Galaxy A51 vs iPhone X
Shop Samsung Galaxy
Galaxy A51
Starting at
£96.95£350.00 new
iPhone X
Starting at
£121.10£449.00 newWhat's the difference between the Galaxy A51 and iPhone X?
Galaxy A51 vs iPhone X comes down to the chipset, RAM and battery. Refurbished, the Galaxy A51 starts at £96.95, £24.15 less than the iPhone X. The Galaxy A51 is the newer model, released in 2019.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Exynos 9611 on the Galaxy A51, Apple A11 Bionic (10 nm) on the iPhone X.
- The Galaxy A51 has more RAM: 4 GB vs 3 GB.
- The Galaxy A51 has a bigger battery: 4000 mAh vs 2716 mAh.
Galaxy A51 vs iPhone X specs
The Galaxy A51 and iPhone X differ in several ways that suit different users. The Galaxy A51 offers a larger battery and screen, plus more RAM and storage options up to 128GB, making it well suited for those who want more screen space and memory for multitasking. The iPhone X has a higher screen resolution on a smaller display and offers a 256GB storage option, fitting users who prefer a compact phone with ample storage. Camera capabilities also differ, with the Galaxy A51 having higher megapixel counts on both front and main cameras. Both phones run different operating systems and support 4G networks. Your choice depends on what screen size, storage, and camera details matter most to you.
Galaxy A51 vs iPhone X price
Colour
Galaxy A51 vs iPhone X battery life and software updates
Durability covers battery capacity, operating system, and basic device features.
Battery Capacity
The Galaxy A51 has a 4000 mAh battery, which is larger than the iPhone X's 2716 mAh. This means the Galaxy A51 can support longer use between charges, suiting those who need extended battery life for daily tasks. The iPhone X's smaller battery is still sufficient for typical use but may require more frequent charging.
Operating System
The Galaxy A51 runs Android, while the iPhone X runs iOS. This affects app availability, interface style, and user experience. Choose the Galaxy A51 if you prefer Android's customisation and flexibility. The iPhone X is suited for those who prefer the iOS ecosystem and its unique features.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy A51 vs iPhone X performance
Performance depends on the chipset, RAM, and storage options. Both phones offer good functionality for everyday use, but their hardware differs in ways that suit different needs and app demands.
Chipset
The Galaxy A51 uses the Exynos 9611 chipset, while the iPhone X has the Apple A11 Bionic (10 nm). Each chipset is designed to work optimally with its own operating system, so performance feels smooth for typical apps. The Galaxy A51's chipset pairs with 4 GB of RAM, which supports multitasking well. The iPhone X has 3 GB of RAM, which handles iOS and apps efficiently.
RAM and Storage
The Galaxy A51 comes with 4 GB of RAM and storage options of 64GB or 128GB, which suits users who want ample space for apps and media with some multitasking ability. The iPhone X offers 3 GB of RAM and 64GB or 256GB storage, making it suitable for those who prioritise a larger storage capacity for photos, videos, and apps within the iOS environment.
Chipset
RAM
Galaxy A51 vs iPhone X screen
Screen quality includes resolution, size, and type. Differences here affect how you see content, from text clarity to video and gaming experience.
Screen Size and Resolution
The Galaxy A51 has a 6.5 inch screen with a resolution of 1080 x 2400, which provides a spacious display that is well suited to watching videos or browsing. The iPhone X has a smaller 5.8 inch screen but a slightly higher resolution of 1125 x 2436, offering sharper detail on a compact display. Choose the Galaxy A51 if you prefer a larger viewing area, or the iPhone X for a sharper image on a smaller screen.
Screen Type
The Galaxy A51 uses a Super AMOLED screen, while the iPhone X features a Super Retina OLED. Both screen types deliver vibrant colours and deep blacks. This makes either phone suitable for enjoying photos, videos, and games with rich colour and contrast.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A51 vs iPhone X camera
Audiovisual covers the phone cameras, which differ significantly in megapixels. This affects photo and video detail, important for users who prioritise photography or video calls.
Front Camera
The Galaxy A51 has a 32 megapixel front camera, which captures more detail in selfies and video calls. The iPhone X has a 7 megapixel front camera, which is still good for video chats but offers fewer pixels for detail compared to the Galaxy A51.
Main Camera
The Galaxy A51 offers a 48 megapixel main camera, capturing images with more detail and resolution. The iPhone X's main camera is 12 megapixels, which still produces quality photos but with less pixel count compared to the Galaxy A51. Users who prioritise detailed photography may prefer the Galaxy A51.
Camera type
Front camera
Main camera
Galaxy A51 vs iPhone X size and design
Miscellaneous features include network compatibility, physical dimensions, SIM options, and storage expandability. These details influence how the phone fits your use and lifestyle.
SIM and Network
The Galaxy A51 supports dual physical SIM cards, ideal if you want to use two phone numbers or carriers simultaneously. The iPhone X supports a single physical SIM. Both phones work on 4G networks, so you get fast mobile data with either device.
Storage Expansion
The Galaxy A51 includes a microSDXC slot, allowing you to add extra storage beyond what is built in. The iPhone X does not support expandable storage, so you rely on the internal 64GB or 256GB options. This suits users who want flexibility to increase storage with a memory card.
Physical Size and Weight
The Galaxy A51 measures 158.5 mm in height, 73.6 mm in width, and 7.9 mm in depth, weighing 172 g. The iPhone X is 143.6 mm tall, 70.9 mm wide, and 7.7 mm deep, weighing 174 g. The Galaxy A51's larger screen comes with slightly bigger dimensions, while the iPhone X is more compact but similar in weight.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A51 or iPhone X: which should you buy?
Buy the Galaxy A51 if
- you want to spend less: it starts at £96.95, £24.15 less than the iPhone X
- you want more RAM (4 GB vs 3 GB)
- you want a bigger battery (4000 mAh vs 2716 mAh)
What our customers say
Customers say the Galaxy A51 often looks nearly new, even in fair condition, with many pleased by its storage and performance. Battery life can drain faster than some expect but generally lasts a day with normal use. Some users mention cleanliness and minor wear, while others are very happy with the interface and overall quality. The Galaxy A51 suits those who want a phone with a large screen and good storage for everyday tasks.
The iPhone X receives praise for looking and working like new, with several customers happy with the 256GB storage option that handles photos and apps well. Users note smooth performance and a compact design. Some mention app compatibility or setup challenges, but most are satisfied with the device's speed and display quality. The iPhone X fits those who want a compact iOS phone with plenty of storage.
Overall, choose the Galaxy A51 if you prefer a larger display and expandable storage, or the iPhone X if you prioritise a compact design and iOS experience with higher storage capacity.
Galaxy A51 vs iPhone X FAQs
Galaxy A51 vs iPhone X comes down to the chipset, RAM and battery. Chipset: Exynos 9611 on the Galaxy A51, Apple A11 Bionic (10 nm) on the iPhone X. The Galaxy A51 has more RAM: 4 GB vs 3 GB.
The Galaxy A51 is cheaper refurbished, from £96.95 compared with £121.10 for the iPhone X.
The Galaxy A51 has a bigger battery: 4000 mAh vs 2716 mAh.
The Galaxy A51 has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The Galaxy A51 no longer gets updates. Updates for the iPhone X ended in Mar 2025. Its last version is iOS 16.
Refurbished, the Galaxy A51 comes in 64GB and 128GB, and the iPhone X in 64GB and 256GB.
