LG Q Stylus
#3736
vivo Y91
#3679Category Breakdown
LG Q Stylus
vivo Y91
Performance
60.961.4
Camera
19.119.1
Display
58.956.5
Battery
26.129.1
Build
74.683.6
Connectivity
57.952.5
Audio
8.98.9
Overall
38.939.3
Summary
- The LG Q Stylus features a slightly larger 6.2-inch IPS LCD display with a higher resolution of 1080 x 2160 pixels, resulting in a sharper image compared to the 6.22-inch display of the vivo Y91, which has a resolution of 720 x 1520 pixels.
- In terms of performance, the Q Stylus is powered by a Mediatek MT6750 chipset, while the Y91 uses a Qualcomm Snapdragon 439, with the Q Stylus offering more RAM options.
- Both phones have a 13 MP rear camera and an 8 MP front camera, but the Q Stylus lacks optical image stabilization.
- The vivo Y91 has a larger 4030 mAh battery compared to the 3300 mAh battery of the Q Stylus, providing longer usage time.
- Both devices run on Android 8.1, but the Y91 features Funtouch OS, which may offer a different software experience.
- Build quality is comparable, with the Q Stylus having an aluminum frame versus the plastic frame of the Y91, while both have glass fronts and plastic backs.
Side-by-side Specification Comparison
LG Q Stylus
vivo Y91
General
Release Date
2018
2018
Announced
2018
2018
Description
Versions: LG Q Stylus+ 64/4 GB RAM; LG Q Stylus/Q Stylus α 32/3 GB RAM
N/A
Display
Size
6.2"
6.22"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2160 pixels, 18:9 ratio (~389 ppi density)
720 x 1520 pixels, 19:9 ratio (~270 ppi density)
PPI
1080
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6750 - Q Stylus/Q Stylus α
Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) - Q Stylus/Q Stylus αOcta-core 1.8 GHz
Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
GPU
Mali-T860MP2 - Q Stylus/Q Stylus α
Adreno 505
Memory
32GB 3GB RAM, 64GB 4GB RAM
16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, PDAF (Q Stylus α)16 MP, PDAF (Q Stylus/ Q Stylus+)
13 MP, f/2.2, PDAF2 MP, f/2.4, (depth)
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama
Front Camera
8 MP or 5 MP - Q Stylus/Q Stylus+5 MP - Q Stylus α
8 MP, f/1.8
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3300 mAh
4030 mAh
Battery Details
Li-Ion 3300 mAh, non-removable
4030 mAh, non-removable
Charging Details
10W wired
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
160.1 x 77.7 x 8.1 mm (6.30 x 3.06 x 0.32 in)
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
Weight
171 g
163.5 g
Materials
Glass front, plastic back, aluminum frame
Glass front, plastic back, plastic frame
Colors
Aurora Black, Moroccan Blue, Lavender Violet
Starry Black, Ocean Blue
Foldable
✗
✗
SAR
N/A
1.28 W/kg (head) 0.61 W/kg (body)
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
4.2, A2DP, LE
NFC
✓
✗
USB
USB Type-C 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo)
Android 8.1 (Oreo), Funtouch 4.5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass