Realme C21 vs Xiaomi 11T Pro
Shop Android Smartphones
Realme C21
Starting at
£198.00
Xiaomi 11T Pro
Starting at
£209.00What's the difference between the Realme C21 and Xiaomi 11T Pro?
Realme C21 vs Xiaomi 11T Pro comes down to the chipset, RAM and screen size. Refurbished, the Realme C21 starts at £198, £11 less than the Xiaomi 11T Pro.
Refurbished from
Chipset
RAM
Screen size
Screen type
Main camera
- Chipset: Mediatek MT6765G Helio G35 on the Realme C21, Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Xiaomi 11T Pro.
- The Xiaomi 11T Pro has more RAM: 8 GB vs 4 GB.
- Screen size: 6,5 inch on the Realme C21, 6.67 inch on the Xiaomi 11T Pro.
Realme C21 vs Xiaomi 11T Pro specs
The Realme C21 and Xiaomi 11T Pro, both released in 2021, suit different needs based on their features. The Realme C21 offers a simpler experience with a lower resolution screen, a basic processor, and fewer memory and storage options, making it suitable for everyday use and those who prefer microSD expansion. The Xiaomi 11T Pro provides a larger, more vibrant screen, a more powerful processor, more memory, and higher resolution cameras, fitting users who want stronger performance and better photography capabilities. Both have the same battery capacity and run Android. The Xiaomi supports 5G networks while the Realme uses 4G.
Realme C21 vs Xiaomi 11T Pro price
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Realme C21 vs Xiaomi 11T Pro battery life and software updates
Knowing these details helps you understand how each device may hold up over time.
Battery Capacity
Both the Realme C21 and Xiaomi 11T Pro come with a 5000 mAh battery. This size supports extended use without frequent charging, suitable for users who need a reliable battery life throughout the day.
Update Compatibility
This means you should consider the software experience as it currently stands when choosing between them.
Battery
Fast charging
Foldable
Year of release
Realme C21 vs Xiaomi 11T Pro performance
Performance varies significantly between these two devices, affecting how smoothly they run apps and handle multitasking. Storage options also differ, influencing how much data you can keep on each phone.
Processor Power
The Realme C21 uses a Mediatek MT6765G Helio G35 processor, which suits everyday tasks like browsing and messaging. The Xiaomi 11T Pro features a Qualcomm SM8350 Snapdragon 888 5G (5 nm) chipset, offering stronger performance for demanding apps and heavier multitasking.
Memory Capacity
Realme C21 has 4 GB of RAM, enough for basic app use and standard multitasking. Xiaomi 11T Pro doubles this with 8 GB RAM, which helps keep more apps open and running smoothly for users with heavier multitasking needs.
Storage Options
Realme C21 comes with 64 GB of storage, which suits users with moderate storage needs and who want to add a microSD card for extra space. Xiaomi 11T Pro offers larger built-in storage choices of 128 GB and 256 GB, fitting those who prefer more internal space without expansion.
Chipset
RAM
Realme C21 vs Xiaomi 11T Pro screen
Screen quality influences your viewing experience, from watching videos to reading text. These two phones offer different screen sizes, resolutions, and types, which affects colour vibrancy and clarity.
Screen Resolution
Realme C21 has a 720 x 1600 resolution, suitable for everyday viewing and general use. Xiaomi 11T Pro provides a higher 1080 x 2400 resolution, offering sharper images and more detail for users who often watch videos or view photos on their phone.
Screen Size
Realme C21 features a 6,5 inch screen, providing ample space for casual use. Xiaomi 11T Pro has a slightly larger 6.67 inch display, which is roomier for video playback and multitasking with apps side by side.
Screen Type
The Realme C21 uses an IPS LCD screen type, which delivers reliable colour accuracy and brightness. Xiaomi 11T Pro's AMOLED screen offers deeper blacks and more vibrant colours, enhancing viewing for media and gaming.
Refresh rate
Resolution
Screen size
Screen type
Realme C21 vs Xiaomi 11T Pro camera
Camera quality is a key difference, affecting how detailed your photos and video calls are. Front and main camera specifications show which phone suits casual photography or more detailed image capture.
Front Camera
Realme C21 has a 5 megapixel front camera, suitable for standard video calls and selfies. Xiaomi 11T Pro offers a 16 megapixel front camera, which captures more detail and clarity for selfies and video chatting.
Main Camera
Realme C21 includes a 13 megapixel main camera, fitting general photography needs. Xiaomi 11T Pro features a 108 megapixel main camera, delivering much higher detail and better image quality for users who prioritise photography.
Front camera
Main camera
Realme C21 vs Xiaomi 11T Pro size and design
Additional features like network support, physical design dimensions, and expandable storage affect daily usability and convenience. These details help you decide which phone fits your lifestyle.
Mobile Network
Realme C21 supports 4G mobile networks, which suits users in areas where 5G is not necessary or available. Xiaomi 11T Pro supports 5G, suitable for users who want access to faster mobile data speeds where 5G coverage exists.
Storage Expansion
Realme C21 includes a microSDXC card slot, allowing you to add extra storage as needed. Xiaomi 11T Pro does not have a microSD slot, so storage depends on the internal capacity you choose.
Dimensions and Weight
Realme C21 measures 165.2 mm in height, 76.4 mm in width, and 8.9 mm in depth, weighing 190 g. Xiaomi 11T Pro is slightly smaller in height at 164.1 mm, wider at 76.9 mm, a bit thinner at 8.8 mm, and heavier at 204 g. These differences affect how each phone feels in hand and pocket.
SIM Card Setup
Both phones support dual physical SIM cards, giving flexibility for users who manage two numbers or plans on one device.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Realme C21 or Xiaomi 11T Pro: which should you buy?
Buy the Realme C21 if
- you want to spend less: it starts at £198, £11 less than the Xiaomi 11T Pro
- you want a lighter build (190 g vs 204 g)
- you want a memory card slot
Buy the Xiaomi 11T Pro if
- you want more RAM (8 GB vs 4 GB)
- you want an OLED screen
- you want a higher-resolution main camera (108 megapixels vs 13 megapixels)
Realme C21 vs Xiaomi 11T Pro FAQs
Realme C21 vs Xiaomi 11T Pro comes down to the chipset, RAM and screen size. Chipset: Mediatek MT6765G Helio G35 on the Realme C21, Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Xiaomi 11T Pro. The Xiaomi 11T Pro has more RAM: 8 GB vs 4 GB.
The Realme C21 is cheaper refurbished, from £198 compared with £209 for the Xiaomi 11T Pro.
Both have the same battery: 5000 mAh.
The Xiaomi 11T Pro has a higher-resolution main camera: 108 megapixels vs 13 megapixels.
Refurbished, the Realme C21 comes in 64GB, and the Xiaomi 11T Pro in 128GB and 256GB.









