Home/Asus/Asus Zenfone 4 Pro ZS551KL vs Honor 20
Asus Zenfone 4 Pro ZS551KL

Asus Zenfone 4 Pro ZS551KL

#1219
Honor 20

Honor 20

#2056

Category Breakdown

Asus Zenfone 4 Pro ZS551KL
Honor 20
Performance
80.286.6
Camera
94.663.7
Display
80.258.9
Battery
26.927.0
Build
80.578.7
Connectivity
67.962.1
Audio
71.58.9
Overall
61.552.1

Summary

  • The Asus Zenfone 4 Pro ZS551KL features a 5.5-inch AMOLED display with a resolution of 1080 x 1920 pixels, while the Honor 20 has a larger 6.26-inch IPS LCD with a resolution of 1080 x 2340 pixels.
  • In terms of performance, the Zenfone is powered by a Snapdragon 835 chipset, whereas the Honor 20 utilizes the Kirin 980, offering slightly better efficiency.
  • The camera capabilities differ significantly, with the Zenfone sporting a dual rear camera setup of 12 MP and 16 MP, while the Honor 20 boasts a 48 MP primary sensor along with additional lenses for ultrawide and macro shots.
  • Battery capacity is slightly higher in the Honor 20 at 3750 mAh compared to the Zenfone's 3600 mAh, and it supports faster charging at 22.5W versus 18W.
  • Both devices have premium glass and aluminum builds, but the Zenfone includes a headphone jack, which the Honor 20 lacks, and runs on older software with ZenUI 4 compared to the Magic UI 4.0 on the Honor 20.

Side-by-side Specification Comparison

Asus Zenfone 4 Pro ZS551KL
Honor 20

General

Release Date

2017
2019

Announced

2017
2019

Description

N/A
N/A

Display

Size

5.5"
6.26"

Type

AMOLED
IPS LCD

Resolution

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~412 ppi density)

PPI

1080
1080

Refresh Rate

60Hz
60Hz

HDR Support

Protection

Corning Gorilla Glass 5
N/A

Performance

Chipset

Qualcomm MSM8998 Snapdragon 835 (10 nm)
Kirin 980 (7 nm)

CPU

Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Octa-core (2x2.6 GHz Cortex-A76 & 2x1.92 GHz Cortex-A76 & 4x1.8 GHz Cortex-A55)

GPU

Adreno 540
Mali-G76 MP10

Memory

64GB 6GB RAM, 128GB 6GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
No

Camera

Main Camera

12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom
48 MP, f/1.8, 28mm (wide), 1/2.0", 0.8µm, PDAF16 MP, f/2.2, 13mm (ultrawide), 1/3.1"2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)

Main Camera Features

Laser AF, color spectrum sensor, LED flash, HDR, panorama
LED flash, HDR, panorama

Front Camera

8 MP, f/1.9, 22mm (wide), 1/3.2", 1.4µm, PDAF
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

Front Camera Features

HDR
HDR

Video Recording

4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
4K@30fps, 1080p@30/60fps; gyro-EIS

Selfie Video

1080p@30fps
1080p@30fps, gyro-EIS

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

3600 mAh
3750 mAh

Battery Details

Li-Ion 3600 mAh, non-removable
Li-Po 3750 mAh, non-removable

Charging Details

18W wired, 50% in 32 min
22.5W wired, 50% in 24 min

Fast Charging

Wireless Charging

Build & Safety

Dimensions

156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
154.3 x 74 x 7.9 mm (6.07 x 2.91 x 0.31 in)

Weight

175 g
174 g

Materials

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front, glass back, aluminum frame

Colors

Moonlight white, Pure Black
Midnight Black, Sapphire Blue, Icelandic white, Phantom Blue

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 or 100 Mbps
HSPA, LTE

5G

4G

WiFi

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

Bluetooth

5.0, A2DP, EDR, LE, aptX
5.0, A2DP, aptX HD, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, BDS, GALILEO, QZSS

Audio

Stereo Speakers

Loudspeaker

Yes, dual speakers
Yes

Audio Jack

Yes
No

Software & Security

Operating System

Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Android 9.0 (Pie), upgradable to Android 10, Magic UI 4.0

Fingerprint

Face Unlock

Sensors

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