Xiaomi Mi 1S
#8255
Yezz Billy 4
#8310Category Breakdown
Xiaomi Mi 1S
Yezz Billy 4
Performance
43.339.1
Camera
19.115.4
Display
16.916.9
Battery
18.113.1
Build
0.20.2
Connectivity
26.737.6
Audio
8.98.9
Overall
15.815.6
Summary
- The Xiaomi Mi 1S features a slightly larger 4.0" TFT display with a resolution of 480 x 854 pixels, offering a higher pixel density compared to the Yezz Billy 4's 480 x 800 resolution, which results in a marginally better visual clarity.
- In terms of performance, the Mi 1S is powered by a dual-core Snapdragon S3 processor, while the Yezz Billy 4 utilizes a quad-core Snapdragon 200, providing different strengths in multitasking and processing speed.
- Both phones have an 8 MP rear camera, but the Mi 1S supports 1080p video recording, surpassing the Yezz's 720p capability.
- The Mi 1S has a larger battery capacity of 1930 mAh compared to the 1300 mAh in the Yezz, which may lead to longer usage times.
- Build quality-wise, the Mi 1S is slightly heavier at 149g, while the Yezz is lighter at 109g and has a slimmer profile.
- Finally, the Mi 1S runs on Android 4.0, whereas the Yezz Billy 4 operates on Microsoft Windows Phone 8.1, offering different software experiences and app ecosystems.
Side-by-side Specification Comparison
Xiaomi Mi 1S
Yezz Billy 4
General
Release Date
2012
2014
Announced
2012
2014
Description
N/A
N/A
Display
Size
4"
4"
Type
TFT
TFT
Resolution
480 x 854 pixels, 16:9 ratio (~245 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM8260 Snapdragon S3
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Dual-core 1.7 GHz Scorpion
Quad-core 1.2 GHz Cortex-A7
GPU
Adreno 220
Adreno 302
Memory
4GB 1GB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, f/2.2, 28mm (wide), AF
8 MP, AF
Main Camera Features
LED flash, HDR
LED flash
Front Camera
2 MP
1.3 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1930 mAh
1300 mAh
Battery Details
Removable Li-Ion 1930 mAh battery
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
125 x 63 x 11.9 mm (4.92 x 2.48 x 0.47 in)
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
149 g
109 g
Materials
N/A
N/A
Colors
White, green, blue, red, violet, orange, gray
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Dual SIM (Micro-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 14.4/5.76 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
2.1, A2DP
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.0 (Ice Cream Sandwich)
Microsoft Windows Phone 8.1
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity