Category Breakdown
Asus Zenfone Go ZB551KL
vivo Y55s (2017)
Performance
53.753.5
Camera
19.119.1
Display
56.556.5
Battery
25.022.8
Build
0.277.8
Connectivity
47.050.8
Audio
8.98.9
Overall
28.535.7
Summary
- The Asus Zenfone Go ZB551KL features a larger 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the vivo Y55s (2017) has a slightly smaller 5.2-inch display with the same resolution but a higher pixel density of ~282 ppi.
- In terms of performance, the Zenfone Go is powered by a Snapdragon 400 chipset with a quad-core Cortex-A7 CPU, whereas the Y55s utilizes a Snapdragon 425 with a quad-core Cortex-A53 CPU, offering better efficiency.
- The camera on the Y55s is superior, boasting a 13 MP rear camera compared to the Zenfone Go's 8 MP, although both can record 1080p video.
- The Zenfone Go has a larger 3010 mAh battery compared to the Y55s's 2730 mAh, providing potentially longer usage.
- In terms of build quality, the Zenfone Go is heavier and thicker, while the Y55s has a more premium feel with its glass front and aluminum back.
- Finally, the Zenfone Go runs on Android 5.1 (Lollipop), while the Y55s operates on Android 6 (Marshmallow) with Funtouch 3, offering a more updated software experience.
Side-by-side Specification Comparison
Asus Zenfone Go ZB551KL
vivo Y55s (2017)
General
Release Date
2016
2017
Announced
2016
2017
Description
N/A
N/A
Display
Size
5.5"
5.2"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm MSM8928 Snapdragon 400 (28 nm)
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
Quad-core 1.6 GHz Cortex-A7
Quad-core 1.4 GHz Cortex-A53
GPU
Adreno 305
Adreno 306
Memory
16GB 2GB RAM, 32GB 2GB RAM
16GB 2GB RAM, 16GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
8 MP or 13 MP, f/2.0, AF
13 MP, f/2.2, AF
Main Camera Features
Dual-LED dual-tone flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
5 MP, f/2.0
5 MP, f/2.2
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3010 mAh
2730 mAh
Battery Details
Li-Ion 3010 mAh, removable
Li-Ion 2730 mAh, non-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)
147.9 x 72.9 x 7.5 mm (5.82 x 2.87 x 0.30 in)
Weight
160 g
142 g
Materials
N/A
Glass front, aluminum back, aluminum frame
Colors
Charcoal Black, Pearl White, Lake Blue, Glacier Gray, Sheer Gold, Glamour Red, Floral Pink, Silver Blue
Crown Gold, Rose Gold, Space Gray
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Micro-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.0, A2DP, EDR
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.1 (Lollipop)
Android 6 (Marshmallow), Funtouch 3
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity, compass

