Home/Asus/Asus Zenfone 3s Max ZC521TL vs Energizer U680S
Asus Zenfone 3s Max ZC521TL

Asus Zenfone 3s Max ZC521TL

#4687
Energizer U680S

Energizer U680S

#4284

Category Breakdown

Asus Zenfone 3s Max ZC521TL
Energizer U680S
Performance
59.761.4
Camera
19.119.1
Display
56.556.5
Battery
33.738.5
Build
0.20.2
Connectivity
52.541.3
Audio
8.98.9
Overall
31.734.8

Summary

  • The Asus Zenfone 3s Max ZC521TL features a compact 5.2-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Energizer U680S offers a larger 6.8-inch IPS LCD with a higher resolution of 720 x 1640 pixels.
  • In terms of performance, the Zenfone is powered by a Mediatek MT6750 chipset with an octa-core CPU, compared to the Unisoc SC9863A in the Energizer, which may provide slightly better efficiency.
  • Both devices have a 13 MP rear camera capable of 1080p video recording, but the U680S has a lower resolution selfie camera at 5 MP versus the Zenfone's 8 MP.
  • The Zenfone has a 5000 mAh battery, while the U680S boasts a larger 7000 mAh capacity, potentially offering longer usage time.
  • The Zenfone runs on Android 7 with ZenUI 3, whereas the U680S operates on a more recent Android 11, suggesting a more updated software experience.

Side-by-side Specification Comparison

Asus Zenfone 3s Max ZC521TL
Energizer U680S

General

Release Date

2017
2021, June 29

Announced

2017
2021, June 29

Description

N/A
N/A

Display

Size

5.2"
6.8"

Type

IPS LCD
IPS LCD

Resolution

720 x 1280 pixels, 16:9 ratio (~282 ppi density)
720 x 1640 pixels (~263 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6750 (28 nm)
Unisoc SC9863A (28 nm)

CPU

Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)

GPU

Mali-T860MP2
IMG8322

Memory

32GB 3GB RAM
32GB 2GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
microSDHC

Camera

Main Camera

13 MP, f/2.0, AF
13 MP, AF2 MPVGA

Main Camera Features

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

Front Camera

8 MP
5 MP

Front Camera Features

N/A
N/A

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

1080p@30fps
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5000 mAh
7000 mAh

Battery Details

Li-Po 5000 mAh, non-removable
Li-Po 7000 mAh

Charging Details

Reverse wired
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

149.5 x 73.7 x 8.9 mm (5.89 x 2.90 x 0.35 in)
N/A

Weight

175 g
N/A

Materials

N/A
N/A

Colors

Gold, Black
Green, Black

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Micro-SIM
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, LTE

5G

4G

WiFi

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

Bluetooth

4.0, A2DP, EDR
4.0

NFC

USB

microUSB 2.0, OTG
USB Type-C 2.0

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 7 (Nougat), ZenUI 3
Android 11

Fingerprint

Face Unlock

Sensors

Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Accelerometer, proximity