Galaxy A51 vs Galaxy Note9
Shop Samsung Galaxy
Galaxy A51
Starting at
£96.95£350.00 new
Galaxy Note9
Starting at
£142.00What's the difference between the Galaxy A51 and Galaxy Note9?
Galaxy A51 vs Note9 comes down to the chipset, RAM and screen size. Refurbished, the Galaxy A51 starts at £96.95, £45.05 less than the Galaxy Note9. The Galaxy A51 is the newer model, released in 2019.
Refurbished from
Chipset
RAM
Screen size
Main camera
Front camera
- Chipset: Exynos 9611 on the Galaxy A51, Exynos 9810, Qualcomm SDM845 Snapdragon 845 on the Galaxy Note9.
- The Galaxy Note9 has more RAM: 6 GB vs 4 GB.
- Screen size: 6.5 inch on the Galaxy A51, 6.4 inch on the Galaxy Note9.
Galaxy A51 vs Galaxy Note9 specs
The Galaxy A51 and Galaxy Note9 share a 4000 mAh battery and run Android but differ in performance, screen resolution, and camera capabilities. The Galaxy Note9 offers more RAM and a choice of chipsets, which suits users who want smoother multitasking and faster processing. Its screen is smaller but has a higher resolution, making it better for those who prioritise sharpness. The Galaxy A51 has a larger screen and higher megapixel cameras, ideal if you prefer bigger displays and detailed photos. Both phones support microSDXC cards, dual SIMs, and 4G networks. Your choice depends on whether you want more memory and sharper screen or a bigger display with higher camera resolution.
Galaxy A51 vs Galaxy Note9 price
Colour
- BlackSold out
- BlueSold out
Storage
- 128GBSold out
Galaxy A51 vs Galaxy Note9 battery life and software updates
Battery and software support are key durability factors. Physical dimensions and weight also differ slightly.
Battery Capacity
Both the Galaxy A51 and Galaxy Note9 have a 4000 mAh battery. This capacity provides a similar baseline for daily use, so battery life will depend more on usage and software optimisation than on battery size alone.
Operating System and Updates
This means new Android features and security improvements are not available on either phone.
Size and Weight
The Galaxy A51 is slightly lighter at 172 g and is thinner at 7.9 mm, making it easier to hold and carry for those who prefer a lighter phone. The Galaxy Note9 is heavier at 201 g and thicker at 8.8 mm, which may feel more substantial in hand.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy A51 vs Galaxy Note9 performance
Performance depends on chipset, RAM, and storage options. The Galaxy Note9 offers more RAM and different chipset options, which can affect multitasking and processing speed. Storage choices vary between the two models.
Chipset Options
The Galaxy Note9 comes with either an Exynos 9810 or Qualcomm Snapdragon 845 chipset, both designed for higher performance tasks. The Galaxy A51 uses the Exynos 9611 chipset, which is suited for everyday use and less demanding applications.
Memory Capacity
The Galaxy Note9 has 6 GB of RAM, allowing more apps to run smoothly at the same time. The Galaxy A51 has 4 GB of RAM, which suits users with lighter multitasking needs or simpler app usage.
Storage Options
The Galaxy A51 is available in 64GB and 128GB storage versions, providing some flexibility in storage size. The Galaxy Note9 is stocked with 128GB, offering ample space for apps and media.
Chipset
RAM
Galaxy A51 vs Galaxy Note9 screen
Screen size, resolution, and type affect how you view content. Both phones use Super AMOLED screens but differ in size and sharpness, appealing to different viewing preferences.
Screen Size
The Galaxy A51 has a 6.5 inch screen, providing a slightly larger display area ideal for watching videos or browsing. The Galaxy Note9 has a 6.4 inch screen, which is a bit smaller but still spacious for most activities.
Screen Resolution
The Galaxy Note9 offers a higher resolution of 1440 x 2960, which results in a sharper and more detailed image. The Galaxy A51 has a resolution of 1080 x 2400, which still delivers clear visuals suitable for everyday viewing.
