Galaxy S23 Ultra vs Galaxy Z Fold4
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Galaxy S23 Ultra
Starting at
£369.24£1,599.00 new
Galaxy Z Fold4
Starting at
£419.00What's the difference between the Galaxy S23 Ultra and Galaxy Z Fold4?
Galaxy S23 Ultra vs Z Fold4 comes down to the chipset, battery and screen size. Refurbished, the Galaxy S23 Ultra starts at £369.24, £49.76 less than the Galaxy Z Fold4. The Galaxy S23 Ultra is the newer model, released in 2023.
Refurbished from
Chipset
Battery
Screen size
Screen type
Main camera
- Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Snapdragon 8+ Gen 1 SM8475 (4 nm) on the Galaxy Z Fold4.
- The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 4400 mAh.
- The Galaxy Z Fold4 has a bigger screen: 7.6 inch vs 6.8 inch.
Galaxy S23 Ultra vs Galaxy Z Fold4 specs
The Galaxy S23 Ultra and Galaxy Z Fold4 differ mainly in design and use case. The S23 Ultra offers a traditional large smartphone experience with a high-resolution screen and a powerful camera system, suited for users who want strong photography and a sleek form. The Z Fold4 features a larger foldable screen that suits those looking for more screen space for multitasking or media viewing, along with a unique folding design. Performance and memory are similar, but battery capacity and camera specs vary, which affects battery endurance and photography detail. Both phones support 5G and dual SIM options, appealing to users wanting modern connectivity and flexibility.
Galaxy S23 Ultra vs Galaxy Z Fold4 price
Colour
- BlackStarting at £378.24
- RedStarting at £425.85
- LimeStarting at £369.24
- BeigeStarting at £441.75
- GreenStarting at £369.24
- GreyStarting at £369.24
- BlueStarting at £369.24
- PurpleStarting at £425.85
- BlackSold out
- Dark redSold out
- BeigeSold out
- GreySold out
- GraySold out
Storage
- 256GBSold out
- 512GBSold out
- 1TBSold out
Galaxy S23 Ultra vs Galaxy Z Fold4 battery life and software updates
Battery size and software version are key to how long and smoothly your phone runs day to day. Here the two devices differ in battery capacity and operating system version.
Battery Capacity
The Galaxy S23 Ultra has a 5000 mAh battery, which suits users who need longer usage between charges. The Galaxy Z Fold4 has a 4400 mAh battery, which still offers solid endurance but is smaller and may suit those planning shorter daily usage or regular access to charging.
Operating System
The Galaxy Z Fold4 runs Android.
Battery
Fast charging
Foldable
Ip rating
OS at launch
Software updates
Wireless charging
Year of release
Galaxy S23 Ultra vs Galaxy Z Fold4 performance
Both devices deliver strong performance, with the same amount of RAM and high-end Snapdragon chipsets. Differences in chipset models may influence speed and efficiency for demanding apps or multitasking.
Processor Chipset
The Galaxy S23 Ultra uses the Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) chipset, designed for handling the latest apps and games smoothly. The Galaxy Z Fold4 features the Snapdragon 8+ Gen 1 SM8475 (4 nm) chipset, which also provides high-end performance but is a previous generation compared to the S23 Ultra.
Memory and Storage
Both phones come with 12 GB of RAM, which supports multitasking and running multiple apps efficiently. Storage options for both include 256GB, 512GB, and 1TB, allowing you to choose how much space you need for apps, media, and files.
Chipset
RAM
Galaxy S23 Ultra vs Galaxy Z Fold4 screen
Screen size, resolution, and type affect how you see content and interact with your phone. Both devices offer high refresh rates but differ in size and resolution formats suited to different uses.
Screen Size and Type
The Galaxy S23 Ultra has a 6.8 inch Dynamic AMOLED 2X screen, providing a vibrant and sharp display in a conventional smartphone form. The Galaxy Z Fold4 offers a larger 7.6 inch Foldable Dynamic AMOLED 2X screen, which expands for more space, ideal for multitasking or watching videos on a bigger display.
Resolution
The Galaxy S23 Ultra has a resolution of 1440 x 3088, which is very detailed for its screen size, making text and images crisp. The Galaxy Z Fold4 has a resolution of 1812 x 2176, which fits its larger foldable screen and suits users who want more room for apps and media.
Refresh Rate
Both devices feature a 120 Hz refresh rate, ensuring smooth scrolling and animations for a responsive display experience.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S23 Ultra vs Galaxy Z Fold4 camera
Camera resolution is crucial for photo and video quality. The front and main camera specifications show a clear distinction between the devices, affecting your choice depending on photography needs.
Front Camera
The Galaxy S23 Ultra has a 12 megapixel front camera, which suits users who want detailed selfies and video calls. The Galaxy Z Fold4 has a 4 megapixel front camera, offering a simpler front-facing camera experience.
Main Camera
The Galaxy S23 Ultra features a 200 megapixel main camera, providing very high detail for photos and videos, ideal for photography enthusiasts. The Galaxy Z Fold4 has a 50 megapixel main camera that still captures quality images but with fewer megapixels.
Front camera
Main camera
Galaxy S23 Ultra vs Galaxy Z Fold4 size and design
Several design and connectivity factors differ between the two phones, affecting portability and everyday use.
Size and Weight
The Galaxy S23 Ultra measures 163.4 mm in height, 78.1 mm in width, and 8.9 mm in depth, weighing 234 g. This fits a traditional large smartphone profile. The Galaxy Z Fold4 is shorter at 155.1 mm, much wider at 130.1 mm due to its foldable design, thinner at 6.3 mm, but heavier at 263 g, which suits those prioritising screen size over compactness.
Connectivity and SIM Options
Both phones support 5G networks and have dual physical SIM plus eSIM options, giving flexibility for mobile plans or travel. Each device uses a USB Type-C connector for charging and data transfer.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S23 Ultra or Galaxy Z Fold4: which should you buy?
Buy the Galaxy S23 Ultra if
- you want to spend less: it starts at £369.24, £49.76 less than the Galaxy Z Fold4
- you want a bigger battery (5000 mAh vs 4400 mAh)
- you want a higher-resolution main camera (200 megapixels vs 50 megapixels)
Buy the Galaxy Z Fold4 if
- you want a bigger screen (7.6 inch vs 6.8 inch)
What our customers say
Customers who bought the Galaxy S23 Ultra often highlight how the device looks and works like new, with many impressed by the condition exceeding expectations. They appreciate the smooth and fast performance, especially noting the excellent camera quality with the 200 megapixel sensor. Battery life is described as solid, and the screen shows no signs of previous use. Several mention feeling good about choosing a refurbished phone for its environmental benefits while still getting a high-end device.
Galaxy Z Fold4 customers praise the device for its near-new appearance and perfect functioning, with particular satisfaction in the foldable screen condition. Some note small scratches that are barely noticeable and battery life that remains strong after long use. The phone is appreciated for its unique design and large screen, with many stating it works well for their needs. A few mention the crease visibility and occasional warmth but remain happy overall.
Both phones attract buyers looking for quality refurbished devices with strong performance. The Galaxy S23 Ultra suits those wanting a powerful camera and traditional smartphone form, while the Galaxy Z Fold4 appeals to users who value a larger foldable screen and the versatility it provides.
Galaxy S23 Ultra vs Galaxy Z Fold4 FAQs
Galaxy S23 Ultra vs Z Fold4 comes down to the chipset, battery and screen size. Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Snapdragon 8+ Gen 1 SM8475 (4 nm) on the Galaxy Z Fold4. The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 4400 mAh.
The Galaxy S23 Ultra is cheaper refurbished, from £369.24 compared with £419 for the Galaxy Z Fold4.
The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 4400 mAh.
The Galaxy S23 Ultra has a higher-resolution main camera: 200 megapixels vs 50 megapixels.
The Galaxy S23 Ultra gets updates until Feb 2028. The Galaxy Z Fold4 gets updates until Aug 2027.
The Galaxy S23 Ultra adds a bigger battery (5000 mAh vs 4400 mAh), a higher-resolution main camera (200 megapixels vs 50 megapixels) and a higher-resolution front camera (12 megapixels vs 4 megapixels). Refurbished, it costs £49.76 less (from £369.24 vs £419).
Both come in 256GB, 512GB and 1TB refurbished.
