Galaxy A51 vs Galaxy S6
Shop Samsung Galaxy
Galaxy A51
Starting at
£96.95£350.00 new
Galaxy S6
Starting at
£81.32£399.00 newWhat's the difference between the Galaxy A51 and Galaxy S6?
Galaxy A51 vs S6 comes down to the chipset, RAM and battery. Refurbished, the Galaxy S6 starts at £81.32, £15.63 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 9611 on the Galaxy A51, Exynos 7420 Octa (14 nm) on the Galaxy S6.
- The Galaxy A51 has more RAM: 4 GB vs 3 GB.
- The Galaxy A51 has a bigger battery: 4000 mAh vs 2550 mAh.
Galaxy A51 vs Galaxy S6 specs
The Galaxy A51 and Galaxy S6 differ in several key areas that suit different users. The Galaxy A51 offers a larger screen and ample resolution for immersive viewing, along with more RAM and storage options for multitasking and space. It also has a bigger battery and supports dual SIMs plus microSD cards for added flexibility. The Galaxy S6 has a smaller, sharper screen with higher resolution pixels, and a lighter, more compact design. Its camera and front camera have fewer megapixels compared to the A51, but it may appeal to those who prefer a smaller device.
Galaxy A51 vs Galaxy S6 price
Colour
Galaxy A51 vs Galaxy S6 battery life and software updates
Battery capacity and software updates are important for how long a phone lasts in everyday use.
Battery Capacity
The Galaxy A51 has a 4000 mAh battery, which suits users who want longer usage between charges. The Galaxy S6 has a 2550 mAh battery, which may require more frequent charging for active users.
Battery
Fast charging
Foldable
Software updates
Wireless charging
Year of release
Galaxy A51 vs Galaxy S6 performance
Performance depends on the processor, RAM, and storage options. These affect how smoothly the phone runs apps and how much data it can hold.
Processor and RAM
The Galaxy A51 uses the Exynos 9611 chipset with 4 GB RAM, which suits everyday multitasking and moderate app use. The Galaxy S6 features the Exynos 7420 Octa chipset with 3 GB RAM, fitting users who want a simpler performance profile or fewer background apps.
Storage Options
The Galaxy A51 is available with 64GB or 128GB storage, providing more space for apps, photos, and files. The Galaxy S6 comes with 32GB storage, which may suit users who manage their storage carefully or use cloud services.
Chipset
RAM
Galaxy A51 vs Galaxy S6 screen
Screen size and resolution influence how much you see and how sharp images and text appear. Both use Super AMOLED panels, known for bright colours and deep blacks.
Screen Size
The Galaxy A51 has a 6.5 inch screen, offering more room for watching videos, browsing, and gaming. The Galaxy S6 has a smaller 5.1 inch screen, which suits users who prefer a more compact device that fits easily in one hand.
Resolution
The Galaxy S6 has a higher resolution of 1440 x 2560 pixels, giving sharper detail, especially noticeable when reading fine text or viewing high-resolution images. The Galaxy A51's screen resolution is 1080 x 2400 pixels, which still provides clear visuals for most uses.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A51 vs Galaxy S6 camera
Camera quality matters for those who take photos or video calls. Front and main camera megapixels indicate the detail level a camera can capture.
Front Camera
The Galaxy A51 has a 32 megapixel front camera, suited to users who want detailed selfies or clearer video calls. The Galaxy S6's front camera is 5 megapixels, which works well for basic self-portraits and video chat.
Main Camera
The Galaxy A51 features a 48 megapixel main camera, capturing more detail in photos. The Galaxy S6's main camera has 16 megapixels, which is adequate for everyday photography but with fewer pixels to work with.
Front camera
Main camera
Galaxy A51 vs Galaxy S6 size and design
Other differences include physical dimensions, SIM options, and expandability. These specs affect how the phones fit in your hand, how many SIMs you can use, and storage flexibility.
Size and Weight
The Galaxy A51 measures 158.5 mm tall, 73.6 mm wide, and 7.9 mm deep, weighing 172 g. This suits users who want a larger phone with a substantial feel. The Galaxy S6 is smaller at 143.4 mm tall, 70.5 mm wide, 6.8 mm deep, and lighter at 138 g, fitting better in small pockets or hands.
SIM and Storage Expansion
The Galaxy A51 supports dual physical SIM cards and has a microSDXC slot for extra storage, offering flexibility for users who want to separate work and personal numbers or add more storage. The Galaxy S6 supports a single physical SIM and does not have a microSD slot.
Network Compatibility
Both devices are unlocked and support 4G networks, so you can use them with a wide range of UK carriers without restrictions.
Carrier compatibility
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A51 or Galaxy S6: which should you buy?
Buy the Galaxy A51 if
- you want more RAM (4 GB vs 3 GB)
- you want a bigger battery (4000 mAh vs 2550 mAh)
- you want a bigger screen (6.5 inch vs 5.1 inch)
Buy the Galaxy S6 if
- you want to spend less: it starts at £81.32, £15.63 less than the Galaxy A51
- you want a lighter build (138 g vs 172 g)
What our customers say
Customers generally report that the Galaxy A51 looks like new, with many saying it has a good amount of storage and works well for everyday use. The battery life is described as lasting a day with normal use, though some mention it drains faster than they would like. The phone's screen and performance receive positive remarks, with users appreciating the interface and storage capacity. Some customers note issues with cleanliness and condition, but many find the phone in very good shape. Overall, the Galaxy A51 is liked for its performance and screen size.
Reviews for the Galaxy S6 show mixed experiences. Several customers are pleased with the phone's functioning and describe it as ready to use with their SIM cards. The smaller size and the screen quality are acknowledged, though some mention difficulties with the device being locked to networks or receiving the correct charger. The Galaxy S6 appeals to users who prefer a compact phone with a high-resolution screen, provided they are comfortable with its storage and single SIM setup.
Both phones suit different needs: the Galaxy A51 fits those wanting a larger screen, more storage, and dual SIMs, while the Galaxy S6 suits users who prefer a smaller, lighter device with a sharper screen.
Galaxy A51 vs Galaxy S6 FAQs
Galaxy A51 vs S6 comes down to the chipset, RAM and battery. Chipset: Exynos 9611 on the Galaxy A51, Exynos 7420 Octa (14 nm) on the Galaxy S6. The Galaxy A51 has more RAM: 4 GB vs 3 GB.
The Galaxy S6 is cheaper refurbished, from £81.32 compared with £96.95 for the Galaxy A51.
The Galaxy A51 has a bigger battery: 4000 mAh vs 2550 mAh.
The Galaxy A51 has a higher-resolution main camera: 48 megapixels vs 16 megapixels.
The Galaxy A51 no longer gets updates. Updates for the Galaxy S6 ended in Jun 2018.
The Galaxy A51 adds more RAM (4 GB vs 3 GB), a bigger battery (4000 mAh vs 2550 mAh) and a bigger screen (6.5 inch vs 5.1 inch). Refurbished, it costs £15.63 more (from £96.95 vs £81.32).
Refurbished, the Galaxy A51 comes in 64GB and 128GB, and the Galaxy S6 in 32GB.
