Galaxy S25 Ultra vs Galaxy Z Flip6
Shop Samsung Galaxy
Galaxy S25 Ultra
Starting at
£678.00£1,249.00 new
Galaxy Z Flip6
Starting at
£296.00What's the difference between the Galaxy S25 Ultra and Galaxy Z Flip6?
Galaxy S25 Ultra vs Z Flip6 comes down to the chipset, battery and screen size. Refurbished, the Galaxy Z Flip6 starts at £296, £382 less than the Galaxy S25 Ultra. The Galaxy S25 Ultra is the newer model, released in 2025.
Refurbished from
Chipset
Battery
Screen size
Screen type
Main camera
- Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy Z Flip6.
- The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
- The Galaxy S25 Ultra has a bigger screen: 6.9 inch vs 6.7 inch.
Galaxy S25 Ultra vs Galaxy Z Flip6 specs
The Galaxy S25 Ultra and Galaxy Z Flip6 differ significantly in design and capabilities, suiting different needs. The Galaxy S25 Ultra has a larger, higher resolution screen and a more advanced camera setup, making it ideal if you want top-tier photography and a more immersive display. It also offers a bigger battery and more storage options. The Galaxy Z Flip6 is a compact foldable phone with a smaller, foldable screen and a lighter, slimmer build. It runs Android 14 and suits those who want a pocket-friendly device with decent performance and a distinctive foldable design. Both offer 12 GB RAM and 5G support, so they handle everyday tasks smoothly.
Galaxy S25 Ultra vs Galaxy Z Flip6 price
Colour
- BlackStarting at £678.00
- BlueStarting at £678.00
- GreyStarting at £678.00
- Titanium Jet BlackStarting at £680.00
- SilverStarting at £678.00
- Rose GoldStarting at £680.00
- GreenStarting at £678.00
- GrayStarting at £678.00
- BlackSold out
- OrangeSold out
- YellowSold out
- BlueSold out
- GreenSold out
- SilverSold out
- WhiteSold out
Storage
- 256GBSold out
- 512GBSold out
Galaxy S25 Ultra vs Galaxy Z Flip6 battery life and software updates
Durability covers battery capacity, operating system, and how recent the devices are. These factors affect how long you can use the device between charges and the software experience you get.
Battery Capacity Differences
The Galaxy S25 Ultra has a 5000 mAh battery, which supports longer usage between charges, helpful if you use your phone heavily or avoid frequent charging. The Galaxy Z Flip6 has a 4000 mAh battery, which suits lighter use or if you prefer a smaller device that is easier to carry.
Operating System Versions
The Galaxy S25 Ultra runs Android, but the version is unspecified.
Release Year
The Galaxy S25 Ultra was released in 2025 and the Galaxy Z Flip6 in 2024.
Battery
Fast charging
Foldable
Ip rating
OS at launch
Software updates
Wireless charging
Year of release
Galaxy S25 Ultra vs Galaxy Z Flip6 performance
Performance depends on the chipset and RAM, which affect how quickly and smoothly apps run and multitask. Storage options also matter for keeping apps, photos, and files.
Chipset Technology
The Galaxy S25 Ultra is powered by the Qualcomm SM8750-AC Snapdragon 8 Elite built on a 3 nm process. The Galaxy Z Flip6 uses the Qualcomm SM8650-AC Snapdragon 8 Gen 3 built on a 4 nm process.
RAM and Multitasking
Both phones have 12 GB of RAM, which is ample for running multiple apps and keeping them open without slowdown. This means either device will handle multitasking well for everyday use or demanding apps.
Storage Capacity Options
The Galaxy S25 Ultra offers 256GB, 512GB, and 1TB storage options, suitable if you need a lot of space for apps, media, or work files. The Galaxy Z Flip6 comes with 256GB or 512GB, which fits most users but offers less maximum capacity than the S25 Ultra.
Chipset
RAM
Galaxy S25 Ultra vs Galaxy Z Flip6 screen
Screen quality affects how you view content and interact with your phone. Size, resolution, refresh rate, and screen type influence sharpness, smoothness, and usability.
Screen Size and Resolution
The Galaxy S25 Ultra has a 6.9 inch screen with 1440x3120 resolution, making it larger and sharper, which suits watching videos or working on detailed content. The Galaxy Z Flip6 has a slightly smaller 6.7 inch screen with 1080x2640 resolution, which still delivers a clear image but with fewer pixels.
Screen Refresh Rate
Both devices feature a 120 Hz refresh rate, which provides smooth motion for scrolling and animations, enhancing the viewing experience on either phone.