Screen Type
Both phones use Super AMOLED technology, which means vibrant colours and deep blacks. This makes both devices good choices for media consumption and general use.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A51 vs Galaxy Note9 camera
Camera quality plays a big role in capturing photos and video calls. The two phones differ notably in front and main camera megapixels, which affect image detail and clarity.
Front Camera
The Galaxy A51 has a 32 megapixel front camera, making it well suited for selfies with more detail. The Galaxy Note9's front camera is 8 megapixels, which still handles video calls and selfies adequately.
Main Camera
The Galaxy A51 features a 48 megapixel main camera, capturing more detail in photos. The Galaxy Note9 has a 12 megapixel main camera, which balances quality and file size for everyday photography.
Front camera
Main camera
Galaxy A51 vs Galaxy Note9 size and design
Additional features like SIM options, network support, and size affect daily convenience. Both phones share many similarities, but their dimensions and weight vary.
SIM and Network
Both the Galaxy A51 and Galaxy Note9 support dual physical SIM cards and 4G networks, giving flexibility for multiple phone numbers and reliable mobile data.
Expandable Storage
Both devices include microSDXC card slots, allowing you to increase storage capacity easily for apps, photos, and media.
Dimensions and Weight
The Galaxy A51 is smaller in width at 73.6 mm and height at 158.5 mm, while the Galaxy Note9 measures 76.4 mm wide and 161.9 mm tall. The lighter Galaxy A51 at 172 g suits those wanting a more compact and lighter phone, whereas the Note9's 201 g weight gives a more substantial feel.
Carrier compatibility
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A51 or Galaxy Note9: which should you buy?
Buy the Galaxy A51 if
- you want to spend less: it starts at £96.95, £45.05 less than the Galaxy Note9
- you want a higher-resolution main camera (48 megapixels vs 12 megapixels)
- you want a higher-resolution front camera (32 megapixels vs 8 megapixels)
Buy the Galaxy Note9 if
- you want more RAM (6 GB vs 4 GB)
What our customers say
Customers say the Galaxy A51 often looks nearly new, even in fair condition, with some reporting scratches or dirt around edges. Battery life is generally described as lasting a day with normal use, though some find it drains faster than expected. The phone's performance and storage receive positive remarks, with users happy about the interface and camera detail. Some mention the phone works perfectly and looks as good as new.
Galaxy Note9 customers describe their phones as mint or excellent condition, with many praising the device's features and performance. Battery life is a common concern, with some needing replacement, and the phone can run warm during use. The phone runs Android 10, which restricts some app compatibility. Despite these points, users appreciate the phone's reliability and cost-effectiveness, especially for those who change devices frequently.
The Galaxy A51 suits those who want a larger screen and detailed cameras with adequate performance for everyday tasks. The Galaxy Note9 suits users who value higher RAM and sharper screen resolution, accepting a slightly heavier phone and balanced camera quality.
Galaxy A51 vs Galaxy Note9 FAQs
Galaxy A51 vs Note9 comes down to the chipset, RAM and screen size. Chipset: Exynos 9611 on the Galaxy A51, Exynos 9810, Qualcomm SDM845 Snapdragon 845 on the Galaxy Note9. The Galaxy Note9 has more RAM: 6 GB vs 4 GB.
The Galaxy A51 is cheaper refurbished, from £96.95 compared with £142 for the Galaxy Note9.
Both have the same battery: 4000 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 Galaxy Note9 ended in Jul 2022.
The Galaxy A51 adds a higher-resolution main camera (48 megapixels vs 12 megapixels), a higher-resolution front camera (32 megapixels vs 8 megapixels) and a lighter build (172 g vs 201 g). Refurbished, it costs £45.05 less (from £96.95 vs £142).
Refurbished, the Galaxy A51 comes in 64GB and 128GB, and the Galaxy Note9 in 128GB.
