Vivo Y21i vs Vivo Y28

Key Specs

Battery
Battery	4500 mAh	2100 mAh
Display
Display	6.53 inches (16.59 cm)	4.7 inches (11.94 cm)
Front Camera
Front Camera	16 MP	5 MP
Processor
Processor	Qualcomm Snapdragon 460	MediaTek MT6582
RAM
RAM	-	1 GB
Rear Camera
Rear Camera	16 MP + 2 MP + 2 MP	8 MP

Battery

Capacity
Capacity	4500 mAh	2100 mAh
Quick Charging
Quick Charging	Yes, Fast	-
Removable
Removable	No	Yes
Type
Type	Li-Polymer	Li-Polymer
USB Type-C
USB Type-C	Yes	-

Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Camera Setup	Single	-
Flash
Flash	Yes, LED Flash	-
Image Resolution
Image Resolution	4616 x 3464 Pixels	-
Resolution
Resolution	16 MP, Primary Camera	-
Settings
Settings	Exposure compensation, ISO control	-
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	-

Design

Colours
Colours	-	White
Height
Height	-	137.3 mm
Thickness
Thickness	-	9.7 mm
Weight
Weight	-	156 grams
Width
Width	-	68.5 mm

Display

Bezelless Display
Bezelless Display	Yes with waterdrop notch	-
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	269 ppi	234 ppi
Resolution
Resolution	-	540x960 px
Screen Size
Screen Size	6.53 inches (16.59 cm)	4.7 inches (11.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	-	64.6 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Resolution
Resolution	-	5 MP, Primary Camera

General

Brand
Brand	vivo	vivo
Custom UI
Custom UI	Funtouch OS	-
Launch Date
Launch Date	August 27, 2023 (Unofficial)	February 21, 2015 (Official)
Operating System
Operating System	Android v11	Android v4.2 (Jelly Bean)

Main Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Digital Zoom Face detection Touch to focus
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	3264 x 2448 Pixels
Resolution
Resolution	-	8 MP, Primary Camera
Video Recording
Video Recording	-	1920x1080 @ 30 fps

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v4.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	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
SIM 2
SIM 2	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano	SIM1: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging	microUSB 2.0
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	Octa core (1.8 GHz, Quad core, Kryo 240 + 1.8 GHz, Quad core, Kryo 240)	Quad core, 1.3 GHz
Chipset
Chipset	Qualcomm Snapdragon 460	MediaTek MT6582
Fabrication
Fabrication	11 nm	-
Graphics
Graphics	Adreno 610	-
Ram
RAM	4 GB	-

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	No
Fingerprint Sensor Position
Fingerprint Sensor Position	Side	-
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Expandable Memory	Yes, Up to 1 TB	Yes, Up to 128 GB
Internal Memory
Internal Memory	64 GB	8 GB