Poco F4 5g 8gb Ram vs Vivo Y21 5g

Should you buy POCO F4 5G 8GB RAM or Vivo Y21 5G? Find out which mobile phone is best for you - compare the two models on the basis of price... and key specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

SpecificationsPOCO F4 5G 8GB RAMVivo Y21 5G
Price25990.018991.0
Operating SystemAndroid v12Android 16
Display6.67 inches (16.94 cm)
Camera64 MP + 8 MP + 2 MP And 20 MP50MP + 0.08MP And 5MP
Battery4500 mAh
Read More
Vivo Y21 5g
32% OFF
Discounted price:₹22,499Original price:₹32,999
Add Product
Add Product Blue Add a Phone
Show me the differences

Key Specs

Battery

4500 mAh -

Display

6.67 inches (16.94 cm) -

Front Camera

20 MP -

Processor

Qualcomm Snapdragon 870 -

RAM

8 GB -

Rear Camera

64 MP + 8 MP + 2 MP -

Audio

Audio Features

- Stereo speakers

Audio Jack

- 3.5mm

Loudspeaker

- Yes

Stereo Speakers

- Dual Stereo Speakers

Battery

Capacity

4500 mAh 6500mAh

Quick Charging

Yes, Sonic, 67W: 100 % in 38 minutes 44W FlashCharge

Removable

No No

Standby Time

Up to 480 Hours(4G) / Up to 470 Hours(2G) -

Standby time

Up to 480 Hours(4G) / Up to 470 Hours(2G) -

Type

Li-Polymer Li-ion battery

USB Type-C

Yes Yes

Camera

Autofocus

- Yes

Flash

- Yes

Front Camera

- 5MP

Image Resolution

- 1600 × 720 pixel

Rear Camera

- 50MP + 0.08MP

Video Recording

- 1080p at 30 fps

Design

Build Material

- Glass front, plastic frame, and composite plastic back

Colours

Night Black, Neptune Green Champagne Gold, Midnight Blue

Form Factor

- Candybar form factor

Height

163.2 mm -

Ruggedness

Dust proof -

Thickness

7.7 mm -

Water Resistance

- IP65

Waterproof

Yes, Splash proof, IP53 -

Weight

195 grams Below 209 gram

Width

75.9 mm -
Not sure which
mobile to buy?

Dimensions

Dimensions

- 16.74 × 7.71 × 0.839 cm

Height

- 16.74 cm

Thickness

- 0.839 cm

Width

- 7.71 cm

Display

Aspect Ratio

20:9 20:9

Bezel-less display

Yes with punch-hole display Punch-hole LCD

Brightness

1300 nits 1200 nits

Display Type

AMOLED HD+ IPS LCD

HDR 10 / HDR+ support

Yes, HDR 10+ -

Pixel Density

395 ppi 260 ppi

Refresh Rate

120 Hz 120Hz

Resolution

1080x2400 px (FHD+) 1600 × 720 pixel

Screen Protection

Corning Gorilla Glass v5 -

Screen Size

6.67 inches (16.94 cm) 6.74 inch

Screen to Body Ratio (calculated)

86.71 % -

Screen to Body Ratio (claimed by the brand)

- 90.6%

Touch Screen

Yes, Capacitive Touchscreen, Multi-touch -

Front Camera

Camera Setup

Single -

Resolution

20 MP f/2.4, Wide Angle, Primary Camera(0.8µm pixel size) -

Sensor

Exmor RS -

Video Recording

1920x1080 @ 30 fps 1280x720 @ 30 fps -

General

Brand

POCO Vivo

Custom UI

MIUI OriginOS 6

Launch Date

June 27, 2022 (Official) March 25, 2026

Model

- Y21

Operating System

Android v12 Android 16

Main Camera

Autofocus

Yes, Phase Detection autofocus -

Camera Features

Digital Zoom Auto Flash Custom Watermark Face detection Touch to focus -

Camera Setup

Triple -

Flash

Yes, LED Flash -

Image Resolution

9000 x 7000 Pixels -

OIS

Yes -

Resolution

64 MP f/1.8, Wide Angle, Primary Camera(0.7µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera 2 MP f/2.4, Macro Camera -

Sensor

OVB64B -

Settings

Exposure compensation, ISO control -

Shooting Modes

Continuous Shooting High Dynamic Range mode (HDR) Burst mode -

Video Recording

3840x2160 @ 30 fps 1920x1080 @ 30 fps -

Video Recording Features

Dual Video Recording Movie Frame Vlog Mode Short Video Mode -

Multimedia

Audio Features

Dolby Atmos -

Audio Jack

USB Type-C -

FM Radio

No -

Loudspeaker

Yes -

Network & Connectivity

Bluetooth

Yes, v5.2 v5.4

GPS

Yes with A-GPS, Glonass Yes

NFC

Yes Yes

Network Support

5G Supported in India, 4G Supported in India, 3G, 2G 5G

SAR Value

Head: 0.840 W/kg, Body: 0.812 W/kg -

SIM 1

5G Bands: FDD N1 / N3 / N5 / N8 / N28 TDD N38 / N40 / N41 / N77 / N78 4G Bands: TD-LTE 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

4G Bands: TD-LTE 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 Size

SIM1: Nano, SIM2: Nano Nano Sim

SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE Dual Nano Sim

USB Connectivity

Mass storage device, USB charging -

VoLTE

Yes Yes

Wi-Fi

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

Wi-Fi Calling

- Yes

Wi-Fi Features

Mobile Hotspot -

Performance

Architecture

64 bit -

CPU

Octa core (3.2 GHz, Single core, Kryo 585 + 2.42 GHz, Tri core, Kryo 585 + 1.8 GHz, Quad core, Kryo 585) -

Chipset

Qualcomm Snapdragon 870 -

Fabrication

7 nm -

Graphics

Adreno 650 ARM Mali-G57 MC2

Processor

- MediaTek Dimensity 6300

Processor Fabrication

- 6nm

RAM

8 GB 4GB/6GB/8GB

RAM Type

LPDDR5 LPDDR4X

RAM type

LPDDR5 -

Sensors

Fingerprint Sensor

Yes Side-mounted

Fingerprint Sensor Position

Side -

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope Accelerometer, Ambient Light Sensor, Proximity Sensor, E-Compass, Magnetometer

Storage

Expandable Memory

No Upto 2TB via microSD

Internal Memory

128 GB 128GB

Storage Type

UFS 3.1 UFS 2.2

USB OTG

Yes -
Scoring parameters
How is the score calculated?

This is a relative score calculated on the basis of the following specifications:

  • score popup Performance
  • score popup Battery
  • score popup Camera
  • score popup Storage
  • score popup Display

Each Mobiles has been benchmarked against ~31,000 other phones to calculate the score.

For personalized scores based on your preference, you can visit Mobile Recommender to check scores of the recommended Mobiles for you.