Galaxy S25 Ultra vs Google Pixel 9a
Shop Samsung Galaxy
Galaxy S25 Ultra
Starting at
£678.00£1,229.24 new
Google Pixel 9a
Starting at
£265.00What's the difference between the Galaxy S25 Ultra and Google Pixel 9a?
Galaxy S25 Ultra vs Google Pixel 9a comes down to the chipset, RAM and battery. Refurbished, the Google Pixel 9a starts at £265, £413 less than the Galaxy S25 Ultra.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Google Tensor G4 (4 nm) on the Google Pixel 9a.
- The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
- Battery: 5000 mAh on the Galaxy S25 Ultra, 5100 mAh on the Google Pixel 9a.
Galaxy S25 Ultra vs Google Pixel 9a specs
The Galaxy S25 Ultra and Google Pixel 9a are both Android phones released in 2025, offering strong performance and 5G connectivity. The Galaxy S25 Ultra suits users who want a larger, higher resolution screen with a faster chipset, more RAM, and more storage options. It also has a more advanced camera setup with four lenses. The Pixel 9a fits those looking for a smaller, lighter phone with a slightly larger battery and a simpler triple camera system. It offers a solid balance of everyday performance and portability with 8 GB RAM and 128GB storage.
Galaxy S25 Ultra vs Google Pixel 9a price
Colour
Storage
Galaxy S25 Ultra vs Google Pixel 9a battery life and software updates
Durability covers battery capacity, software updates, and basic physical features that affect everyday use.
Battery Capacity
The Google Pixel 9a has a 5100 mAh battery, slightly larger than the Galaxy S25 Ultra's 5000 mAh battery. This means the Pixel 9a may provide a bit more endurance between charges, which suits users prioritising longer battery life during the day.
Software Updates
This ensures you will receive current security patches and feature improvements, helping your device stay secure and up to date over time.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S25 Ultra vs Google Pixel 9a performance
Performance depends on chipset power, RAM, and storage options, which influence speed, multitasking, and how much you can store on the device.
Chipset Technology
The Galaxy S25 Ultra runs on the Qualcomm SM8750-AC Snapdragon 8 Elite built on a 3 nm process, while the Pixel 9a uses the Google Tensor G4 on a 4 nm process. The Snapdragon 8 Elite may provide faster processing and efficiency, benefiting users who demand high performance for apps and multitasking.
Memory Capacity
With 12 GB of RAM, the Galaxy S25 Ultra can keep more apps open and handle heavier multitasking smoothly. The Pixel 9a offers 8 GB of RAM, which is well suited for everyday app use and general multitasking.
Storage Options
The Galaxy S25 Ultra comes with multiple storage options including 256GB, 512GB, and 1TB, allowing for large app libraries, media, and files. The Pixel 9a is stocked with 128GB storage, which fits typical daily needs but offers less room for extensive media or large files.
Chipset
RAM
Galaxy S25 Ultra vs Google Pixel 9a screen
Screen quality affects how you enjoy videos, photos, and apps. Differences in size, resolution, and display type change how clear and smooth the visuals appear.
Screen Size and Resolution
The Galaxy S25 Ultra features a 6.9 inch screen with a high 1440x3120 resolution, offering a large and sharp display ideal for watching videos or multitasking. The Pixel 9a has a smaller 6.3 inch screen with 1080x2424 resolution, which suits users who prefer a more compact device that is still clear and easy to use.
Display Technology
The Galaxy S25 Ultra uses a Dynamic LTPO AMOLED 2X screen with 120Hz refresh rate for smoother animations and scrolling. The Pixel 9a has a P-OLED screen, which delivers good colour and contrast but does not specify a refresh rate. This makes the Galaxy S25 Ultra better for smoother motion and potentially better battery efficiency due to LTPO technology.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S25 Ultra vs Google Pixel 9a camera
Audiovisual features include camera setups and front camera resolution, important for photography and video calls.
Camera Setup
The Galaxy S25 Ultra has a quadruple camera system, offering more versatility for different types of shots such as zoom or wide-angle. The Pixel 9a has a triple camera system, which covers essential photography needs well but with fewer lenses.
Front Camera Resolution
The Pixel 9a has a 13 megapixel front camera, slightly higher than the Galaxy S25 Ultra's 12 megapixels. This may suit users who prioritise selfies or video calls with a bit more detail.
Camera type
Front camera
Main camera
Galaxy S25 Ultra vs Google Pixel 9a size and design
Miscellaneous differences cover size, weight, and connectivity options that affect handling and compatibility.
Physical Dimensions
The Galaxy S25 Ultra is larger and heavier, measuring 162 mm tall, 77 mm wide, and 8 mm deep, weighing 218 g. The Pixel 9a is smaller and lighter at 154.7 mm tall, 73.3 mm wide, and 8.9 mm deep, weighing 186 g. This makes the Pixel 9a easier to carry and operate one-handed.
SIM and Network Compatibility
Both phones support 5G and offer a combination of physical SIM and eSIM for flexible carrier use. They are unlocked, giving you the freedom to choose your network provider.
Connector Type
Both devices use USB-C connectors, which is standard for charging and data transfer on modern Android phones.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S25 Ultra or Google Pixel 9a: which should you buy?
Buy the Galaxy S25 Ultra if
- you want more RAM (12 GB vs 8 GB)
- you want a bigger screen (6.9 inch vs 6.3 inch)
- you want a higher-resolution main camera (200 megapixels vs 48 megapixels)
Buy the Google Pixel 9a if
- you want to spend less: it starts at £265, £413 less than the Galaxy S25 Ultra
- you want a higher-resolution front camera (13 megapixels vs 12 megapixels)
- you want longer software support (until Apr 2032 vs until Feb 2032)
What our customers say
Customers say the Galaxy S25 Ultra looks almost brand new with no marks or scratches and battery health often checks at 99 or 100 percent. Many users praise its excellent performance, lasting battery, and great display quality. The camera is noted for taking sharp photos in various lighting without needing adjustments. The phone's build quality feels solid and it runs fast with a smooth experience. Users also appreciate the large screen and the availability of high storage capacities. Some mention the phone is easy to use despite its many features and it suits those who want a high-end device with a big screen and strong multitasking ability.
For the Google Pixel 9a, customers report the phone works perfectly and looks like new. It is praised for good performance and a smooth experience suitable for everyday use. The battery life is good with some users noting it lasts longer than previous phones. The camera is considered good for typical photography needs. The Pixel 9a appeals to those who want a smaller, lighter phone that is easy to handle and offers solid functionality. Some customers mention a smooth setup and clear calls with the phone being a reliable choice for regular daily tasks.
Overall, the Galaxy S25 Ultra is suited to buyers who want a larger, more powerful phone with advanced camera options and high storage. The Google Pixel 9a is ideal for those preferring a compact device with solid performance and excellent battery life for everyday use.
Galaxy S25 Ultra vs Google Pixel 9a FAQs
Galaxy S25 Ultra vs Google Pixel 9a comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Google Tensor G4 (4 nm) on the Google Pixel 9a. The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
The Google Pixel 9a is cheaper refurbished, from £265 compared with £678 for the Galaxy S25 Ultra.
The Galaxy S25 Ultra has 5000 mAh and the Google Pixel 9a has 5100 mAh.
The Galaxy S25 Ultra has a higher-resolution main camera: 200 megapixels vs 48 megapixels.
The Galaxy S25 Ultra gets updates until Feb 2032. The Google Pixel 9a gets updates until Apr 2032.
Refurbished, the Galaxy S25 Ultra comes in 256GB, 512GB and 1TB, and the Google Pixel 9a in 128GB.









