The realme has become very popular in the budget phone market with its feature-packed phones. The brand launched the C21Y on 23rd August 2021, adding another good option to its affordable C series. Even though it is a budget phone, the C21Y offers more than just calling and texting.
The realme C21Y has a slim shape with curved edges and a new Geometric Art design for a stylish look. The back comes in Cross Black and Cross Blue colours. Priced under Rs. 10,000, it has good features like a 5000 mAh battery, AI triple rear cameras, and an efficient Unisoc processor. It is available in two versions: 3GB RAM + 32GB storage and 4GB RAM + 64GB storage.
Learn more about the details and prices of this mobile on Bajaj Mall. You can also visit one of 1.5 lakh Bajaj Finserv partner stores across 4,000+ cities in India. Shop on Easy EMIs using the Bajaj Finserv financing options, which has benefits like zero down payment and free home delivery on select products.
realme C21Y - Full phone specifications and features
You can find all the important details of the realme C21Y in the table below. Check its full features and specifications to know more about this smartphone.
Specs
|
Details
|
RAM
|
3GB, 4GB
|
Storage
|
32GB, 64GB (Expandable up to 256GB)
|
Processor
|
Unisoc T610 Octa-Core processor
|
Rear cameras
|
13MP + 2MP + 2MP
|
Front camera
|
5MP
|
Display
|
6.5-inch HD+ LCD
|
Battery
|
5,000 mAh
|
Operating System
|
realme UI based on Android 11
|
Now, let us learn about the realme C21Y features and specifications in details below.
General
The realme C21Y is a solid budget smartphone with a 6.5‑inch HD+ screen, powerful 5000 mAh battery, and dependable Unisoc T610 chipset. It runs Android 11 and offers reliable daily performance at an affordable price.
Specification
|
Detail
|
Dimensions
|
164.5 mm × 76 mm × 9.1 mm
|
Weight
|
200 g
|
Processor
|
Unisoc T610 octa‑core (2×1.8 GHz + 6×1.8 GHz)
|
Operating system
|
Android 11 (realme UI)
|
Also check: Slim and lightweight mobiles
Display
The realme C21Y features a large, easy‑to‑read 6.5‑inch HD+ display that is great for watching videos, browsing and reading. The screen works smoothly in bright and indoor light, making it ideal for daily tasks with clear visuals.
Specification
|
Detail
|
Screen type
|
IPS LCD, multi‑touch
|
Size
|
6.5-inch (16.51 cm)
|
Resolution
|
720 x 1600 pixel
|
Brightness
|
400 cd/m² (typical)
|
Aspect ratio
|
20:9
|
Also check: Big screen mobile phones
Performance
When it comes to performance, the realme C21Y delivers dependable results for everyday tasks and mild gaming. Its Unisoc T610 chipset ensures smooth browsing, calling, and app use without slowing down, making it a solid choice for daily use.
Specification
|
Detail
|
SoC
|
Unisoc T610 octa-core
|
CPU cores
|
2 × 1.8 GHz Cortex-A75 + 6 × 1.8 GHz Cortex-A55
|
GPU
|
Mali-G52 GPU
|
RAM
|
3GB/4GB LPDDR4X
|
Performance benchmark
|
~240,000 points (AnTuTu)
|
The realme C21Y features reliable cameras for everyday use. The 13MP main sensor with PDAF captures clear shots, while a 2MP depth and 2MP macro lens add versatility. A 5MP front camera delivers crisp selfies and supports video calling for daily memories.
Specification
|
Detail
|
Rear cameras
|
13MP (main, f/2.2, PDAF) + 2MP macro + 2MP depth
|
Rear video
|
1080p at 30 fps
|
Front camera
|
5MP (f/2.2)
|
Front video
|
1080p at 30 fps
|
Additional features
|
HDR, Night Mode, Portrait, Panorama
|
Also check: Best camera mobile phones
Software
The realme C21Y runs on realme UI based on Android 11, offering a simple and clean interface. Regular security patches keep the phone secure and stable, with updates improving performance and fixing bugs over time.
