Realme 9i 5g 128gb vs Vivo Y21 5g

Should you buy Realme 9i 5G 128GB 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.

SpecificationsRealme 9i 5G 128GBVivo Y21 5G
Price19999.020999.0
Operating SystemAndroid v12Android 16
Display6.6 inches (16.76 cm)
Battery5000 mAh
Camera50 MP + 2 MP + 2 MP And 8 MP50MP + 0.08MP And 5MP
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Vivo Y21 5g
36% OFF
Discounted price:₹20,999Original price:₹32,999
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Key Specs

Battery

5000 mAh -

Display

6.6 inches (16.76 cm) -

Front Camera

8 MP -

Processor

MediaTek Dimensity 810 MT6833 -

RAM

6 GB -

Rear Camera

50 MP + 2 MP + 2 MP -

Audio

Audio Features

- Stereo speakers

Audio Jack

- 3.5mm

Loudspeaker

- Yes

Stereo Speakers

- Dual Stereo Speakers

Battery

Capacity

5000 mAh 6500mAh

Quick Charging

Yes, Fast, 18W 44W FlashCharge

Removable

No No

Type

Li-ion 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

Soulful Blue, Rocking Black, Metallica Gold Champagne Gold, Midnight Blue

Form Factor

- Candybar form factor

Height

164.4 mm -

Thickness

8.1 mm -

Water Resistance

- IP65

Weight

187 grams 209 gram

Width

75.1 mm -
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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 waterdrop notch Punch-hole LCD

Brightness

400 nits 1200 nits

Display Type

IPS LCD HD+ IPS LCD

Pixel Density

400 ppi 260 ppi

Refresh Rate

90 Hz 120Hz

Resolution

1080x2408 px (FHD+) 1600 × 720 pixel

Screen Size

6.6 inches (16.76 cm) 6.74 inch

Screen to Body Ratio (calculated)

85.18 % -

Screen to Body Ratio (claimed by the brand)

90.4 % 90.6%

Touch Screen

Yes, Capacitive Touchscreen, Multi-touch -

Front Camera

Camera Setup

Single -

Resolution

8 MP f/2.0, Wide Angle, Primary Camera(27 mm focal length) -

General

Brand

realme Vivo

Custom UI

Realme UI OriginOS 6

Launch Date

August 24, 2022 (Official) March 25, 2026

Model

- Y21

Operating System

Android v12 Android 16

Main Camera

Autofocus

Yes -

Camera Features

Digital Zoom Auto Flash Face detection Filters Touch to focus -

Camera Setup

Triple -

Flash

Yes, LED Flash -

Image Resolution

8150 x 6150 Pixels -

Resolution

50 MP f/1.8, Primary Camera(2.55" sensor size)2 MP f/2.4, Depth Camera 2 MP f/2.4, Macro Camera -

Settings

Exposure compensation, ISO control -

Shooting Modes

Continuous Shooting High Dynamic Range mode (HDR) -

Video Recording

1920x1080 @ 30 fps -

Multimedia

Audio Jack

3.5 mm -

Loudspeaker

Yes -

Network & Connectivity

Bluetooth

Yes, v5.2 v5.4

GPS

Yes with A-GPS, Glonass Yes

NFC

No Yes

Network Support

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

SAR Value

Head: 1.189 W/kg, Body: 0.740 W/kg -

SIM 1

5G Bands: FDD N1 / N5 / N8 / N28 TDD N41 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 19) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available -

SIM 2

5G Bands: FDD N1 / N5 / N8 / N28 TDD N41 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 19) / 800(band 20) 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 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 (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55) -

Chipset

MediaTek Dimensity 810 MT6833 -

Fabrication

6 nm -

Graphics

Mali-G57 MC2 ARM Mali-G57 MC2

Processor

- MediaTek Dimensity 6300

Processor Fabrication

- 6nm

RAM

6 GB 4GB/6GB/8GB

RAM Type

LPDDR4X LPDDR4X

RAM type

LPDDR4X -

Sensors

Fingerprint Sensor

Yes Side-mounted

Fingerprint Sensor Position

Side -

Other Sensors

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

Storage

Expandable Memory

Yes, Up to 1 TB Upto 2TB via microSD

Internal Memory

128 GB 128GB

Storage Type

UFS 2.2 UFS 2.2

USB OTG

Yes -

User Available Storage

Up to 107 GB -
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.