Realme has recently refreshed its budget-friendly C series with three new models: Realme C20, Realme C21, and Realme C25. In this article, we'll provide insights into comparing Realme C20, Realme C21, and Realme C25 to help you decide which one to go for. Let's dive right in!
1. Design and Color
- Realme C20:
Realme C20 boasts a simplistic design, focusing on mobility and high convenience with its solid, lightweight construction and curved edges, providing comfortable grip.
The back of the Realme C20 isn't just plain, featuring an eye-catching color-shifting effect where each 'color wave' moves impressively when the device is tilted under light. Additionally, Realme C20 keeps up with the current trend of youthful design with prominent vertically aligned Realme logo and a square camera module, which is quite contemporary.

Realme C20 keeps up with the current trend of youthful design.
- Realme C21:
Realme C21 features a sleek appearance with a common waterdrop notch front camera design, compact to increase display area for the screen. The curved frame hugs the body of the device, providing a snug, comfortable feel when held and used.
Moreover, the back with its bold cross-hatch design is both fashionable and practical, creating a strong visual impact while protecting against fingerprint smudges.
- Realme C25:
The back of the Realme C25 sports a rather simple design with diamond patterns, matte texture providing impressive effects when viewed from different angles. The manufacturer has equipped the Realme C25 model with a fingerprint sensor on the back, creating balance and harmony for the design while still providing convenience when unlocking during use.
Realme C25 is available in 2 main color options: Gray and Bright Blue, both elegant and equally attractive.

Realme C25 features a rather simple design with diamond patterns.
2. Display
- Realme C20:
Realme C20 features a borderless display with a waterdrop notch design housing the selfie camera. With a 20:9 aspect ratio and a 6.5-inch size, it optimizes space, allowing for more information display while remaining compact for on-the-go use.
The image quality of Realme C20 is quite good with an LCD panel for wide viewing angles and vibrant colors. Additionally, although the HD+ resolution may not be as sharp as Full HD+, this phone model is still sufficient to provide a great user experience.

Realme C20 features a borderless display.
- Realme C21:
Realme C21 is equipped with an IPS LCD display panel supporting wide color gamut for vibrant, lifelike images. The display offers a wide viewing angle of 178 degrees, allowing users to experience sharp images from any direction without the need to sit directly in front.
Additionally, the phone features a large 6.5-inch widescreen display with a fairly high HD+ resolution. This significant advantage ensures that your smartphone experiences are more comfortable and engaging.

Realme C21 is equipped with an IPS LCD display panel.
- Realme C25:
Realme C25 features a borderless display designed in a trendy waterdrop style, measuring up to 6.5 inches, allowing for more content display, enabling users to comfortably experience news and entertainment with videos, images on their phones. The device ensures a good user experience with high detail.
3. Camera
- Realme C20:
Realme C20 meets all your photography needs from regular shooting to portrait mode with hardware-based background blur using an 8 MP rear camera with an additional flash placed in a square cluster. The image quality from Realme C20 is quite decent in low-light conditions with natural, harmonious colors. Portrait photos on this device are also highly regarded with natural blur effects, depth, and subject highlighting.

Realme C20 caters to all photography needs.
- Realme C21:
Realme C21 features 3 rear cameras neatly housed in a square frame, accompanied by an LED flash that illuminates like a small flashlight. The main camera has a resolution of 13 MP, a 2 MP macro camera, and a 2 MP depth sensor. The camera provides features to maintain image clarity, the macro lens captures close-up details, and several features support every portrait, making your images sparkle and more beautiful.
- Realme C25:
Realme C25 is equipped with a triple rear camera setup, allowing users to capture various types of photos including portraits, bokeh shots, or wide-angle shots. The specifications are as follows: a 48 MP main camera, a macro camera, and a 2 MP portrait camera.

Equipped with a triple rear camera setup, users can capture various types of photos.
In addition to the rear cameras, the front camera of the device is also well-favored with an 8 MP resolution, equipped with AI technology and accompanying features, allowing you to take 'premium' selfies to share on social media with friends.
4. Phone Performance
- Realme C20:
Realme C20 is equipped with the MediaTek Helio G35 chipset, an octa-core processor clocked at 2.3 GHz, optimized for stable gaming performance, typically found in budget smartphones. The PowerVR GE8320 GPU enhances graphics quality for smoother gaming experiences.
With an extremely power-efficient processor and excellent thermal management, you can game with peace of mind for extended periods without worrying about overheating or battery drain.

Realme C20 is equipped with the MediaTek Helio G35 chipset.
- Realme C21:
The Realme C21 phone utilizes the MediaTek Helio G35 octa-core chip manufactured on a 12nm process with a clock speed of 2.3 GHz, supporting users to run tasks on the device swiftly, with less lag. With HyperEngine technology, the robust G35 processor ensures smooth performance throughout gaming sessions, regardless of duration.
- Realme C25:
Realme C25 features the Helio G70 chip, a gaming-focused processor manufactured specifically for mid-range and budget phones. Paired with 4 GB of RAM and 128 GB of internal storage, expandable via MicroSD card slot, you have ample space to store photos, videos, movies, or download the hottest games on the market today.