Specification
|
Detail
|
Operating system
|
Android 11 with realme UI
|
UI version
|
realme UI (based on Android 11)
|
Security updates
|
Monthly patches
|
Android upgrade limit
|
No official Android 12 update planned
|
Also check: Cheapest Android phones
Network connectivity
The realme C21Y offers strong connectivity options, perfect for daily browsing, calling, and social media. It works well across 4G and 3G networks in India, and also supports Wi‑Fi and Bluetooth for home or travel use.
Specification
|
Detail
|
Network support
|
GSM / 2G / 3G / 4G LTE (bands 1/3/5/8/38/40/41)
|
SIM
|
Dual nano‑SIM
|
Wi‑Fi
|
802.11 b/g/n
|
Bluetooth
|
5.0, A2DP, LE
|
GPS
|
GPS, A‑GPS, GLONASS, BDS
|
USB
|
micro‑USB 2.0 with OTG
|
Headphone jack
|
3.5 mm jack included
|
Also check: Upcoming 5G mobile phones
Sensors
The realme C21Y includes essential sensors for smooth and safe use. These help with navigation, screen brightness, and secure unlocking. They support everyday tasks like calls, maps, and step tracking effortlessly.
Specification
|
Detail
|
Fingerprint sensor
|
Rear-mounted
|
Accelerometer
|
Detects motion for screen rotation and apps
|
Proximity sensor
|
Turns off screen during calls
|
Ambient light sensor
|
Adjusts screen brightness automatically
|
Compass (magnetic)
|
Helps in navigation apps like maps
|
Gyroscope (if present)
|
Supports gaming and motion-based apps
|
Also check: Display fingerprint scanner phones
Design
The realme C21Y features a sleek design with a plastic back and glass front. At 200 g and 9.1 mm thick, it feels sturdy yet balanced in hand. Its thoughtful design makes it easy for everyday use.
Specification
|
Detail
|
Dimensions
|
164.5 mm × 76 mm × 9.1 mm
|
Weight
|
200 g
|
Body material
|
Plastic back, glass front
|
Design style
|
Minimalist look, rear-mounted fingerprint sensor
|
Also check: Big screen mobile phones
Hardware and storage
The realme C21Y offers solid hardware for daily tasks. It features smooth multitasking capabilities and storage options that let you save more photos, videos, and apps without worrying about space.
Specification
|
Detail
|
Processor
|
Unisoc T610 octa-core (2×1.8 GHz + 6×1.8 GHz)
|
GPU
|
Mali‑G52 MP2
|
RAM
|
3GB/4GB LPDDR4X
|
Internal storage
|
32GB/64GB eMMC 5.1
|
Expandable storage
|
microSD up to 256GB
|
Also check: 12GB RAM mobile phones
Battery
The realme C21Y comes with a 5000 mAh built-in battery that lasts all day with normal use. It supports reverse charging over OTG, letting you charge other devices when needed. The battery recharges via the included 10 W adapter, taking around 2–3 hours for a full charge.
Specification
|
Detail
|
Capacity
|
5000 mAh (typical)
|
Fast charging
|
10 W wired (included in-box)
|
Reverse charging
|
Yes, via OTG cable
|
Estimated charging time
|
2–3 hours to full via 10 W charger
|
Battery longevity
|
Designed to last throughout the day
|
Also check: 5,000 mAh battery phones
realme C21y - Price list in India (2025)
The realme C21Y offers reliable performance at an affordable price. With two RAM and storage options, it suits users looking for essential features without overspending. Check below for current rates and choose the variant that meets your needs.
Model
|
Price (Rs.)
|
realme C21Y 3 GB + 32 GB
|
7,499
|
realme C21Y 4 GB + 64 GB
|
7,990
|
Disclaimer: Prices may vary over time, kindly refer to the official website for the most accurate and updated pricing.
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Financing options with Bajaj Finserv
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Benefits of shopping with Bajaj Finserv’s financing options
- Competitive prices: Bajaj Finserv partner stores offer unbeatable prices, making sure that your purchase fits your budget effortlessly.
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