Galaxy A5 (2017) vs Galaxy A51
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Galaxy A5 (2017)
Starting at
£72.10£309.00 new
Galaxy A51
Starting at
£96.95£350.00 newWhat's the difference between the Galaxy A5 (2017) and Galaxy A51?
Galaxy A5 (2017) vs Galaxy A51 comes down to the chipset, RAM and battery. Refurbished, the Galaxy A5 (2017) starts at £72.10, £24.85 less than the Galaxy A51. The Galaxy A51 is the newer model, released in 2019.
Refurbished from
Chipset
RAM
Battery
Screen size
Main camera
- Chipset: Exynos 7880 on the Galaxy A5 (2017), Exynos 9611 on the Galaxy A51.
- The Galaxy A51 has more RAM: 4 GB vs 3 GB.
- The Galaxy A51 has a bigger battery: 4000 mAh vs 3000 mAh.
Galaxy A5 (2017) vs Galaxy A51 specs
The Galaxy A5 (2017) and Galaxy A51 differ in several key areas that suit different needs. The Galaxy A51 offers a larger screen and higher resolution that provide more space and detail for video and browsing. It also has a bigger battery and more RAM, making it better for longer use and multitasking. The cameras on the Galaxy A51 capture more detail with higher megapixels, ideal for those who prioritise photography. The Galaxy A5 (2017) is smaller and lighter, fitting better in one hand and pockets, and offers simpler storage options. Choose the Galaxy A5 (2017) for everyday use with a compact size or the Galaxy A51 for more screen space, storage, and camera detail.
Galaxy A5 (2017) vs Galaxy A51 price
Galaxy A5 (2017) vs Galaxy A51 battery life and software updates
Durability covers battery capacity, operating system, and basic device features. Differences here affect how long you can use each phone between charges and their general software environment.
Battery Capacity
The Galaxy A51 has a 4000 mAh battery, which suits users who need longer usage time before recharging. The Galaxy A5 (2017) has a 3000 mAh battery, making it suitable for those with lighter day-to-day use or shorter screen time.
Battery
Fast charging
Foldable
Ip rating
Software updates
Year of release
Galaxy A5 (2017) vs Galaxy A51 performance
Performance depends on chipset, RAM, and storage options, influencing speed, multitasking, and how much data you can keep on the device.
Processor and RAM
The Galaxy A51 uses an Exynos 9611 chipset with 4 GB RAM, making it better suited to users who want smoother multitasking and more power for apps. The Galaxy A5 (2017) features an Exynos 7880 and 3 GB RAM, which fits everyday use with lighter app demands.
Storage Options
The Galaxy A51 offers 64 GB and 128 GB storage options, ideal if you keep many apps, photos, or media files. The Galaxy A5 (2017) is available in 32 GB and 64 GB, which works well if you use fewer apps or rely on expandable storage.
Chipset
RAM
Galaxy A5 (2017) vs Galaxy A51 screen
Screen quality affects how much you see and the detail in images and videos. Both devices use Super AMOLED technology, which delivers strong colours and contrast.
Screen Size and Resolution
The Galaxy A51 has a 6.5 inch screen with 1080 x 2400 resolution, offering more room and sharper detail, suitable for watching videos or browsing. The Galaxy A5 (2017) has a 5.2 inch screen at 1080 x 1920 resolution, which is more compact and easy to use with one hand.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A5 (2017) vs Galaxy A51 camera
Camera quality affects how much detail your photos and videos capture, influencing who will benefit most from each device.
Front Camera
The Galaxy A51 has a 32 megapixel front camera, ideal if you take many selfies or video calls and want higher detail. The Galaxy A5 (2017) offers a 16 megapixel front camera, which suits everyday video chats and casual photos.
Main Camera
The Galaxy A51 features a 48 megapixel main camera, providing more detailed pictures for those who prioritise photography. The Galaxy A5 (2017) has a 16 megapixel main camera, fitting basic photo needs and casual shooting.
Front camera
Main camera
Galaxy A5 (2017) vs Galaxy A51 size and design
Other differences include size, weight, network compatibility, and SIM and memory card options, influencing comfort and connectivity.
Size and Weight
The Galaxy A51 measures 158.5 mm in height and weighs 172 g, making it larger and heavier. This suits users who prefer a bigger phone for media and browsing. The Galaxy A5 (2017) is 146.1 mm tall and weighs 157 g, better for those who want a smaller, lighter device that fits easily in one hand.
Connectivity and Storage Expansion
Both phones are unlocked and support 4G networks, with dual physical SIM slots and microSDXC card slots, giving flexibility for multiple numbers and expandable storage.
Dimensions
The Galaxy A51 is 73.6 mm wide and 7.9 mm deep, while the Galaxy A5 (2017) is 71.4 mm wide and also 7.9 mm deep, so width is the main difference in terms of handling.
Carrier compatibility
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A5 (2017) or Galaxy A51: which should you buy?
Buy the Galaxy A5 (2017) if
- you want to spend less: it starts at £72.10, £24.85 less than the Galaxy A51
- you want a lighter build (157 g vs 172 g)
Buy the Galaxy A51 if
- you want more RAM (4 GB vs 3 GB)
- you want a bigger battery (4000 mAh vs 3000 mAh)
- you want a bigger screen (6.5 inch vs 5.2 inch)
What our customers say
Customers of the Galaxy A5 (2017) generally appreciate its reliable operation and good appearance. Many say it looks and works well, with several recommending it and expressing satisfaction with the price. Some mention issues with network locking or setup, but overall the feedback points to a device that serves everyday needs and feels like new to many users.
Reviews for the Galaxy A51 highlight a larger, nearly new look and good performance, particularly praising storage capacity and interface. Some customers note the battery life drains faster than expected but still lasts a day with normal use. A few mention concerns about cleanliness or condition, but many are very happy with the phone's appearance and functionality. The phone is often recommended for those who want more storage and a bigger screen.
In summary, the Galaxy A5 (2017) suits buyers looking for a compact phone that handles everyday tasks well. The Galaxy A51 fits those who want more screen space, higher capacity storage, and sharper cameras, accepting a larger size and weight.
Galaxy A5 (2017) vs Galaxy A51 FAQs
Galaxy A5 (2017) vs Galaxy A51 comes down to the chipset, RAM and battery. Chipset: Exynos 7880 on the Galaxy A5 (2017), Exynos 9611 on the Galaxy A51. The Galaxy A51 has more RAM: 4 GB vs 3 GB.
The Galaxy A5 (2017) is cheaper refurbished, from £72.10 compared with £96.95 for the Galaxy A51.
The Galaxy A51 has a bigger battery: 4000 mAh vs 3000 mAh.
The Galaxy A51 has a higher-resolution main camera: 48 megapixels vs 16 megapixels.
Updates for the Galaxy A5 (2017) ended in Apr 2019. The Galaxy A51 no longer gets updates.
The Galaxy A51 adds more RAM (4 GB vs 3 GB), a bigger battery (4000 mAh vs 3000 mAh) and a bigger screen (6.5 inch vs 5.2 inch). Refurbished, it costs £24.85 more (from £96.95 vs £72.10).
Refurbished, the Galaxy A5 (2017) comes in 32GB and 64GB, and the Galaxy A51 in 64GB and 128GB.







