Unnecto Quattro S
#6599
Yezz Billy 4
#8310Category Breakdown
Unnecto Quattro S
Yezz Billy 4
Performance
34.039.1
Camera
15.415.4
Display
34.116.9
Battery
14.013.1
Build
0.20.2
Connectivity
34.737.6
Audio
87.68.9
Overall
23.015.6
Summary
- The Unnecto Quattro S and Yezz Billy 4 both feature a 4.0" TFT display with a resolution of 480 x 800 pixels, but the Quattro S has 1GB of RAM compared to the Billy 4's 512MB, which may affect multitasking performance.
- In terms of camera capabilities, the Billy 4 offers a superior 8 MP rear camera with autofocus, while the Quattro S has a 5 MP rear camera.
- The Quattro S has a slightly larger battery capacity at 1400 mAh versus the Billy 4's 1300 mAh, but both lack fast charging and wireless charging.
- The Quattro S runs on Android 5.1, providing a different software experience compared to the Billy 4's Windows Phone 8.1, which may influence app availability and usability.
- Build quality is similar, with the Quattro S being marginally heavier and thicker than the Billy 4.
Side-by-side Specification Comparison
Unnecto Quattro S
Yezz Billy 4
General
Release Date
2016
2014
Announced
2016
2014
Description
N/A
N/A
Display
Size
4"
4"
Type
TFT, 256K colors
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Quad-core 1.2 GHz
Quad-core 1.2 GHz Cortex-A7
GPU
Mali-400
Adreno 302
Memory
8GB 1GB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDXC (dedicated slot)
Camera
Main Camera
5 MP, PDAF
8 MP, AF
Main Camera Features
LED flash, HDR, panorama
LED flash
Front Camera
1.3 MP, AF
1.3 MP
Front Camera Features
N/A
N/A
Video Recording
720p@30fps
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1400 mAh
1300 mAh
Battery Details
Li-Ion 1400 mAh, removable
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
124.5 x 64.5 x 10.2 mm (4.90 x 2.54 x 0.40 in)
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
113 g
109 g
Materials
N/A
N/A
Colors
Black, White, Navy
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Dual SIM (Micro-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 42.2/21 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 a/b/g/n
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
2.1
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.1 (Lollipop)
Microsoft Windows Phone 8.1
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity