Galaxy S23 vs Galaxy S24 Ultra
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Galaxy S23
Starting at
£235.29£1,019.00 new
Galaxy S24 Ultra
Starting at
£500.60£1,357.64 newWhat's the difference between the Galaxy S23 and Galaxy S24 Ultra?
Galaxy S23 vs S24 Ultra comes down to the chipset, RAM and battery. Refurbished, the Galaxy S23 starts at £235.29, £265.31 less than the Galaxy S24 Ultra. The Galaxy S24 Ultra is the newer model, released in 2024.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm Snapdragon 8 Gen 2 for Galaxy on the Galaxy S23, Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy S24 Ultra.
- The Galaxy S24 Ultra has more RAM: 12 GB vs 8 GB.
- The Galaxy S24 Ultra has a bigger battery: 5000 mAh vs 3900 mAh.
Galaxy S23 vs Galaxy S24 Ultra specs
The Galaxy S23 and Galaxy S24 Ultra differ mainly in size, power, and camera capabilities. The Galaxy S23 is smaller and lighter, with a 6.1 inch screen and 8 GB of RAM, suited for everyday use or those who prefer a compact phone. The Galaxy S24 Ultra offers a larger 6.8 inch screen, more RAM, and a much higher resolution main camera, making it ideal for users who want a roomier display and advanced photography. Battery life is stronger on the S24 Ultra with a 5000 mAh capacity, while the S23 keeps things simpler and lighter.
Galaxy S23 vs Galaxy S24 Ultra price
Galaxy S23 vs Galaxy S24 Ultra battery life and software updates
Battery capacity and update support are key durability factors. Battery size and physical dimensions vary, which affects how each phone feels in hand and how long it can last between charges.
Battery Capacity
The Galaxy S23 has a 3900 mAh battery, which supports a full day of typical use. The Galaxy S24 Ultra has a larger 5000 mAh battery, offering longer use between charges. If you need extended battery life, the S24 Ultra suits you better.
Physical Size and Weight
The Galaxy S23 is smaller and lighter at 146.3 mm height, 70.9 mm width, and 168 g weight. The Galaxy S24 Ultra is taller, wider, and heavier with 162.3 mm height, 79 mm width, and 232 g weight. The S23 fits easily in one hand and pockets, while the S24 Ultra suits those who prefer a larger device.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S23 vs Galaxy S24 Ultra performance
Performance depends on processing power, memory, and storage options. The Galaxy S24 Ultra offers a more powerful chipset and more RAM, alongside larger storage capacities, meeting the needs of users who run demanding apps or multitask heavily. The Galaxy S23 still provides smooth everyday performance with its configuration.
Chipset
The Galaxy S23 uses the Qualcomm SM8550-AC Snapdragon 8 Gen 2 chipset, while the Galaxy S24 Ultra has the newer Qualcomm SM8650-AC Snapdragon 8 Gen 3. The S24 Ultra's chipset offers a step up in processing power that benefits intensive tasks and future-proofing.
RAM
The Galaxy S23 comes with 8 GB of RAM, which keeps everyday apps running smoothly. The Galaxy S24 Ultra has 12 GB of RAM, which supports more apps open at once and better multitasking, ideal if you use many apps or browser tabs simultaneously.
Storage Options
The Galaxy S23 is available in 128GB, 256GB, and 512GB storage sizes, while the Galaxy S24 Ultra starts at 256GB and goes up to 1TB. If you store lots of photos, videos, or apps, the S24 Ultra offers more space for your files.
Chipset
RAM
Galaxy S23 vs Galaxy S24 Ultra screen
Screen size, resolution, and display technology impact how you watch videos, play games, or work on your phone. Both phones support a 120 Hz refresh rate, which makes motion smooth. The Galaxy S24 Ultra offers a larger and sharper display with newer screen technology.
Screen Size and Resolution
The Galaxy S23 has a 6.1 inch screen at 1080 x 2340 resolution, offering a compact and clear display. The Galaxy S24 Ultra features a larger 6.8 inch screen with 1440 x 3120 resolution, providing a more spacious and detailed viewing experience for media and multitasking.
Screen Technology
The Galaxy S23 uses a Dynamic AMOLED 2X screen, giving vibrant colours and brightness. The Galaxy S24 Ultra upgrades to a Dynamic LTPO AMOLED 2X screen, which can adjust refresh rates to save battery and deliver smooth visuals, enhancing viewing in varied conditions.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S23 vs Galaxy S24 Ultra camera
Camera quality and front camera resolution influence photography and video calls. Both phones have the same front camera resolution, but the main camera differs significantly, affecting detail and image quality.
Main Camera
The Galaxy S23 has a 50 megapixel main camera, suitable for high quality photos in most situations. The Galaxy S24 Ultra boasts a 200 megapixel main camera, capturing far more detail and offering advanced photography capabilities for users who prioritise camera performance.
Front Camera
Both phones feature a 12 megapixel front camera, supporting clear selfies and video calls. The front camera quality is consistent across both devices.
Camera type
Front camera
Main camera
Galaxy S23 vs Galaxy S24 Ultra size and design
Other differences include SIM card options, device thickness, and weight. These affect usability, portability, and how you manage mobile connections.
SIM Options
The Galaxy S23 supports one physical SIM plus eSIM, while the Galaxy S24 Ultra offers dual physical SIMs plus eSIM. The S24 Ultra suits users who need to use two physical SIM cards simultaneously, such as for personal and work numbers.
Device Thickness
The Galaxy S23 measures 7.6 mm thick, making it slim and easy to handle. The Galaxy S24 Ultra is thicker at 8.6 mm, reflecting its larger battery and additional features.
Weight
The Galaxy S23 weighs 168 g, which is light for easy carrying. The Galaxy S24 Ultra weighs 232 g, heavier due to its bigger size and battery, which is worth considering if you prefer a lighter phone.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S23 or Galaxy S24 Ultra: which should you buy?
Buy the Galaxy S23 if
- you want to spend less: it starts at £235.29, £265.31 less than the Galaxy S24 Ultra
- you want a lighter build (168 g vs 232 g)
Buy the Galaxy S24 Ultra if
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 3900 mAh)
- you want a bigger screen (6.8 inch vs 6.1 inch)
What our customers say
Customers who buy the Galaxy S23 appreciate its good value and reliable performance. Many mention that the phone looks and works almost like new, with strong battery life and a clear screen. This device suits those who want a smooth daily experience with familiar Samsung features and a compact size. Buyers find it good for travel apps and everyday use and praise its speed and camera quality within its class.
Reviews for the Galaxy S24 Ultra highlight its excellent condition even when refurbished and the premium feel of the device. Customers enjoy the large screen, long battery life, and advanced camera that captures detailed photos. Some mention the stylus as a useful addition. The S24 Ultra is well suited to those who want more storage, a larger display, and higher performance for photography and multitasking.
Both phones attract buyers looking for quality refurbished Samsung devices. The Galaxy S23 fits those who prefer a lighter, simpler phone with solid battery life, while the Galaxy S24 Ultra appeals to users wanting a bigger screen, more memory, and advanced camera features.
Galaxy S23 vs Galaxy S24 Ultra FAQs
Galaxy S23 vs S24 Ultra comes down to the chipset, RAM and battery. Chipset: Qualcomm Snapdragon 8 Gen 2 for Galaxy on the Galaxy S23, Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy S24 Ultra. The Galaxy S24 Ultra has more RAM: 12 GB vs 8 GB.
The Galaxy S23 is cheaper refurbished, from £235.29 compared with £500.60 for the Galaxy S24 Ultra.
The Galaxy S24 Ultra has a bigger battery: 5000 mAh vs 3900 mAh.
The Galaxy S24 Ultra has a higher-resolution main camera: 200 megapixels vs 50 megapixels.
The Galaxy S23 gets updates until Feb 2028. The Galaxy S24 Ultra gets updates until Jan 2031.
The Galaxy S24 Ultra adds more RAM (12 GB vs 8 GB), a bigger battery (5000 mAh vs 3900 mAh) and a bigger screen (6.8 inch vs 6.1 inch). Refurbished, it costs £265.31 more (from £500.60 vs £235.29).
Refurbished, the Galaxy S23 comes in 128GB, 256GB and 512GB, and the Galaxy S24 Ultra in 256GB, 512GB and 1TB.
