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

