Realme C21 vs Xiaomi Poco X3 Pro
Shop Android Smartphones
Realme C21
Starting at
£198.00
Xiaomi Poco X3 Pro
Starting at
£170.00What's the difference between the Realme C21 and Xiaomi Poco X3 Pro?
Realme C21 vs Xiaomi Poco X3 Pro comes down to the chipset, RAM and battery. Refurbished, the Xiaomi Poco X3 Pro starts at £170, £28 less than the Realme C21.
Refurbished from
Chipset
RAM
Battery
Screen size
Main camera
- Chipset: Mediatek MT6765G Helio G35 on the Realme C21, Snapdragon 860 SM8150-AC (7 nm) on the Xiaomi Poco X3 Pro.
- The Xiaomi Poco X3 Pro has more RAM: 6 GB vs 4 GB.
- The Xiaomi Poco X3 Pro has a bigger battery: 5160 mAh vs 5000 mAh.
Realme C21 vs Xiaomi Poco X3 Pro specs
The Realme C21 and Xiaomi Poco X3 Pro both launched in 2021 but serve different needs. The Poco X3 Pro offers a stronger processor and more RAM, making it suitable if you want smoother multitasking and better performance for demanding apps. It also has a higher resolution screen and bigger storage options, providing a sharper display and more space for files and apps. The Realme C21 has a slightly smaller screen and less memory but still offers good battery life and essential features for everyday use. Camera capabilities differ notably, with the Poco X3 Pro capturing more detail in photos. Choose the Realme C21 for simple, reliable use or the Poco X3 Pro if you want more power and a richer screen experience.
Realme C21 vs Xiaomi Poco X3 Pro price
Colour
- BlackSold out
- BlackSold out
- BlueSold out
Storage
- 64GBSold out
- 128GBSold out
- 256GBSold out
Realme C21 vs Xiaomi Poco X3 Pro battery life and software updates
Battery capacity and software updates affect how long a device lasts between charges and over time. The battery sizes are close, which influences daily endurance.
Battery Capacity
The Realme C21 has a 5000 mAh battery, which suits users looking for long use without frequent charging. The Xiaomi Poco X3 Pro has a slightly larger 5160 mAh battery, offering a bit more power to keep going throughout the day. Both batteries support typical daily use well.
Software Updates
This means both will run a stable version of Android from their release period but will not have the newest features or improvements introduced after their current versions.
Battery
Fast charging
Foldable
Ip rating
Year of release
Realme C21 vs Xiaomi Poco X3 Pro performance
Performance depends on the chipset, RAM, and storage, influencing how smoothly apps run and how much you can keep open at once. Storage size also matters if you have many apps or media files.
Processor Power
The Realme C21 uses the Mediatek MT6765G Helio G35 chipset, suitable for everyday tasks like browsing and messaging. The Xiaomi Poco X3 Pro features the Snapdragon 860 SM8150-AC built on 7 nm technology, providing more power for demanding applications and multitasking. This makes the Poco better for users who run heavier apps or games.
RAM Capacity
Realme C21 offers 4 GB of RAM, which handles common apps and multitasking comfortably. The Poco X3 Pro comes with 6 GB of RAM, allowing you to keep more apps open and switch between them with less slowdown. This is useful if you use many apps throughout the day.
Storage Options
Realme C21 has 64 GB of storage, enough for essential apps and some media files. Xiaomi Poco X3 Pro provides larger storage options of 128 GB and 256 GB, which suits users who save many photos, videos, or large apps without needing to clear space often.
Chipset
RAM
Realme C21 vs Xiaomi Poco X3 Pro screen
Screen size and resolution affect how much you see and how sharp images appear. Both devices use IPS LCD screens, which offer consistent colours and viewing angles.
Screen Resolution
The Realme C21 has a 720 x 1600 resolution, suitable for everyday use and clear enough for most apps and videos. The Xiaomi Poco X3 Pro's 1080 x 2400 resolution delivers sharper and more detailed images, which benefits users who watch high-definition content or want finer text and graphics.
Screen Size
Realme C21 features a 6,5 inch screen, offering a good balance between size and handling for daily tasks. The Poco X3 Pro's screen is slightly larger at 6.67 inches, providing more space for videos, games, and browsing, ideal if you prefer a more immersive viewing experience.
Refresh rate
Resolution
Screen size
Screen type
Realme C21 vs Xiaomi Poco X3 Pro camera
Camera quality impacts how detailed your photos and videos appear, especially for selfies and main shots.
Front Camera
The Realme C21 has a 5 megapixels front camera, which captures clear selfies for video calls and social media. The Xiaomi Poco X3 Pro offers a 20 megapixels front camera, providing more detail and sharper images for selfies and video chats.
Main Camera
Realme C21 comes with a 13 megapixels main camera, suitable for everyday photos and casual photography. Xiaomi Poco X3 Pro's 48 megapixels main camera takes photos with greater detail and clarity, which benefits users who want higher resolution images or plan to crop or enlarge pictures.
Camera type
Front camera
Main camera
Realme C21 vs Xiaomi Poco X3 Pro size and design
Other factors like device size, weight, network compatibility and memory expansion can affect comfort and convenience in daily use.
Physical Dimensions
The Realme C21 measures 165.2 mm in height, 76.4 mm in width, and 8.9 mm in depth, weighing 190 g. The Poco X3 Pro is slightly taller at 165.3 mm, wider at 76.8 mm and thicker at 9.4 mm, with a heavier weight of 215 g. The Realme's lighter, slimmer design suits users who prefer a more compact and easier to hold device.
Network and SIM
Both devices support 4G mobile networks and come unlocked with dual physical SIM card slots. This allows flexible use with different carriers or plans on either device.
Expandable Storage
Both the Realme C21 and Xiaomi Poco X3 Pro support microSDXC cards, so you can add extra storage space beyond their built-in capacities. This is helpful for users who store many photos, videos or apps.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Realme C21 or Xiaomi Poco X3 Pro: which should you buy?
Buy the Realme C21 if
- you want a lighter build (190 g vs 215 g)
Buy the Xiaomi Poco X3 Pro if
- you want to spend less: it starts at £170, £28 less than the Realme C21
- you want more RAM (6 GB vs 4 GB)
- you want a bigger battery (5160 mAh vs 5000 mAh)
Realme C21 vs Xiaomi Poco X3 Pro FAQs
Realme C21 vs Xiaomi Poco X3 Pro comes down to the chipset, RAM and battery. Chipset: Mediatek MT6765G Helio G35 on the Realme C21, Snapdragon 860 SM8150-AC (7 nm) on the Xiaomi Poco X3 Pro. The Xiaomi Poco X3 Pro has more RAM: 6 GB vs 4 GB.
The Xiaomi Poco X3 Pro is cheaper refurbished, from £170 compared with £198 for the Realme C21.
The Xiaomi Poco X3 Pro has a bigger battery: 5160 mAh vs 5000 mAh.
The Xiaomi Poco X3 Pro has a higher-resolution main camera: 48 megapixels vs 13 megapixels.
Refurbished, the Realme C21 comes in 64GB, and the Xiaomi Poco X3 Pro in 128GB and 256GB.
