Category Breakdown
Acer Liquid Z520
Energizer Energy E551S
Performance
54.354.3
Camera
42.142.1
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
53.353.3
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
Peak Brightness
N/A
N/A
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
8 MP
Main Camera Details
8 MP, AF
8 MP
Front Camera
2 MP
5 MP
Front Camera Details
2 MP
5 MP
Video Recording
1080p@30fps, 720p@60fps
720p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW 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 & Design
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
Water Resistance
N/A
N/A
Colors
Black, White
Black
Foldable
✗
✗
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
Software
Operating System
Android 4.4.2 (KitKat)
Android 8.0 Oreo (Go edition)
OS Version
Android 4.4.2 (KitKat)
Android 8.0 Oreo (Go edition)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

