Category Breakdown
Posh Memo S580
Yezz Billy 4
Performance
51.354.3
Camera
42.142.1
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
52.453.3
Summary
- The Posh Memo S580 features a larger 5.88-inch TFT display with a resolution of 480 x 800 pixels, while the Yezz Billy 4 has a smaller 4.0-inch TFT display with the same resolution but a higher pixel density of 233 ppi.
- In terms of performance, the Memo S580 is powered by a dual-core Mediatek MT6572M chipset, whereas the Billy 4 utilizes a more efficient quad-core Qualcomm Snapdragon 200.
- Both devices have an 8 MP rear camera, but the Billy 4 includes autofocus, which may enhance image quality.
- The Memo S580 has a larger 2500 mAh battery compared to the 1300 mAh battery in the Billy 4, potentially offering longer usage time.
- Software-wise, the Memo runs on Android 4.4 KitKat, while the Billy operates on Microsoft Windows Phone 8.1, leading to different user experiences.
- The Memo S580 is heavier at 175g, compared to the lighter 109g of the Billy 4.
Side-by-side Specification Comparison
Posh Memo S580
Yezz Billy 4
General
Release Date
2014
2014
Announced
2014
2014
Description
N/A
N/A
Display
Size
5.88"
4"
Type
TFT
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~159 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6572M (28 nm)
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Dual-core 1.0 GHz Cortex-A7
Quad-core 1.2 GHz Cortex-A7
GPU
Mali-400
Adreno 302
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDXC (dedicated slot)
Camera
Main Camera
8 MP
8 MP
Main Camera Details
8 MP
8 MP, AF
Front Camera
1.3 MP
1.3 MP
Front Camera Details
1.3 MP
1.3 MP
Video Recording
720p@30fps
720p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2500 mAh
1300 mAh
Battery Details
Li-Ion 2500 mAh battery
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
165.5 x 90.5 x 9.7 mm (6.52 x 3.56 x 0.38 in)
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
175 g
109 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, White
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Mini-SIM, dual stand-by)
Dual SIM (Micro-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 21.1/5.76 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
2.1, EDR
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS
Software
Operating System
Android 4.4 (KitKat)
Microsoft Windows Phone 8.1
OS Version
Android 4.4 (KitKat)
Microsoft Windows Phone 8.1
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes

