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Vivo Y51A vs Samsung Galaxy A21S vs Vivo Z1 Pro

Key Feature Comparison

6.5

Samsung Galaxy A21s

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6.8

Vivo Z1 Pro

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At a Glance

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Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 662, Adreno 610

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)

Samsung Exynos 8 Octa 850, Mali-G52 MP1

Octa core (2.3 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)

Qualcomm Snapdragon 712, Adreno 616

5000 mAh

Li-ion, Fast, 18W

5000 mAh

Li-ion, Fast, 15W

5000 mAh

Li-Polymer, Fast, 18W

6.58 inches

401 ppi, FHD

6.5 inches

270 ppi

6.53 inches

395 ppi, FHD

Triple, 48MP + 8MP + 2MP

3840x2160 @ 30 fps

Quad, 48MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps

Triple, 16MP + 8MP + 2MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.58 inches
6.5 inches
6.53 inches

Screen Type

IPS LCD
TFT
IPS LCD

Screen Resolution

1080 x 2408 pixels
720 x 1600 pixels
1080 x 2340 pixels

Pixel Density

401 ppi
270 ppi
395 ppi

Screen to Body Ratio

84.75%
82.75%
90.77%

Screen Design

Waterdrop notch
Punch hole
Punch hole

Screen Refresh Rate

60 Hz
-
-

Screen Quality

FHD
-
FHD

Aspect Ratio

-
20:09
19.5:9

Phone Variants

8GB 128GB, 6GB 128GB
6GB 64GB, 4GB 64GB, 6GB 128GB
6GB 64GB, 4GB 64GB, 6GB 128GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
eMMC 5.1
UFS 2.1

Expandable Storage Capacity

Yes, 1 TB
Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v11
Android v10 (Q)
Android v9.0 (Pie)

GPU

Adreno 610
Mali-G52 MP1
Adreno 616

Chipset

Qualcomm Snapdragon 662
Samsung Exynos 8 Octa 850
Qualcomm Snapdragon 712

CPU

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Octa core (2.3 GHz, Dual core, Kryo 360 + 1.7 GHz, Hexa Core, Kryo 360)

Custom User Interface

Funtouch OS
Samsung One UI
Funtouch OS

Clock Speed

2 GHz
2 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

11 nm
8 nm
10 nm

Battery Capacity

5000 mAh
5000 mAh
5000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-Polymer

Charger Type

Fast, 18W
Fast, 15W
Fast, 18W

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
Yes

Charging Time

70 % in 64 minutes
-
-

Announced On

11-Jan-21
15-May-20
5-Jul-19

Market Status

Available
Available
Available

Brand

Vivo
Samsung
Vivo

Model Number

V2031
SM-A217FZB1INS/SM-A217FZBGINS/SM-A217FZB5INS
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 16,990
Rs. 13,999
Rs. 15,100

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Audio Booster
-
Active noise cancellation with dedicated mic

NFC

No
No
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
-
No

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

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

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40), 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...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
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...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40), 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...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
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...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 16MP
Single, 13MP
Single, 32MP

Front Camera 1 Resolution

16 MP
13 MP
32 MP

Front Camera 1 Type

f/2.0, Wide Angle Primary Camera
f/2.2 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

3" sensor size, 1 micrometre pixel size
3.1" sensor size, 1.12 micrometre pixel size
-

Front Aperture

f/2.0
f/2.2
f/2.0

Front Flash

-
No
Yes, Screen flash

Weight

188 grams
192 grams
201 grams

Colors

Titanium Sapphire, Crystal Symphony
Black, Blue, White
Sonic Black, Sonic Blue, Mirror Black

Build

Plastic
Back: Plastic
Back: Plastic

Dimensions

163.8 x 75.3 x 8.3 mm
163.7 x 75.3 x 8.9 mm
162.39 x 77.33 x 8.85 mm

SAR Value

-
Head: 0.831 W/kg
Head: 0.752 W/kg, Body: 0.402 W/kg

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Triple, 48MP + 8MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
Triple, 16MP + 8MP + 2MP

Rear Camera 1 Resolution

48 MP
48 MP
16 MP

Rear Camera 1 Type

f/1.79, Wide Angle Primary Camera
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/1.78, Wide Angle Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 1.12 micrometre pixel size

Rear Camera 2 Resolution

8 MP
8 MP
8 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size
16 mm focal length

Rear Camera 3 Resolution

2 MP
2 MP
2 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Depth Camera

Rear Aperture

f/1.79
f/2.0
f/1.78

OIS

-
No
-

Rear Camera 4 Resolution

-
2 MP
-

Rear Camera 4 Type

-
f/2.4, Depth Camera
-

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Rear
Rear

Face Unlock

Yes
Yes
Yes

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