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Vivo Y21d vs Vivo Y31

Key Feature Comparison

Vivo Y21d

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At a Glance

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Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)

Unisoc T7225, Mali-G52 MP1

Quad core, 1.3 GHz, Cortex A7

MediaTek MT6580, Mali-400 MP

6500 mAh

Li-ion, Fast, 44W

2100 mAh

Li-Polymer

6.68 inches

264 ppi, HD

11.94 cm (4.7 inch)

312 ppi

Dual, 50MP + 0.08MP

1920x1080 @ 30 fps

Single, 8MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

3G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.68 inches
11.94 cm (4.7 inch)

Screen Type

IPS LCD
IPS LCD

Screen Resolution

720 x 1608 pixels
720 x 1280 pixels

Pixel Density

264 ppi
312 ppi

Aspect Ratio

20:09
-

Screen to Body Ratio

84%
64.46%

Screen Design

Punch hole
-

Screen Refresh Rate

90 Hz
-

Screen Quality

HD
-

Phone Variants

4GB 128GB
1GB 8GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
-

Storage Type

eMMC 5.1
-

Expandable Storage Capacity

Yes, 2 TB
Yes, 128 GB

OTG Support

Yes
-

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass

Operating System

Android v15
Android v5.1 (Lollipop)

GPU

Mali-G52 MP1
Mali-400 MP

Chipset

Unisoc T7225
MediaTek MT6580

CPU

Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Quad core, 1.3 GHz, Cortex A7

Custom User Interface

Funtouch OS
-

Clock Speed

1.8 GHz
1.3 GHz

Architecture

64 bit
-

Process Technology

12 nm
-

Battery Capacity

6500 mAh
2100 mAh

Battery Removable

No
Yes

Battery Type

Li-ion
Li-Polymer

Charger Type

Fast, 44W
-

USB Type-C

Yes
-

Fast Charging

Yes
-

Announced On

17-Sep-25
5-Sep-15

Market Status

Launched Globally
Out of Stock

Brand

Vivo
Vivo

Price Status

Expected
Confirmed

Price

Rs. 8,990
Rs. 7,999

GPS

Yes A-GPS, Glonass
Yes A-GPS

NFC

No
-

Network Support

4G
3G

Bluetooth

Yes
Yes

FM Radio

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
-

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.2
v4.0

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
-

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
-

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 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, GPRS: Available, EDGE: Available...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 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...

Audio Jack

-
3.5 mm

Front Video Recording

1920x1080 @ 30 fps
-

Front Camera Setup

Single, 5MP
Single, 2MP

Front Camera 1 Resolution

5 MP
2 MP

Front Camera 1 Type

f/2.2, Primary Camera
Primary Camera

Front Aperture

f/2.2
-

Weight

209 grams
137 grams

Colors

Jade Green, Coral Red
Black, White

Build

Back: Plastic
-

Dimensions

166.14 x 77.01 x 8.39 mm
137.2 x 68.7 x 8.3 mm

OIS

No
-

Rear Flash

Yes, LED Flash + Aura Light
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Dual, 50MP + 0.08MP
Single, 8MP

Rear Camera 1 Resolution

50 MP
8 MP

Rear Camera 1 Type

f/1.8, Wide Angle, Primary Camera
Primary Camera

Rear Camera 2 Resolution

0.08 MP
-

Rear Camera 2 Type

f/3.0, Secondary Camera
-

Rear Aperture

f/1.8
-

Rear Sensor

-
CMOS image sensor

Fingerprint Scanner

Yes
-

Fingerprint Scanner Position

Side
-

Face Unlock

Yes
-
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