Category Breakdown
Asus Zenfone Go ZB551KL
Xiaomi Mi 2S
Performance
53.756.2
Camera
19.136.7
Display
56.556.5
Battery
25.018.9
Build
0.20.2
Connectivity
47.038.5
Audio
8.98.9
Overall
28.528.0
Summary
- The Asus Zenfone Go ZB551KL features a larger 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Xiaomi Mi 2S has a smaller 4.3-inch IPS LCD with the same resolution but a higher pixel density of ~342 ppi.
- In terms of performance, the Zenfone Go is powered by a Snapdragon 400 chipset with a quad-core CPU at 1.6 GHz, whereas the Mi 2S utilizes a Snapdragon S4 Pro with a slightly faster 1.7 GHz quad-core CPU.
- Both devices have an 8 MP rear camera, but the Mi 2S offers a higher resolution option of 13 MP for its 32 GB variant, along with HDR video capabilities.
- The Zenfone Go has a larger 3010 mAh battery compared to the Mi 2S's 2000 mAh, providing longer usage time.
- Software-wise, the Zenfone Go runs Android 5.1 Lollipop, while the Mi 2S originally shipped with Android 4.1 Jelly Bean, upgradable to 4.4.4 KitKat with MIUI 5.
- Overall, the Zenfone Go offers a more modern software experience and better battery life, while the Mi 2S has a more compact design and higher pixel density display.
Side-by-side Specification Comparison
Asus Zenfone Go ZB551KL
Xiaomi Mi 2S
General
Release Date
2016
2013
Announced
2016
2013
Description
N/A
N/A
Display
Size
5.5"
4.3"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
720 x 1280 pixels, 16:9 ratio (~342 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm MSM8928 Snapdragon 400 (28 nm)
Qualcomm APQ8064 Snapdragon S4 Pro
CPU
Quad-core 1.6 GHz Cortex-A7
Quad-core 1.7 GHz Krait 300
GPU
Adreno 305
Adreno 320
Memory
16GB 2GB RAM, 32GB 2GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
8 MP or 13 MP, f/2.0, AF
8 MP, f/2.2 (16 GB version)13 MP, f/2.2, AF (32 GB version)
Main Camera Features
Dual-LED dual-tone flash, HDR, panorama
LED flash, HDR
Front Camera
5 MP, f/2.0
2 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps, 720p@90fps, HDR
Selfie Video
N/A
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3010 mAh
2000 mAh
Battery Details
Li-Ion 3010 mAh, removable
Li-Ion 2000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
151 x 76.9 x 10.7 mm (5.94 x 3.03 x 0.42 in)
126 x 62 x 10.2 mm (4.96 x 2.44 x 0.40 in)
Weight
160 g
145 g
Materials
N/A
N/A
Colors
Charcoal Black, Pearl White, Lake Blue, Glacier Gray, Sheer Gold, Glamour Red, Floral Pink, Silver Blue
Black/white, black/blue, black/yellow, black/green, black/pink
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Mini-SIM
Network
GSM / HSPA / LTE
GSM / HSPA
Network Speed
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✓
✗
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
Bluetooth
4.0, A2DP, EDR
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0, OTG
microUSB 2.0 (MHL TV-out), OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 5.1 (Lollipop)
Android 4.1 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 5
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, gyro, proximity, compass

