Vivo Y28 vs Vivo Y55l

Key Specs

Battery
Battery	2100 mAh	2650 mAh
Display
Display	4.7 inches (11.94 cm)	5.2 inches (13.21 cm)
Front Camera
Front Camera	5 MP	5 MP
Processor
Processor	MediaTek MT6582	Qualcomm Snapdragon 430 MSM8937
RAM
RAM	1 GB	2 GB
Rear Camera
Rear Camera	8 MP	8 MP

Battery

Capacity
Capacity	2100 mAh	2650 mAh
Removable
Removable	Yes	No
Type
Type	Li-Polymer	Li-ion
USB Type-C
USB Type-C	-	No

Design

Colours
Colours	White	Gold, Space Grey
Height
Height	137.3 mm	147.9 mm
Thickness
Thickness	9.7 mm	7.5 mm
Weight
Weight	156 grams	142 grams
Width
Width	68.5 mm	72.9 mm

Display

Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	234 ppi	282 ppi
Resolution
Resolution	540x960 px	720x1280 px (HD)
Screen Protection
Screen Protection	-	No
Screen Size
Screen Size	4.7 inches (11.94 cm)	5.2 inches (13.21 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	64.6 %	68.98 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	-	No
Flash
Flash	-	No
Resolution
Resolution	5 MP, Primary Camera	5 MP, Primary Camera

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General

Brand
Brand	vivo	vivo
Custom UI
Custom UI	-	Funtouch OS
Launch Date
Launch Date	February 21, 2015 (Official)	October 6, 2016 (Official)
Operating System
Operating System	Android v4.2 (Jelly Bean)	Android v6.0 (Marshmallow)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	3264 x 2448 Pixels	3264 x 2448 Pixels
OIS
OIS	-	No
Resolution
Resolution	8 MP, Primary Camera	8 MP f/2.0, Primary Camera
Sensor
Sensor	-	CMOS image sensor
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.1
GPS
GPS	Yes with A-GPS	Yes with A-GPS
HDMI
HDMI	-	No
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	-	Head: 0.224 W/kg, Body: 0.767 W/kg
SIM 1
SIM 1	3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21.1 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Micro	SIM1: Micro, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	-	64 bit
CPU
CPU	Quad core, 1.3 GHz	Octa core, 1.4 GHz, Cortex A53
Chipset
Chipset	MediaTek MT6582	Qualcomm Snapdragon 430 MSM8937
Graphics
Graphics	-	Adreno 505
RAM type
RAM Type	-	LPDDR3

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	No
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	8 GB	16 GB
USB OTG
USB OTG	-	Yes
User Available Storage
User Available Storage	-	Up to 8.61 GB