Home/Acer/Acer Liquid Z520 vs Energizer Energy E551S
Acer Liquid Z520

Acer Liquid Z520

#7344
Energizer Energy E551S

Energizer Energy E551S

#6726

Category Breakdown

Acer Liquid Z520
Energizer Energy E551S
Performance
42.445.2
Camera
35.215.4
Display
16.929.0
Battery
18.921.8
Build
0.20.2
Connectivity
27.741.9
Audio
8.98.9
Overall
19.422.4

Summary

  • The Acer Liquid Z520 features a 5.0-inch TFT display with a resolution of 480 x 854 pixels, while the Energizer Energy E551S has a slightly larger 5.5-inch TFT LCD display with the same resolution, resulting in a lower pixel density.
  • In terms of performance, both devices are equipped with quad-core processors, but the Z520 uses the older Cortex-A7, whereas the E551S has the more efficient Cortex-A53.
  • Both phones have an 8 MP rear camera, but the Z520 can record video at 1080p, while the E551S is limited to 720p; however, the E551S offers a higher resolution 5 MP selfie camera compared to the Z520's 2 MP.
  • The Energizer model also boasts a larger 2500 mAh battery compared to the 2000 mAh battery of the Acer device.
  • In terms of software experience, the Z520 runs on Android 4.4.2 KitKat, while the E551S operates on Android 8.0 Oreo (Go edition), providing a more updated software experience.

Side-by-side Specification Comparison

Acer Liquid Z520
Energizer Energy E551S

General

Release Date

2015
2019

Announced

2015
2019

Description

N/A
N/A

Display

Size

5"
5.5"

Type

TFT
TFT LCD

Resolution

480 x 854 pixels, 16:9 ratio (~187 ppi density)
480 x 854 pixels, 16:9 ratio (~178 ppi density)

PPI

480
480

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6582M (28 nm)
Mediatek MT6737M (28 nm)

CPU

Quad-core 1.3 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A53

GPU

Mali-400MP2
Mali-T720MP2

Memory

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

Expandable Storage

Card Slot

microSDHC (dedicated slot)
microSDXC (uses shared SIM slot)

Camera

Main Camera

8 MP, AF
8 MP

Main Camera Features

LED flash, HDR, panorama
LED flash

Front Camera

2 MP
5 MP

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps, 720p@60fps
720p@30fps

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

2000 mAh
2500 mAh

Battery Details

Li-Po 2000 mAh, removable
Li-Ion 2500 mAh battery

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

154 x 86 x 6.4 mm (6.06 x 3.39 x 0.25 in)
N/A

Weight

118 g
N/A

Materials

N/A
N/A

Colors

Black, White
Black

Foldable

SAR

N/A
N/A

Connectivity

SIM

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

Network

GSM / HSPA
GSM / HSPA / LTE

Network Speed

HSPA
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps

5G

4G

WiFi

Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n

Bluetooth

4.0, A2DP
4.0, A2DP, LE

NFC

USB

microUSB 2.0
microUSB 2.0

IR Blaster

Headphone Jack

Radio

Positioning

GPS
GPS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 4.4.2 (KitKat)
Android 8.0 Oreo (Go edition)

Fingerprint

Face Unlock

Sensors

Accelerometer, proximity
Accelerometer