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Realme C21
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Battery: 5000 mAh
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RAM: 3GB, 4GB
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Storage: 32GB, 64GB
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Display: IPS LCD, 6.5 inches
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Camera: Rear 13 MP+2 MP+2 MP, and Front 5MP
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OS: Android 10, Realme UI
Full Specifications
Price
| Official | 10,990 BDT 3GB/32GB, 11,990 BDT 4GB/64GB Approx. |
General
| Model | Realme C21 |
| Announced | 2021, March 05 |
| Released | 2021, March 05 |
| Status | Available |
Design
| Dimensions | 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in) |
| Weight | 190 g (6.70 oz) |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Dual SIM (Nano-SIM, dual stand-by) |
| Colors | Cross Black, Cross Blue |
Display Specification
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | IPS LCD, 400 nits |
| Size | 6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio) |
| Resolution | 720 x 1600 pixels, 20:9 ratio |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 270 ppi density |
Platform
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android 10, Realme UI |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Mediatek MT6765G Helio G35 (12 nm) |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | PowerVR GE8320 |
Main Camera
| Camera Setup | Dual |
| Resolution |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
Selfie Camera
| Camera Setup | Single |
| Resolution | 5 MP, f/2.2, (wide), 1/5.0", 1.12µm |
| Video | 1080p@30fps |
| Features | HDR, panorama |
Network & Connectivity
| Technology | GSM / HSPA / LTE |
| Speed | HSPA, LTE |
| Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 802.11 b/g/n |
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | 5.0, A2DP, LE |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. | No |
| Positioning | GPS, GLONASS, BDS |
| FM Radio | Yes |
| USB | microUSB 2.0, OTG |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 2100 |
| 4G Network |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International 1, 3, 5, 8, 38, 40, 41 - India |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 5000 mAh |
| Removable | No |
| Charging |
10W wired Reverse wired |
| Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. | No |
Multimedia
| Loudspeaker | Yes |
| Audio Jack | Yes |
Storage
| Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. | microSDXC (dedicated slot) |
| Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored. |
32GB 3GB RAM, 64GB 4GB RAM eMMC 5.1 |
Sensors
| Fingerprint | Yes (rear-mounted) |
| Other Sensors | accelerometer, proximity, compass |
PROS
- Long-lasting battery life
- Stable performance for daily use
- Reverse charging support
- Affordable and durable design
- FM radio and 3.5mm headphone jack
CONS
- HD+ resolution only
- Slow 10W charging
- Basic camera performance
- Outdated Android version out of the box
About the Realme C21:
The Realme C21 is a budget-friendly smartphone launched in March 2021, targeting users who need a reliable device for daily use with good battery life and a simple Android experience. It features a 6.5-inch IPS LCD display with HD+ resolution and a tall 20:9 aspect ratio, making it comfortable for watching videos, browsing social media, and reading. The display offers up to 400 nits of brightness, which is decent for indoor and moderate outdoor usage.
The phone is powered by the MediaTek Helio G35 chipset, which is built on a 12nm process and designed for entry-level performance. Paired with 3GB or 4GB RAM, the Realme C21 can handle basic multitasking, calling, messaging, Facebook, YouTube, and light gaming without major issues. Storage options include 32GB and 64GB, and users can expand storage easily using the dedicated microSD card slot.
For photography, the Realme C21 comes with a dual rear camera setup, led by a 13MP main camera and a 2MP macro sensor. The camera delivers acceptable photos in good lighting conditions. The 5MP front camera is suitable for selfies and video calls. Both front and rear cameras support 1080p video recording.
Battery life is one of the strongest points of the Realme C21. It packs a 5000mAh battery that can easily last a full day or more on normal usage. The phone supports 10W charging and also offers reverse wired charging, which is useful in emergencies. With a rear-mounted fingerprint sensor and classic design, the Realme C21 remains a practical option in the budget segment.
Main Key Features
- 6.5-inch IPS LCD HD+ display
- MediaTek Helio G35 processor
- 13MP dual rear camera
- 5MP selfie camera
- 5000mAh battery
- Reverse wired charging
- Rear-mounted fingerprint sensor
- Dedicated microSD card slot
Why Choose This Phone?
The Realme C21 is a good choice for users who want a simple, dependable smartphone for everyday tasks. It is suitable for students, elderly users, and budget buyers who prioritize battery life, reliability, and essential features over performance and advanced technology.
Opinions:
In my opinion, the Realme C21 is a solid entry-level smartphone that focuses on essentials. While it does not offer premium features, it delivers good battery life and stable performance, making it a practical choice for basic smartphone users.
Check Other Models of Realme:
FAQs about Realme C21
Q: Does the Realme C21 support 5G?
A: No, the Realme C21 supports only 4G LTE networks.
Q: Is the Realme C21 good for gaming?
A: It is suitable for light gaming but not for heavy or high-end games.
Q: Does the Realme C21 have fast charging?
A: No, it supports standard 10W charging.
Q: How long does the battery last?
A: The 5000mAh battery can easily last more than one day with normal usage.
Q: Is the Realme C21 worth buying now?
A: Yes, if you want a low-cost phone with good battery life and essential features.
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