Home/Asus/Asus Zenfone Go ZB551KL vs Yezz Billy 4.7
Asus Zenfone Go ZB551KL

Asus Zenfone Go ZB551KL

#5283
Yezz Billy 4.7

Yezz Billy 4.7

#6513

Category Breakdown

Asus Zenfone Go ZB551KL
Yezz Billy 4.7
Performance
53.742.7
Camera
19.115.4
Display
56.556.5
Battery
25.017.1
Build
0.20.2
Connectivity
47.037.6
Audio
8.98.9
Overall
28.523.4

Summary

  • The Asus Zenfone Go ZB551KL features a larger 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, providing a lower pixel density compared to the Yezz Billy 4.7, which has a 4.7-inch IPS LCD display with a higher pixel density of ~312 ppi.
  • In terms of performance, the Zenfone Go is powered by a Qualcomm Snapdragon 400 chipset with a faster quad-core CPU at 1.6 GHz and 2GB of RAM, while the Yezz Billy utilizes a Snapdragon 200 with a 1.2 GHz CPU and only 1GB of RAM.
  • Both phones have an 8 MP rear camera, but the Zenfone Go supports 1080p video recording, whereas the Yezz Billy is limited to 720p.
  • The battery capacity of the Zenfone Go is significantly larger at 3010 mAh compared to the Yezz Billy's 1780 mAh.
  • In terms of software, the Zenfone Go runs on Android 5.1, while the Yezz Billy operates on Windows Phone 8.1, offering different user experiences.
  • The Zenfone Go is also heavier and bulkier than the more compact and lighter Yezz Billy.

Side-by-side Specification Comparison

Asus Zenfone Go ZB551KL
Yezz Billy 4.7

General

Release Date

2016
2014

Announced

2016
2014

Description

N/A
Single SIM: CWP 47Dual SIM: WP 47

Display

Size

5.5"
4.7"

Type

IPS LCD
IPS LCD

Resolution

720 x 1280 pixels, 16:9 ratio (~267 ppi density)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

Corning Gorilla Glass 3
Asahi Dragontrail Glass

Performance

Chipset

Qualcomm MSM8928 Snapdragon 400 (28 nm)
Qualcomm MSM8212 Snapdragon 200 (28 nm)

CPU

Quad-core 1.6 GHz Cortex-A7
Quad-core 1.2 GHz Cortex-A7

GPU

Adreno 305
Adreno 302

Memory

16GB 2GB RAM, 32GB 2GB RAM
8GB 1GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

8 MP or 13 MP, f/2.0, AF
8 MP, AF

Main Camera Features

Dual-LED dual-tone flash, HDR, panorama
LED flash, panorama, HDR

Front Camera

5 MP, f/2.0
2 MP

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
720p@30fps

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

3010 mAh
1780 mAh

Battery Details

Li-Ion 3010 mAh, removable
Li-Ion 1780 mAh, removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

151 x 76.9 x 10.7 mm (5.94 x 3.03 x 0.42 in)
135.8 x 67.2 x 7.2 mm (5.35 x 2.65 x 0.28 in)

Weight

160 g
120 g

Materials

N/A
N/A

Colors

Charcoal Black, Pearl White, Lake Blue, Glacier Gray, Sheer Gold, Glamour Red, Floral Pink, Silver Blue
White, Red, Blue

Foldable

SAR

N/A
N/A

Connectivity

SIM

Dual SIM (Micro-SIM, dual stand-by)
Dual SIM (Micro-SIM)

Network

GSM / HSPA / LTE
GSM / HSPA

Network Speed

HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps

5G

4G

WiFi

Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot

Bluetooth

4.0, A2DP, EDR
4.0, A2DP

NFC

USB

microUSB 2.0, OTG
microUSB 2.0

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS, GLONASS

Audio

Stereo Speakers

Loudspeaker

Yes
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, compass