Galaxy A40 vs Galaxy A51
Shop Samsung Galaxy
Galaxy A40
Starting at
£71.42£229.00 new
Galaxy A51
Starting at
£96.95£350.00 newWhat's the difference between the Galaxy A40 and Galaxy A51?
Galaxy A40 vs A51 comes down to the chipset, battery and screen size. Refurbished, the Galaxy A40 starts at £71.42, £25.53 less than the Galaxy A51.
Refurbished from
Chipset
Battery
Screen size
Main camera
Front camera
- Chipset: Exynos 7904 on the Galaxy A40, Exynos 9611 on the Galaxy A51.
- The Galaxy A51 has a bigger battery: 4000 mAh vs 3100 mAh.
- The Galaxy A51 has a bigger screen: 6.5 inch vs 5.9 inch.
Galaxy A40 vs Galaxy A51 specs
The Galaxy A40 and Galaxy A51 both run Android and come from 2019, but they suit different needs. The Galaxy A40 has a smaller 5.9 inch screen and a lighter weight, making it good for those who prefer a compact phone that fits easily in a pocket. It has a 3100 mAh battery for everyday use. The Galaxy A51 offers a larger 6.5 inch screen and a 4000 mAh battery, ideal for users who want more screen space and longer battery life. The A51 also has a more powerful chipset and higher-resolution cameras, plus storage options up to 128GB, suiting those who want more performance and detail in photos. Both phones are unlocked and support dual SIM with microSDXC cards.
Galaxy A40 vs Galaxy A51 price
Colour
Galaxy A40 vs Galaxy A51 battery life and software updates
Durability covers battery capacity, software updates, and basic device features. Both phones run Android and were released in 2019. Battery size differs between them, which affects how long each device can last between charges.
Battery Capacity
The Galaxy A40 has a 3100 mAh battery which suits users with moderate daily use and those who prefer a lighter device. The Galaxy A51 includes a larger 4000 mAh battery, which will better support longer usage without recharging, making it suitable for heavier phone users or those who want extended screen time.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy A40 vs Galaxy A51 performance
Performance depends on the chipset, RAM, and storage available. Both phones have 4 GB of RAM, which supports everyday apps and multitasking. The chipsets differ, impacting overall speed and responsiveness. Storage options vary, affecting how much data and apps you can keep on the device.
Chipset
The Galaxy A40 uses the Exynos 7904 chipset, which handles daily tasks and apps smoothly for everyday use. The Galaxy A51 features the Exynos 9611, a newer chipset that provides better performance for more demanding apps and multitasking, fitting users who want quicker response times and smoother operation.
Storage Options
The Galaxy A40 is available with 64GB of storage, suitable for users who keep a moderate amount of apps and media. The Galaxy A51 offers 64GB and 128GB choices, giving more space for apps, photos, and files, ideal for people who store more content directly on their phone.
Chipset
RAM
Galaxy A40 vs Galaxy A51 screen
Screen quality affects your viewing experience for videos, browsing, and apps. Both phones have Super AMOLED displays with similar resolution, but their screen sizes differ noticeably, influencing comfort and usability.
Screen Size
The Galaxy A40 has a 5.9 inch screen, making it a compact phone that fits well in smaller hands or pockets. The Galaxy A51 has a larger 6.5 inch screen, which offers more room for video watching, reading, and multitasking, better suited for users who prefer a bigger display.
Resolution
Both phones feature a high definition 1080 pixel width resolution, with the A40 at 1080 x 2340 and the A51 at 1080 x 2400. The slight difference means the A51's display is marginally taller, providing a bit more vertical space for content on screen.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A40 vs Galaxy A51 camera
Audiovisual features focus on camera quality. Both phones have front and main cameras, but the Galaxy A51 offers higher megapixel counts, which can capture more detail in photos and selfies.
Front Camera
The Galaxy A40 has a 25 megapixel front camera, good for clear selfies and video calls. The Galaxy A51's 32 megapixel front camera captures more detail, suitable for users who prioritise selfie quality and sharper video chats.
Main Camera
The Galaxy A40 has a 16 megapixel main camera that takes good everyday photos. The Galaxy A51's 48 megapixel main camera offers much higher detail, which benefits users who want sharper images and more flexibility for cropping or zooming.
Camera type
Front camera
Main camera
Galaxy A40 vs Galaxy A51 size and design
Miscellaneous specs cover physical dimensions, network compatibility, SIM and memory card support, and weight. These details affect how the phone feels in hand and how you use it day to day.
Dimensions and Weight
The Galaxy A40 is smaller and lighter, measuring 144.4 mm tall, 69.2 mm wide, 7.9 mm deep and weighing 140 g. This makes it easier to carry and hold for users who prefer a compact phone. The Galaxy A51 is larger at 15.85 cm height, 7.36 cm width, 7.9 mm depth and weighs 172 g, suited to those comfortable with a bigger device.
Carrier and SIM
Both phones are unlocked and support dual physical SIM cards, which is useful for managing personal and work numbers or using different carriers. They both accept microSDXC cards for expandable storage.
Network
Both the Galaxy A40 and Galaxy A51 support 4G mobile networks, providing fast internet access suitable for everyday browsing, streaming and communication.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A40 or Galaxy A51: which should you buy?
Buy the Galaxy A40 if
- you want to spend less: it starts at £71.42, £25.53 less than the Galaxy A51
- you want a lighter build (140 g vs 172 g)
Buy the Galaxy A51 if
- you want a bigger battery (4000 mAh vs 3100 mAh)
- you want a bigger screen (6.5 inch vs 5.9 inch)
- you want a higher-resolution main camera (48 megapixels vs 16 megapixels)
What our customers say
Customers say the Galaxy A40 looks like new and is in great condition. Many find it fits well in pockets and is lighter and slimmer than previous phones. It suits people who want a compact phone that works reliably for everyday use, including older users who appreciate the size. Some buyers mention the phone is straightforward and good for basic tasks.
Reviews for the Galaxy A51 are mixed but generally positive about the phone's condition and performance. Customers highlight the larger storage and good interface. Battery life can drain faster than expected but still lasts a day with normal use. Some note the phone looks nearly new even when described as fair condition. The A51 appeals to those wanting more storage and better camera detail, though some reports mention dirt or scratches on certain units.
Both phones suit different users: the Galaxy A40 is ideal for those wanting a lighter, smaller device with solid everyday performance. The Galaxy A51 fits users who want more screen space, stronger performance, and higher camera resolution with the option of extra storage.
Galaxy A40 vs Galaxy A51 FAQs
Galaxy A40 vs A51 comes down to the chipset, battery and screen size. Chipset: Exynos 7904 on the Galaxy A40, Exynos 9611 on the Galaxy A51. The Galaxy A51 has a bigger battery: 4000 mAh vs 3100 mAh.
The Galaxy A40 is cheaper refurbished, from £71.42 compared with £96.95 for the Galaxy A51.
The Galaxy A51 has a bigger battery: 4000 mAh vs 3100 mAh.
The Galaxy A51 has a higher-resolution main camera: 48 megapixels vs 16 megapixels.
The Galaxy A40 no longer gets updates. The Galaxy A51 no longer gets updates.
Refurbished, the Galaxy A40 comes in 64GB, and the Galaxy A51 in 64GB and 128GB.