Screen Technology
The Galaxy S25 Ultra uses a Dynamic LTPO AMOLED 2X screen. The Galaxy Z Flip6 uses a Foldable Dynamic LTPO AMOLED 2X screen. The Z Flip6's foldable screen offers a compact form factor, ideal if you want a phone that folds to fit easily in a pocket.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S25 Ultra vs Galaxy Z Flip6 camera
Camera quality is important for photography and video calling. Front and main cameras differ in megapixels and features, which impacts photo detail and zoom capabilities.
Front Camera Detail
The Galaxy S25 Ultra has a 12 megapixel front camera, which can capture more detail for selfies and video calls compared to the Galaxy Z Flip6's 10 megapixel front camera.
Main Camera Setup
The Galaxy S25 Ultra features a multi-lens main camera system including a 200 MP wide, 10 MP telephoto with 3x optical zoom, and 50 MP periscope telephoto with 5x optical zoom. This setup is designed for detailed photos at various distances. The Galaxy Z Flip6 has a single 50 megapixel main camera, which is suitable for everyday photography but offers fewer zoom options and lower megapixel count.
Camera type
Front camera
Main camera
Galaxy S25 Ultra vs Galaxy Z Flip6 size and design
Other differences include physical size, weight, connectivity, and network support, which influence portability, comfort, and compatibility.
Dimensions and Weight
The Galaxy S25 Ultra measures 162 mm in height, 77 mm in width, and 8 mm in depth, weighing 218 g. The Galaxy Z Flip6 is slightly taller at 165.1 mm, narrower at 71.9 mm, and thinner at 6.9 mm, weighing 187 g. The Z Flip6's slim, light design suits those wanting a compact, pocket-friendly phone.
Network and SIM Options
Both phones support 5G and have physical SIM plus eSIM options, offering flexibility for mobile carriers and plans.
Connector Types
The Galaxy S25 Ultra uses a USB-C connector. The Galaxy Z Flip6 uses USB Type-C. Both support common USB connections for charging and data transfer.
Storage Expansion
Neither device has an SD card slot, so storage is fixed to the internal options you choose.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S25 Ultra or Galaxy Z Flip6: which should you buy?
Buy the Galaxy S25 Ultra if
- you want a bigger battery (5000 mAh vs 4000 mAh)
- you want a bigger screen (6.9 inch vs 6.7 inch)
- you want a higher-resolution main camera (200 megapixels vs 50 megapixels)
Buy the Galaxy Z Flip6 if
- you want to spend less: it starts at £296, £382 less than the Galaxy S25 Ultra
- you want a lighter build (187 g vs 218 g)
What our customers say
Customers who bought the Galaxy S25 Ultra say it looks almost brand new with no marks or scratches, often with battery health at or near 100%. Many praise its excellent performance, long-lasting battery, and outstanding display. The camera impresses users with its ability to take great photos in various lighting without needing complex settings. The build quality feels solid, and some users appreciate the included S Pen. Customers find the phone easy to use despite its many features. Some mention good condition and appearance, with a few noting colour differences from their order. Overall, buyers recommend the S25 Ultra for its speed, screen quality, and camera.
Galaxy Z Flip6 customers highlight how the phone appears like new, even when purchasing the fair condition option. They appreciate the smooth performance and the foldable design that makes the phone compact and easy to carry. Users find transferring data straightforward and enjoy discovering the phone's features. Some mention almost no visible scratches and good battery condition. One customer notes the importance of choosing premium condition for foldable phones. The lightweight and slim profile suit those who want a smaller device without sacrificing performance.
Both phones offer strong performance and quality screens, but the S25 Ultra appeals to those prioritising a larger, sharper display and advanced cameras. The Z Flip6 suits buyers who want a stylish foldable that fits easily in a pocket and runs Android 14.
Galaxy S25 Ultra vs Galaxy Z Flip6 FAQs
Galaxy S25 Ultra vs Z Flip6 comes down to the chipset, battery and screen size. Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy Z Flip6. The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
The Galaxy Z Flip6 is cheaper refurbished, from £296 compared with £678 for the Galaxy S25 Ultra.
The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
The Galaxy S25 Ultra has a higher-resolution main camera: 200 megapixels vs 50 megapixels.
The Galaxy S25 Ultra gets updates until Feb 2032. The Galaxy Z Flip6 gets updates until Jul 2031.
The Galaxy S25 Ultra adds a bigger battery (5000 mAh vs 4000 mAh), a bigger screen (6.9 inch vs 6.7 inch) and a higher-resolution main camera (200 megapixels vs 50 megapixels). Refurbished, it costs £382 more (from £678 vs £296).
Refurbished, the Galaxy S25 Ultra comes in 256GB, 512GB and 1TB, and the Galaxy Z Flip6 in 256GB and 512GB.
