Galaxy M52 5G vs Realme C21
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Galaxy M52 5G
Starting at
£206.00
Realme C21
Starting at
£198.00What's the difference between the Galaxy M52 5G and Realme C21?
Galaxy M52 5G vs Realme C21 comes down to the chipset, RAM and screen size. Refurbished, the Realme C21 starts at £198, £8 less than the Galaxy M52 5G.
Refurbished from
Chipset
RAM
Screen size
Screen type
Main camera
- Chipset: Qualcomm SM7325 Snapdragon 778G 5G (6 nm) on the Galaxy M52 5G, Mediatek MT6765G Helio G35 on the Realme C21.
- The Galaxy M52 5G has more RAM: 6 GB vs 4 GB.
- Screen size: 6.7 inch on the Galaxy M52 5G, 6,5 inch on the Realme C21.
Galaxy M52 5G vs Realme C21 specs
The Galaxy M52 5G and Realme C21, both released in 2021, serve different needs based on their features. The Galaxy M52 5G offers a higher resolution Super AMOLED Plus screen and a more powerful Snapdragon 778G chipset with 6 GB RAM, making it suitable for users who want smoother performance and sharper visuals. It also has 5G support and larger storage at 128GB. The Realme C21, with 4 GB RAM and a Helio G35 chipset, suits those looking for a simpler device for everyday use and 4G connectivity. Both share the same battery capacity and dual SIM support, but the Galaxy M52 5G is slimmer and lighter, which may appeal if portability is important.
Galaxy M52 5G vs Realme C21 price
Colour
- BlueSold out
- BlackSold out
Storage
- 128GBSold out
- 64GBSold out
Galaxy M52 5G vs Realme C21 battery life and software updates
This means your choice here depends on other factors like battery size and basic software platform.
Battery Capacity
Both the Galaxy M52 5G and Realme C21 come with a 5000 mAh battery. This large capacity should provide similar endurance on a single charge, making either device suitable if you want a phone that lasts through long days without frequent recharging.
Operating System
Both devices run Android, ensuring access to a wide range of apps and features expected from modern smartphones.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy M52 5G vs Realme C21 performance
Performance differs noticeably between the two phones, with the Galaxy M52 5G offering stronger processing power and more RAM, along with larger storage. These differences affect multitasking, app responsiveness, and storage for files and apps.
Chipset Power
The Galaxy M52 5G uses a Qualcomm SM7325 Snapdragon 778G 5G chipset built on a 6 nm process, designed for efficient and capable performance. This suits users who run demanding apps, multitask, or want smoother gaming and general responsiveness. The Realme C21 is powered by a Mediatek MT6765G Helio G35 chipset, appropriate for everyday tasks and simpler app use.
RAM Capacity
With 6 GB RAM, the Galaxy M52 5G supports more apps running simultaneously and smoother switching between them. The Realme C21 has 4 GB RAM, suitable for basic multitasking and everyday use but with fewer apps open at once.
Storage Size
The Galaxy M52 5G offers 128GB of storage, which provides ample space for apps, photos, videos, and other files. The Realme C21 comes with 64GB, enough for everyday use but less suited to users who store a lot of media or apps.
Chipset
RAM
Galaxy M52 5G vs Realme C21 screen
Screen quality varies significantly, impacting your viewing experience for videos, games, and general usage. Differences in resolution, screen size, and panel type mean the Galaxy M52 5G provides a more vivid and spacious display.
Resolution and Size
The Galaxy M52 5G features a 6.7 inch screen with 1080 x 2400 resolution, delivering sharp and detailed images on a larger display. The Realme C21 has a 6.5 inch screen with 720 x 1600 resolution, which is suitable for standard viewing but less detailed.
Screen Type
The Galaxy M52 5G uses a Super AMOLED Plus screen, which generally offers deeper blacks, richer colours, and better contrast. The Realme C21 has an IPS LCD, which provides consistent colours and good viewing angles but with less vibrancy.
Refresh rate
Resolution
Screen size
Screen type
Galaxy M52 5G vs Realme C21 camera
Camera capabilities differ strongly, affecting how detailed and clear your photos and selfies will be. The Galaxy M52 5G offers higher megapixel counts on both front and main cameras, ideal for users who prioritise photography.
Front Camera Detail
The Galaxy M52 5G has a 32 megapixel front camera, capturing more detail and making it well suited for high-quality selfies and video calls. The Realme C21 features a 5 megapixel front camera, suitable for everyday video chats and casual selfies.
Main Camera Resolution
With a 64 megapixel main camera, the Galaxy M52 5G can capture photos with more detail and clarity, beneficial for users who take many pictures or want sharper images. The Realme C21 has a 13 megapixel main camera, fitting for simpler photography needs.
Camera type
Front camera
Main camera
Galaxy M52 5G vs Realme C21 size and design
Other practical differences include physical size, network capabilities, and extras like SIM and memory card options. These details affect portability, connectivity speed, and expandability.
Network Connectivity
The Galaxy M52 5G supports 5G networks, offering faster data speeds where 5G coverage is available. The Realme C21 supports 4G, suitable for users who do not require the latest mobile network speeds.
Dimensions and Weight
The Galaxy M52 5G is slimmer at 7.4 mm and lighter at 173 g, making it easier to hold and carry. The Realme C21 is slightly thicker at 8.9 mm and heavier at 190 g, which may feel more substantial in hand.
SIM and Storage Expansion
Both devices support dual physical SIM cards and microSDXC cards, allowing you to use two phone numbers and expand storage as needed.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Galaxy M52 5G or Realme C21: which should you buy?
Buy the Galaxy M52 5G if
- you want more RAM (6 GB vs 4 GB)
- you want an OLED screen
- you want a higher-resolution main camera (64 megapixels vs 13 megapixels)
Buy the Realme C21 if
- you want to spend less: it starts at £198, £8 less than the Galaxy M52 5G
Galaxy M52 5G vs Realme C21 FAQs
Galaxy M52 5G vs Realme C21 comes down to the chipset, RAM and screen size. Chipset: Qualcomm SM7325 Snapdragon 778G 5G (6 nm) on the Galaxy M52 5G, Mediatek MT6765G Helio G35 on the Realme C21. The Galaxy M52 5G has more RAM: 6 GB vs 4 GB.
The Realme C21 is cheaper refurbished, from £198 compared with £206 for the Galaxy M52 5G.
Both have the same battery: 5000 mAh.
The Galaxy M52 5G has a higher-resolution main camera: 64 megapixels vs 13 megapixels.
Updates for the Galaxy M52 5G ended in Nov 2025. We don't have published update dates for the Realme C21.
Refurbished, the Galaxy M52 5G comes in 128GB, and the Realme C21 in 64GB.









