Asus Zenfone Selfie ZD551KL
#3951
Xiaomi Mi 4i
#4040Category Breakdown
Asus Zenfone Selfie ZD551KL
Xiaomi Mi 4i
Performance
60.360.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
79.879.8
Overall
57.357.3
Summary
- The Asus Zenfone Selfie ZD551KL features a larger 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, while the Xiaomi Mi 4i has a slightly smaller 5.0-inch display with the same resolution but higher pixel density at 441 ppi.
- Both devices are powered by the Qualcomm Snapdragon 615 chipset and offer similar performance with octa-core CPUs and Adreno 405 GPUs, though the Mi 4i has a slight edge in RAM configurations.
- In terms of camera capabilities, both have a 13 MP rear camera, but the Mi 4i includes autofocus, whereas the Zenfone Selfie lacks this feature; however, the Zenfone has a superior 13 MP front camera for selfies.
- The Zenfone's battery capacity is 3000 mAh compared to the Mi 4i's 3120 mAh, with the latter supporting faster 10W charging.
- Build quality-wise, the Zenfone is heavier at 170g and thicker at 10.8mm, while the Mi 4i is lighter at 130g and slimmer at 7.8mm, both using Gorilla Glass for the front.
- Software experience differs as the Zenfone runs ZenUI based on Android 5.0, while the Mi 4i operates on MIUI 8.2 based on Android 5.0.2.
Side-by-side Specification Comparison
Asus Zenfone Selfie ZD551KL
Xiaomi Mi 4i
General
Release Date
2015
2015
Announced
2015
2015
Description
N/A
N/A
Display
Size
5.5"
5"
Type
IPS LCD
IPS LCD
Resolution
1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 4, oleophobic coating
Corning scratch-resistant glass
Performance
Chipset
Qualcomm MSM8939 Snapdragon 615 (28 nm)
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
Adreno 405
Adreno 405
Memory
16GB 2GB RAM, 32GB 3GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.0, 28mm (wide), 1/3.0"
13 MP, f/2.0, AF
Front Camera
13 MP
5 MP
Front Camera Details
13 MP, f/2.2, 1/3.1", 1.12µm, AF
5 MP, f/1.8
Video Recording
1080p@30fps
1080p@30fps, 480p@120fps
Selfie Video
1080p@30fps
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3000 mAh
3120 mAh
Battery Details
Li-Po 3000 mAh, removable
Li-Ion 3120 mAh, non-removable
Charging Details
N/A
10W wired, QC1
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in)
Weight
170 g
130 g
Materials
Glass front (Gorilla Glass 4), plastic back, plastic frame
Glass front (Gorilla Glass), plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Pure White, Chic Pink, Aqua Blue
Dark Gray, Black, White, Yellow, Blue, Pink
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE Cat4 150/50 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, hotspot
Bluetooth
4.0, A2DP, EDR
4.1, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Software
Operating System
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Android 5.0.2 (Lollipop), MIUI 8.2
OS Version
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Android 5.0.2 (Lollipop), MIUI 8.2
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes