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Asus Zenfone 2 ZE551ML

Asus Zenfone 2 ZE551ML

#5099
vivo Y55s (2017)

vivo Y55s (2017)

#5123

Category Breakdown

Asus Zenfone 2 ZE551ML
vivo Y55s (2017)
Performance
54.354.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
79.879.8
Overall
55.555.5

Summary

  • The Asus Zenfone 2 ZE551ML features a larger 5.5-inch IPS LCD display with a higher resolution of 1080 x 1920 pixels, compared to the 5.2-inch 720 x 1280 pixels display of the vivo Y55s (2017).
  • In terms of performance, the Zenfone is powered by an Intel Atom Z3580 chipset with a quad-core CPU running at 2.3 GHz, while the Y55s uses a Qualcomm Snapdragon 425 with a 1.4 GHz quad-core CPU, resulting in superior processing capabilities for the Zenfone.
  • Both phones have a 13 MP rear camera, but the Zenfone has a slightly wider aperture at f/2.0, potentially offering better low-light performance.
  • The Zenfone also has a larger 3000 mAh battery compared to the Y55s's 2730 mAh, which may provide longer usage time.
  • In terms of software, the Zenfone runs on Android 5.0 (upgradable to 6.0), while the Y55s comes with Android 6.0, offering a more updated software experience.
  • Build quality favors the Y55s with its aluminum back and frame, making it lighter and slimmer than the Zenfone, which has a plastic back and frame.

Side-by-side Specification Comparison

Asus Zenfone 2 ZE551ML
vivo Y55s (2017)

General

Release Date

2015
2017

Announced

2015
2017

Description

N/A
N/A

Display

Size

5.5"
5.2"

Type

IPS LCD
IPS LCD

Resolution

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
720 x 1280 pixels, 16:9 ratio (~282 ppi density)

PPI

1080
720

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass 3
N/A

Performance

Chipset

Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model)
Qualcomm MSM8917 Snapdragon 425 (28 nm)

CPU

Quad-core 2.3 GHz (4 GB RAM model)Quad-core 1.8 GHz (2 GB RAM model)
Quad-core 1.4 GHz Cortex-A53

GPU

PowerVR G6430
Adreno 306

Memory

16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
16GB 2GB RAM, 16GB 3GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

13 MP
13 MP

Main Camera Details

13 MP, f/2.0, AF
13 MP, f/2.2, AF

Front Camera

5 MP
5 MP

Front Camera Details

5 MP, f/2.0
5 MP, f/2.2

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

N/A
N/A

OIS

Night Mode

RAW Support

Battery

Capacity

3000 mAh
2730 mAh

Battery Details

Li-Po 3000 mAh, non-removable
Li-Ion 2730 mAh, non-removable

Charging Details

18W wired, 60% in 40 min
N/A

Fast Charging

Wireless Charging

Build & Design

Dimensions

152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
147.9 x 72.9 x 7.5 mm (5.82 x 2.87 x 0.30 in)

Weight

170 g
142 g

Materials

Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front, aluminum back, aluminum frame

Water Resistance

N/A
N/A

Colors

Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
Crown Gold, Rose Gold, Space Gray

Foldable

Connectivity

SIM

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

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

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

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac, 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
GPS, GLONASS, BDS

Software

Operating System

Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Android 6 (Marshmallow), Funtouch 3

OS Version

Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Android 6 (Marshmallow), Funtouch 3

Security

Fingerprint

Face Unlock

Sensors

Accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes