Category Breakdown
Asus Zenfone 4 ZE554KL
Xiaomi Mi 6
Performance
73.280.1
Camera
76.681.5
Display
58.958.9
Battery
26.126.3
Build
80.596.4
Connectivity
67.765.6
Audio
71.587.6
Overall
53.657.6
Summary
- The Asus Zenfone 4 ZE554KL features a 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, while the Xiaomi Mi 6 has a slightly smaller 5.15-inch IPS LCD with the same resolution but a higher pixel density of ~428 ppi.
- In terms of performance, the Mi 6 is powered by the more advanced Snapdragon 835 chipset, compared to the Snapdragon 630 or 660 in the Zenfone 4, resulting in better processing capabilities.
- Both phones have a dual rear camera setup with 12 MP sensors, but the Mi 6 includes a telephoto lens for optical zoom, while the Zenfone 4 offers an ultrawide option.
- The battery capacity of the Mi 6 is slightly higher at 3350 mAh versus 3300 mAh in the Zenfone 4, but both support 18W charging.
- For software, both run Android 7.1.1, but the Mi 6 can be upgraded to Android 9.0, and it also features stereo speakers, unlike the Zenfone 4.
- Build quality is comparable, with the Zenfone using Gorilla Glass 5 and an aluminum frame, while the Mi 6 utilizes Gorilla Glass 4 and a stainless steel frame.
Side-by-side Specification Comparison
Asus Zenfone 4 ZE554KL
Xiaomi Mi 6
General
Release Date
2017
2017
Announced
2017
2017
Description
N/A
For Global market
Display
Size
5.5"
5.15"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
1080 x 1920 pixels, 16:9 ratio (~428 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 4
Performance
Chipset
Qualcomm SDM630 Snapdragon 630 (14 nm)Qualcomm SDM660 Snapdragon 660 (14 nm)
Qualcomm MSM8998 Snapdragon 835 (10 nm)
CPU
Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53)Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPU
Adreno 508Adreno 512
Adreno 540
Memory
64GB 4GB RAM, 64GB 6GB RAM
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
No
Camera
Main Camera
12 MP, f/1.8, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS8 MP, 12mm (ultrawide), 1/4.0", 1.12µm, no AF
12 MP, f/1.8, 27mm (wide), 1/2.9", 1.25µm, PDAF, 4-axis OIS12 MP, f/2.6, 52mm (telephoto), 1.0µm, AF, 2x optical zoom
Main Camera Features
Dual-LED dual-tone flash, HDR, panorama
Dual-LED dual-tone flash, HDR, panorama
Front Camera
8 MP, f/2.0, 24mm (wide)
8 MP
Front Camera Features
HDR, panorama
N/A
Video Recording
4K@30fps
4K@30fps, 1080p@30fps, 720p@120fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3300 mAh
3350 mAh
Battery Details
Li-Ion 3300 mAh, non-removable
Li-Po 3350 mAh, non-removable
Charging Details
18W wired
18W wired, QC3
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
155.4 x 75.2 x 7.7 mm (6.12 x 2.96 x 0.30 in)
145.2 x 70.5 x 7.5 mm (5.72 x 2.78 x 0.30 in)
Weight
165 g
168 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front (Gorilla Glass 4), glass back, stainless steel frame
Colors
Moonlight white, Mint Green, Midnight Black
Ceramic Black, Black, Blue, White
Foldable
✗
✗
SAR
N/A
0.41 W/kg (head) 1.55 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 Mbps
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 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, DLNA
Bluetooth
5.0, A2DP, EDR, LE
5.0, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes, dual speakers
Yes, with stereo speakers
Audio Jack
Yes
No
Software & Security
Operating System
Android 7.1.1 (Nougat), ZenUI 4
Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie), MIUI 8
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer

