Home
Trade-in

Galaxy S23 Ultra vs Galaxy Z Flip4

Shop Samsung Galaxy
  • 24-month warranty
  • Free standard delivery on orders over £50
  • 14-day returns
  • Excellent customer support

Galaxy S23 Ultra

Starting at

£369.24£1,599.00 new
See options

Galaxy Z Flip4

Starting at

£230.00
See options
(589 reviews)
(447 reviews)

What's the difference between the Galaxy S23 Ultra and Galaxy Z Flip4?

Galaxy S23 Ultra vs Z Flip4 comes down to the chipset, RAM and battery. Refurbished, the Galaxy Z Flip4 starts at £230, £139.24 less than the Galaxy S23 Ultra. The Galaxy S23 Ultra is the newer model, released in 2023.

Refurbished from

£369.24£230

Chipset

Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)

RAM

12 GB8 GB

Battery

5000 mAh3700 mAh

Screen size

6.8 inch6.7 inch

Main camera

200 megapixels12 megapixels
  • Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) on the Galaxy Z Flip4.
  • The Galaxy S23 Ultra has more RAM: 12 GB vs 8 GB.
  • The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 3700 mAh.

Galaxy S23 Ultra vs Galaxy Z Flip4 specs

The Galaxy S23 Ultra and Galaxy Z Flip4 cater to different preferences. The Galaxy S23 Ultra is suited for users who want a larger, higher resolution screen, more memory, and a very powerful main camera with 200 megapixels. It also has a bigger battery and runs Android 13. The Galaxy Z Flip4 is designed for those who prefer a more compact, lighter phone with a unique foldable design, running Android 12. It offers a smaller screen with Full HD resolution and a simpler camera setup. Storage and SIM options vary between them, with the S23 Ultra providing larger maximum storage and dual physical SIMs, while the Z Flip4 supports a single physical SIM. Both support 5G and have USB Type-C connectors, though the Z Flip4 uses USB Type-C 2.0.

Galaxy S23 Ultra vs Galaxy Z Flip4 price

Galaxy S23 Ultra vs Galaxy Z Flip4 battery life and software updates

Durability involves battery life and operating system. These affect how long the phone runs between charges and the software experience you get.

Battery Capacity

The Galaxy S23 Ultra has a 5000 mAh battery, which suits heavy users who need longer battery life for gaming, video, or multitasking. The Galaxy Z Flip4 has a smaller 3700 mAh battery, which fits lighter users or those who charge more often during the day.

Operating System

The Galaxy Z Flip4 runs Android 12, which is a fully capable operating system.

Battery

5000 mAh3700 mAh

Ip rating

N/AIPX8

OS at launch

Android 13Android 12

Software updates

Until Feb 2028Until Aug 2027

Year of release

20232022

Galaxy S23 Ultra vs Galaxy Z Flip4 performance

Performance depends on the chipset, RAM, and storage. These determine how smoothly the phone runs apps and handles multitasking.

Processor Power

The Galaxy S23 Ultra uses the Qualcomm SM8550-AC Snapdragon 8 Gen 2 chipset, while the Galaxy Z Flip4 has the Qualcomm SM8475 Snapdragon 8+ Gen 1. Both are modern 4 nm processors, but the S23 Ultra's chipset is the newer model, which may benefit users who run demanding apps or multitask frequently.

Memory Size

With 12 GB of RAM, the Galaxy S23 Ultra supports keeping many apps open at once and smoother multitasking. The Galaxy Z Flip4 has 8 GB of RAM, which is suitable for everyday use and typical app handling.

Storage Options

The Galaxy S23 Ultra offers storage options up to 1TB, which is ideal if you store lots of photos, videos, or apps. The Galaxy Z Flip4 provides storage up to 512GB, which fits users with moderate storage needs.

Chipset

Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)

RAM

12 GB8 GB

Galaxy S23 Ultra vs Galaxy Z Flip4 screen

Screen quality affects how you view content. Both phones use Dynamic AMOLED 2X screens with a 120 Hz refresh rate, but they differ in size and resolution.

Screen Size

The Galaxy S23 Ultra has a 6.8 inch screen, slightly larger than the 6.7 inch screen on the Galaxy Z Flip4. This makes the S23 Ultra better suited for watching videos or multitasking on a bigger display.

Resolution

The Galaxy S23 Ultra offers a higher resolution of 1440 x 3088 pixels, which provides sharper and more detailed images. The Galaxy Z Flip4 has a Full HD resolution of 1080 x 2640 pixels, which is good for everyday use but less detailed than the S23 Ultra.

Refresh Rate and Screen Type

Both phones feature a 120 Hz refresh rate and use Dynamic AMOLED 2X technology, ensuring smooth motion and vivid colours for gaming and video.

Refresh rate

120 Hz120 Hz

Resolution

1440 x 30881080 x 2640

Screen size

6.8 inch6.7 inch

Screen type

Dynamic AMOLED 2XDynamic AMOLED 2X

Galaxy S23 Ultra vs Galaxy Z Flip4 camera

Audiovisual features cover the cameras, which affect photo and video quality for your selfies and main shots.

Front Camera

The Galaxy S23 Ultra has a 12 megapixel front camera, which can capture more detail in selfies and video calls. The Galaxy Z Flip4's front camera has 10 megapixels, suitable for everyday use.

Main Camera

With a 200 megapixel main camera, the Galaxy S23 Ultra is aimed at users who want very high resolution photos and more detailed images. The Galaxy Z Flip4 has a 12 megapixel main camera, which is well suited for casual photography.

Front camera

12 megapixels10 megapixels

Main camera

200 megapixels12 megapixels

Galaxy S23 Ultra vs Galaxy Z Flip4 size and design

Other features include physical size, weight, network compatibility, SIM options, and connectors, all of which influence everyday handling and connectivity.

Physical Dimensions and Weight

The Galaxy S23 Ultra is thicker at 8.9 mm and wider at 78.1 mm, weighing 234 g, making it larger and heavier. The Galaxy Z Flip4 is slimmer at 6.9 mm, narrower at 71.9 mm, and lighter at 187 g, which suits those who prefer a more compact and lightweight phone.

SIM Card Options

The Galaxy S23 Ultra supports dual physical SIMs plus eSIM, ideal for users who want to manage two physical numbers. The Galaxy Z Flip4 supports one physical SIM along with eSIM.

Connector Type

The Galaxy S23 Ultra uses USB Type-C, while the Galaxy Z Flip4 has USB Type-C 2.0.

Mobile Network

Both phones support 5G networks, which allows for fast mobile data speeds where available.

Storage and Carrier Compatibility

Both devices are unlocked for use with any carrier. The Galaxy S23 Ultra offers larger maximum storage options, reaching up to 1TB, while the Galaxy Z Flip4 offers up to 512GB.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CUSB-C 2.0

Depth

8.9 mm6.9 mm

Height

163.4 mm165.2 mm

Mobile network

5G5G

Release date

N/A26 August 2022

SD card slot

NoNo

SIM card

Dual Physical SIM + eSIMPhysical SIM + eSIM

Weight

234 g187 g

Width

78.1 mm71.9 mm

Galaxy S23 Ultra or Galaxy Z Flip4: which should you buy?

Buy the Galaxy S23 Ultra if

  • you want more RAM (12 GB vs 8 GB)
  • you want a bigger battery (5000 mAh vs 3700 mAh)
  • you want a higher-resolution main camera (200 megapixels vs 12 megapixels)

Buy the Galaxy Z Flip4 if

  • you want to spend less: it starts at £230, £139.24 less than the Galaxy S23 Ultra
  • you want a lighter build (187 g vs 234 g)

What our customers say

Customers who bought the Galaxy S23 Ultra praise its like-new appearance and smooth performance. Many highlight the excellent camera quality, especially the 200 megapixel main sensor, and solid battery life. Buyers appreciate the phone's speed and condition, often noting that it looks and feels almost brand new. The larger screen and extra RAM are welcomed by users upgrading or switching to Samsung for the first time. Several mention being happy with the refurbished purchase and its environmental benefits.

Reviews for the Galaxy Z Flip4 vary more. Some customers are very pleased with the phone's condition, screen quality, and compact foldable design. They find it suitable for everyday use and appreciate the unique form factor. Others report issues with battery life and screen reliability. Several describe problems with the device turning off or freezing, and some mention that the battery drains quickly or the screen shows faults. Experiences range from excellent to disappointing, so the phone may suit buyers prioritising the flip design and lighter weight but who accept some risks.

The Galaxy S23 Ultra suits buyers wanting a high-performance, large-screen phone with advanced camera features and longer battery life. The Galaxy Z Flip4 fits those who prefer a smaller, foldable phone with a lighter build and are comfortable with fewer features and the possibility of mixed reliability.

Galaxy S23 Ultra vs Galaxy Z Flip4 FAQs

Galaxy S23 Ultra vs Z Flip4 comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) on the Galaxy Z Flip4. The Galaxy S23 Ultra has more RAM: 12 GB vs 8 GB.

The Galaxy Z Flip4 is cheaper refurbished, from £230 compared with £369.24 for the Galaxy S23 Ultra.

The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 3700 mAh.

The Galaxy S23 Ultra has a higher-resolution main camera: 200 megapixels vs 12 megapixels.

The Galaxy S23 Ultra gets updates until Feb 2028. The Galaxy Z Flip4 gets updates until Aug 2027.

The Galaxy S23 Ultra adds more RAM (12 GB vs 8 GB), a bigger battery (5000 mAh vs 3700 mAh) and a higher-resolution main camera (200 megapixels vs 12 megapixels). Refurbished, it costs £139.24 more (from £369.24 vs £230).

Refurbished, the Galaxy S23 Ultra comes in 256GB, 512GB and 1TB, and the Galaxy Z Flip4 in 128GB, 256GB and 512GB.

Add device
Add device
Add device
Add device