Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) vs Xiaomi Mi4i

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Comparing the Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) vs Xiaomi Mi4i across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) runs at a higher processing speed of 1.8 GHz, while Xiaomi Mi4i runs at 1.7 GHz, making Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) the better performer.


Display: Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) offers a screen size of 5.5 inches, while Xiaomi Mi4i offers 5 inches, making Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) the larger display of the two. Both Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) and Xiaomi Mi4i feature the same IPS LCD display.


Rear Camera: Both Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) and Xiaomi Mi4i feature a 13 MP primary rear camera.


Front Camera: Both Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) and Xiaomi Mi4i feature a 5 MP primary front camera.


Battery: Xiaomi Mi4i offers a higher battery capacity with 3120 mAh, while Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) offers 3000 mAh, making Xiaomi Mi4i better for longer battery life.


Storage: Both Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) and Xiaomi Mi4i offer the same internal storage of 16 GB.


User Rating: Xiaomi Mi4i receives a higher user rating of 4.2, while Asus Zenfone 2 ZE551ML (2GB RAM, Full HD, 16GB, 1.8GHz) has a rating of 3.8.

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Summary

Spec Score

69%
67%

Release Date

23 Apr, 2015
23 Apr, 2015

Performance

Intel Atom
Snapdragon 615
Quad Core (upto 1.8 GHz)
Octa Core (upto 1.7 GHz)
2 GB RAM
2 GB RAM

Display

5.5 inches (13.97 cm)
5.0 inches (12.7 cm)
IPS LCD
IPS LCD
1080x1920 px (FULL HD)
1080x1920 px (FULL HD)

Rear Camera

13 MP
Primary Camera
13 MP
Primary Camera

Front Camera

5 MP
5 MP

Battery

3000 mAh
3120 mAh
Fast Charging
Quick Charging
No Wireless Charging
No Wireless Charging

Storage

16 GB
16 GB

User Ratings

3.8/5
(12,762 ratings)
4.2/5
(86,759 ratings)

Video

There are no videos available for the device.
Videos
3 More Videos

User Feedback

General

Launch Date

Apr 23, 2015
(Official)
Apr 23, 2015
(Official)

Operating System

Android v5.0 (Lollipop)
Android v5.0.2 (Lollipop)

Performance

Performance Rating

Avg
Avg

Chipset

Intel Atom Z3560
Qualcomm Snapdragon 615 MSM8939

Processor

Quad core, 1.8 GHz, Intel Atom
Octa core

1.7 GHz, Quad core, Cortex A53 1.1 GHz, Quad core, Cortex A53

Graphics (GPU)

PowerVR G6430
Adreno 405

RAM

2 GB
2 GB

RAM Type

LPDDR3
N/A

Display

Display Rating

Excellent
Excellent

Display Type

IPS LCD
IPS LCD

Screen Size

5.5 inches  (13.97 cm)
5.0 inches  (12.7 cm)

Resolution

1080x1920 px (FULL HD)
1080x1920 px (FULL HD)

Pixel Density

401 ppi
441 ppi

Screen to Body Ratio (calculated)

70.67 %
71.54 %

Screen Protection

Corning Gorilla Glass v3 Oleophobic coating
Yes

Design

Height

152.5 mm
138.1 mm

Width

77.2 mm
69.6 mm

Thickness

10.9 mm
7.8 mm

Weight

170 grams
130 grams

Rear Camera

Rear Camera Rating

Good
Good

Resolution

13 MP
Primary Cameraf/2.0CMOS image sensor
13 MP
Primary Cameraf/2.0CMOS image sensor

Autofocus

Yes
Yes

OIS

N/A
No

Flash

Yes Dual-color LED Flash
Yes Dual-color LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Burst mode
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Digital image stabilization
Face detection
Touch to focus
Digital Zoom
Auto Flash
Digital image stabilization
Face detection
Smile detection
Touch to focus
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Video Recording

Full HD @30 fps
Full HD @30 fps

Front Camera

Front Camera Rating

Good
Good

Resolution

5 MP
f/2.0 Primary Camera
5 MP
Primary Camera

Autofocus

N/A
No

Flash

No
No

Camera Features

Fixed Focus
Wide Angle Selfie

Battery

Battery Rating

Very Good
Very Good

Capacity

3000 mAh
3120 mAh

Battery Type

Li-Polymer
Li-ion

Quick Charging

Yes Fast Charging
Yes Quick Charging

Storage

Internal Storage

16 GB
16 GB / 32 GB

Expandable Storage

Yes Up to 128 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Micro SIM2: Micro
SIM1: Micro SIM2: Micro

Network Support

5G Not Supported 4G
5G Not Supported 4G

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7)
4G Speed:
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
4G Speed:
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
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SIM 2

N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7)

SAR Value

N/A
Head: 1.29 W/kg Body: 0.79 W/kg

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac)
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v4.0
Yes v4.1

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

Yes
No

HDMI

N/A
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

No
No

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope