Asus Zenfone 4 Pro ZS551KL
#1219
Xiaomi Mi A3
#1742Category Breakdown
Asus Zenfone 4 Pro ZS551KL
Xiaomi Mi A3
Performance
80.273.1
Camera
94.665.1
Display
80.280.4
Battery
26.929.1
Build
80.592.4
Connectivity
67.958.5
Audio
71.58.9
Overall
61.555.4
Summary
- The Asus Zenfone 4 Pro ZS551KL features a more premium build with a glass front and back, aluminum frame, and a smaller 5.5-inch AMOLED display with a higher resolution of 1080 x 1920 pixels, compared to the Xiaomi Mi A3's 6.09-inch Super AMOLED display at 720 x 1560 pixels.
- In terms of performance, the Zenfone is powered by the Snapdragon 835 chipset, offering superior processing capabilities over the Snapdragon 665 in the Mi A3.
- The camera system on the Zenfone includes a dual setup with a 12 MP wide and 16 MP telephoto lens, while the Mi A3 boasts a 48 MP wide camera alongside an 8 MP ultrawide and 2 MP depth sensor.
- The Mi A3 has a larger 4030 mAh battery compared to the Zenfone's 3600 mAh, but both support 18W charging.
- Software-wise, the Zenfone runs on Android 7.1.1 with ZenUI, while the Mi A3 operates on Android One, providing a cleaner software experience and more frequent updates.
Side-by-side Specification Comparison
Asus Zenfone 4 Pro ZS551KL
Xiaomi Mi A3
General
Release Date
2017
2019, July 24
Announced
2017
2019, July 17
Description
N/A
N/A
Display
Size
5.5"
6.09"
Type
AMOLED
Super AMOLED
Resolution
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)
PPI
1080
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm MSM8998 Snapdragon 835 (10 nm)
Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU
Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 540
Adreno 610
Memory
64GB 6GB RAM, 128GB 6GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (uses shared SIM slot)
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, (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm2 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@30/60/120fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✓
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3600 mAh
4030 mAh
Battery Details
Li-Ion 3600 mAh, non-removable
Li-Po 4030 mAh, non-removable
Charging Details
18W wired, 50% in 32 min
18W wired, QC3
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)
153.5 x 71.9 x 8.5 mm (6.04 x 2.83 x 0.33 in)
Weight
175 g
173.8 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Colors
Moonlight white, Pure Black
Kind of Gray, Not just Blue, More than White
Foldable
✗
✗
SAR
N/A
0.53 W/kg (head) 0.72 W/kg (body)
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 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
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, LE, aptX HD
NFC
✓
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes, dual speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Android 9.0 (Pie), upgradable to Android 11, Android One
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass