57.557.5
Summary
- The vivo Y91i features a larger 6.2-inch IPS LCD display with a resolution of 720 x 1520 pixels, while the YU Yunicorn has a smaller 5.5-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a sharper image.
- In terms of performance, the Y91i is powered by a Qualcomm Snapdragon 439 chipset with 2GB of RAM, whereas the Yunicorn uses a Mediatek Helio P10 with 4GB of RAM, offering better multitasking capabilities.
- Both devices have a 13 MP rear camera, but the Y91i has an 8 MP front camera compared to the Yunicorn's 5 MP.
- The Y91i has a slightly larger 4030 mAh battery compared to the 4000 mAh in the Yunicorn, providing similar longevity.
- Software-wise, the Y91i runs on Android 8.1 Oreo, while the Yunicorn operates on the older Android 5.1.1 Lollipop, which may affect user experience and app compatibility.
Side-by-side Specification Comparison
vivo Y91i
YU Yunicorn
General
Release Date
2018
2016
Announced
2018
2016
Description
Not to be confused with Vivo Y91i for India
Also known as YU YU5530
Display
Size
6.2"
5.5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SDM439 Snapdragon 439 (12 nm)
Mediatek MT6755 Helio P10 (28 nm)
CPU
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Adreno 505
Mali-T860MP2
Memory
16GB 2GB RAM
32GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.2, PDAF2 MP, f/2.4, (depth)
13 MP, f/2.2, PDAF
Front Camera
8 MP
5 MP
Front Camera Details
8 MP, f/2.0
5 MP, f/2.0
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
4030 mAh
4000 mAh
Battery Details
4030 mAh, non-removable
Li-Po 4000 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
153.3 x 75.4 x 8.5 mm (6.04 x 2.97 x 0.33 in)
Weight
163.5 g
172 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Starry Black, Ocean Blue, Red
Silver, graphite, gold
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n, hotspot
Bluetooth
4.2, A2DP, LE
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS
Software
Operating System
Android 8.1 (Oreo), Funtouch 4.5
Android 5.1.1 (Lollipop)
OS Version
Android 8.1 (Oreo), Funtouch 4.5
Android 5.1.1 (Lollipop)
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (front-mounted), accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

