verykool s5028 Bolt
#8161
Yezz Billy 4
#8310Category Breakdown
verykool s5028 Bolt
Yezz Billy 4
Performance
33.939.1
Camera
15.415.4
Display
16.916.9
Battery
18.913.1
Build
0.20.2
Connectivity
30.037.6
Audio
8.98.9
Overall
16.115.6
Summary
- The verykool s5028 Bolt features a larger 5.0-inch TFT display with a resolution of 480 x 854 pixels, while the Yezz Billy 4 has a smaller 4.0-inch TFT display with a resolution of 480 x 800 pixels.
- In terms of performance, the Bolt is equipped with a Spreadtrum SC7731C chipset and 1GB of RAM, compared to the Yezz's Qualcomm MSM8212 Snapdragon 200 and 512MB of RAM, which may provide the Bolt with a slight edge in multitasking.
- Both devices have an 8 MP rear camera capable of 720p video recording, but the Bolt offers a higher 2 MP selfie camera versus the Yezz's 1.3 MP.
- Battery capacity is another differentiator, with the Bolt housing a 2000 mAh battery compared to the 1300 mAh battery in the Yezz.
- Finally, the Bolt runs on Android 6.0 Marshmallow, while the Yezz operates on Microsoft Windows Phone 8.1, which may affect the overall software experience and app availability.
Side-by-side Specification Comparison
verykool s5028 Bolt
Yezz Billy 4
General
Release Date
2017
2014
Announced
2017
2014
Description
N/A
N/A
Display
Size
5"
4"
Type
TFT
TFT
Resolution
480 x 854 pixels, 16:9 ratio (~196 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
Spreadtrum SC7731C
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.2 GHz Cortex-A7
GPU
Mali-400
Adreno 302
Memory
8GB 1GB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, f/2.4, AF
8 MP, AF
Main Camera Features
LED flash, panorama
LED flash
Front Camera
2 MP, f/2.8
1.3 MP
Front Camera Features
N/A
N/A
Video Recording
720p@30fps
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2000 mAh
1300 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
144.8 x 72.8 x 10 mm (5.70 x 2.87 x 0.39 in)
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
154 g
109 g
Materials
N/A
N/A
Colors
Black, Gold
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
Dual SIM (Micro-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 21.1/5.76 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
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
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 6.0 (Marshmallow)
Microsoft Windows Phone 8.1
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity