Category Breakdown
Asus Zenfone 2 Deluxe ZE551ML
Xiaomi Mi 4
Performance
68.161.0
Camera
19.155.3
Display
58.958.9
Battery
24.225.3
Build
0.291.0
Connectivity
53.451.6
Audio
8.98.9
Overall
30.841.1
Summary
- The Asus Zenfone 2 Deluxe ZE551ML features a larger 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, while the Xiaomi Mi 4 has a slightly smaller 5.0-inch display with the same resolution but higher pixel density at ~441 ppi.
- In terms of performance, the Zenfone is powered by Intel Atom processors, offering configurations up to 2.5 GHz, whereas the Mi 4 utilizes a Qualcomm Snapdragon 801 at 2.5 GHz.
- Both devices have a 13 MP rear camera, but the Mi 4 has a wider aperture at f/1.8, allowing for better low-light performance and 4K video recording capability, while the Zenfone is limited to 1080p.
- The Zenfone's battery capacity is 3000 mAh, slightly higher than the Mi 4's 3080 mAh, but both support 18W charging.
- Build quality differs as the Zenfone is heavier and bulkier, while the Mi 4 is lighter and features a glass front with an aluminum frame.
- Software-wise, the Zenfone runs on ZenUI based on Android 5.0, while the Mi 4 operates on MIUI 10 based on Android 4.4.3, both upgradable to Marshmallow.
Side-by-side Specification Comparison
Asus Zenfone 2 Deluxe ZE551ML
Xiaomi Mi 4
General
Release Date
2015
2014
Announced
2015
2014
Description
Also known as Asus Zenfone 2 Deluxe Special Edition
N/A
Display
Size
5.5"
5"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Intel Atom Z3580Intel Atom Z3560Intel Atom Z3590
Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU
Quad-core 2.3 GHzQuad-core 1.8 GHzQuad-core 2.5 GHz
Quad-core 2.5 GHz Krait 400
GPU
PowerVR G6430
Adreno 330
Memory
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
16GB 2GB RAM, 64GB 3GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP, f/2.0, AF
13 MP, f/1.8, 1/3.1", 1.12µm, AF
Main Camera Features
Dual-LED dual-tone flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
5 MP, f/2.0
8 MP, f/1.8
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
4K@30fps, 1080p@30fps, 720p@120fps, HDR
Selfie Video
N/A
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3080 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Li-Ion 3080 mAh, non-removable
Charging Details
18W wired, 60% in 40 min
18W wired, QC2
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight
170 g
149 g
Materials
N/A
Glass front, plastic back, aluminum frame
Colors
White, Pink, PurpleSilver Polygon/Carbon Night (Black) - Special Edition
Black, White
Foldable
✗
✗
SAR
N/A
0.71 W/kg (head) 0.85 W/kg (body)
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Micro-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4+ 250/50 Mbps, LTE (2CA) Cat6 300/50 Mbps (Special Edition)
HSPA, LTE, EV-DO Rev.A 3.1 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
4.0, A2DP, EDR
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass, barometer