Realme C25 is equipped with the Helio G70 chip.
5. Battery Capacity and Charging
- Realme C20:
Realme C20 boasts an enormous battery capacity of up to 5000 mAh along with the power-efficient MediaTek Helio processor. The product satisfies all entertainment, communication, and photography needs, lasting up to 2 days without worrying about running out of battery.
Besides, Realme smartphones also support reverse charging via cable, functioning similarly to a compact power bank, just requiring a suitable OTG charging cable to easily charge other devices or accessories anytime, anywhere.
- Realme C21:
Realme C21 is equipped with a large 5000 mAh battery, promising Realme's stamina phone to immerse users in endless entertainment, operating smoothly throughout the day.

The prominent Li-Po battery
Realme C21 also features reverse charging capability through the OTG connection port, turning your phone into a power bank when needed.
- Realme C25:
Realme C25 boasts an enormous battery capacity of up to 6000 mAh, allowing usage up to the second day without worrying about interruptions due to low battery. Not only does it feature a massive battery, but the device also supports 18W fast charging technology, enabling quick battery replenishment when necessary, helping users save time and meet their usage needs efficiently.
6. Comparison Table of Realme C20, Realme C21, and Realme C25
Tiêu chí | Realme C20 | Realme C21 | Realme C25 |
|---|---|---|---|
Kích thước | Dài 165.2 mm - Ngang 76.4 mm - Dày 8.9 mm | Dài 165.2 mm - Ngang 76.4 mm - Dày 8.9 mm | Dài 164.5 mm - Ngang 75.9 mm - Dày 9.6 mm |
Trọng lượng | 190 g | 190 g | 209 g |
Màn hình | - Tấm nền: LCD. - Kích thước: 6.5". - Độ phân giải: HD+ (720 x 1600 Pixels). - Tần số quét: 60 Hz. - Độ sáng tối đa: 400 nits. | - Tấm nền: IPS LCD. - Kích thước: 6.5". - Độ phân giải: HD+ (720 x 1600 Pixels). - Tần số quét: 60 Hz. - Độ sáng tối đa: 480 nits. | - Tấm nền: IPS LCD. - Kích thước: 6.5". - Độ phân giải: HD+ (720 x 1600 Pixels). - Tần số quét: 60 Hz. - Độ sáng tối đa: 480 nits. |
Hệ điều hành | Android 10 | Android 10 | Android 11 |
Vi xử lý | MediaTek Helio G35 8 nhân | MediaTek Helio G35 8 nhân | MediaTek Helio G70 8 nhân |
Bộ nhớ trong | 32 GB (khả dụng 16 GB) | 64 GB (khả dụng đang cập nhập) | 128 GB (khả dụng 108 GB) |
RAM | 2 GB | 4 GB | 4 GB |
Camera | - Camera sau:8 MP. - Camera trước: 5 MP. | - Camera sau: + Camera chính: 13 MP. + Camera phụ: 2 MP. - Camera trước: 5 MP. | - Camera sau: + Camera chính: 48 MP. + Camera phụ: 2 MP. - Camera trước: 8 MP. |
Pin | - Dung lượng pin: 5000 mAh. - Công nghệ pin: Sạc ngược qua cáp, tiết kiệm pin. | - Dung lượng pin: 5000 mAh. - Công nghệ pin: Sạc ngược qua cáp. | - Dung lượng pin: 6000 mAh. - Công nghệ pin: Sạc ngược qua cáp, sạc pin nhanh. |
Sạc | 10 W | 10 W | 18W |
7. Frequently Asked Questions
- What are the prices of Realme C20, Realme C20, and Realme C25?
Realme C20, Realme C20, and Realme C25 have different prices, depending on the memory capacity and product line. You can refer to the prices of the products at Mytour.
The Realme C20, Realme C20, and Realme C25 product lines at Mytour:- Which one to choose: Realme C20, Realme C21, or Realme C25?
Depending on your financial capability, usage needs, and personal preferences, you can opt for Realme C20, Realme C21, or Realme C25.
Realme C20 features a borderless display for unlimited experience, longer battery life, smoother processing performance, and countless other highlights.
Realme C21 is a smartphone with many great features such as a wide-open screen, high resolution, large battery capacity, and attractive price range.
Realme C25 focuses on gaming capabilities, boasts a 'massive' battery capacity, supports fast charging, and features an impressive triple camera system with 48 MP.

Owning Realme C20, Realme C21, and Realme C25
- Where to buy Realme C20, Realme C21, and Realme C25?
You should choose reputable stores and outlets to 'choose the right person for the job' and get yourself the desired phone.
Mytour is a leading and reputable retail system for phones nationwide, offering various warranty policies and attractive incentives that make it worth your visit!
- Phones come with a 1-year manufacturer's warranty.
- Like-for-like exchange within 12 months at nationwide retail outlets (free for the first month).
(*) The above warranty policies were updated as of 10/10/2021. Policies are subject to change over time.

Realme Warranty Policy at Mytour
For more information: Find Mytour, XANH Electronics on your phone or computer.
We hope that after reading this article, you have gained insights into comparing Realme C20, Realme C21, and Realme C25. Thank you for following along, and we look forward to seeing you in the next articles!
