Samsung Galaxy S25 Ultra vs Samsung Galaxy Z Fold 7

Our verdict: On contract, the Samsung Galaxy S25 Ultra works out £724.00 cheaper overall than the Samsung Galaxy Z Fold 7. The Samsung Galaxy Z Fold 7 has a bigger 8" screen, but the Samsung Galaxy S25 Ultra is sharper at 505 PPI. If you'd rather buy outright, the Samsung Galaxy S25 Ultra starts at £709.00 SIM-free. The Samsung Galaxy S25 Ultra gives you more flexibility with 3 storage options to choose from.

Screen
6.8" 8"
Display
Dynamic LTPO AMOLED 2X Foldable Dynamic LTPO AMOLED 2X
Resolution
1440 x 3120 1968 x 2184
Pixels Per Inch
505 367
Rear Camera
200 Megapixels 200 Megapixels
Front Camera
12 Megapixels 10 Megapixels
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Storage
256GB, 512GB, 1TB 256GB, 512GB
OS
Android 15 Android
SIM Type
nano-SIM and e-SIM nano-SIM and e-SIM
Connectivity
Up to 5G Up to 5G
Wi-Fi
802.11 a/b/g/n/ac/6e/7 802.11 a/b/g/n/ac/6/7
Bluetooth
5.3, A2DP, LE 5.4, A2DP, LE, aptX HD
Dimensions
162.8 x 77.6 x 8.2 mm 158.4 x 143.2 x 4.2 mm
Weight
219 grams 215 grams
Water Resistance
IP68 - Dust and water resistant over 1.5 meter and 30 minutes IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Contracts
£28.99/mo (£89.00 upfront) £59.99/mo (£69.00 upfront)
SIM-free
£709.00 £1229.99
Samsung Galaxy S25 Ultra Samsung Galaxy S25 Ultra Samsung Galaxy Z Fold 7 Samsung Galaxy Z Fold 7
Screen 6.8" 8"
Display Dynamic LTPO AMOLED 2X Foldable Dynamic LTPO AMOLED 2X
Resolution 1440 x 3120 1968 x 2184
Pixels Per Inch 505 367
Rear Camera 200 Megapixels 200 Megapixels
Front Camera 12 Megapixels 10 Megapixels
Chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Storage 256GB, 512GB, 1TB 256GB, 512GB
OS Android 15 Android
SIM Type nano-SIM and e-SIM nano-SIM and e-SIM
Connectivity Up to 5G Up to 5G
Wi-Fi 802.11 a/b/g/n/ac/6e/7 802.11 a/b/g/n/ac/6/7
Bluetooth 5.3, A2DP, LE 5.4, A2DP, LE, aptX HD
Dimensions 162.8 x 77.6 x 8.2 mm 158.4 x 143.2 x 4.2 mm
Weight 219 grams 215 grams
Water Resistance IP68 - Dust and water resistant over 1.5 meter and 30 minutes IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Contracts £28.99/mo
£89.00 upfront
£59.99/mo
£69.00 upfront
SIM-free £709.00 £1229.99
Deals Deals

Frequently Asked Questions

Is the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7 cheaper on contract?

Based on total cost of ownership, the Samsung Galaxy S25 Ultra is cheaper on contract at £796.93 over the life of the deal from £28.99 per month with £89.00 upfront.

Which has the better screen, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7?

The Samsung Galaxy Z Fold 7 has the bigger screen at 8" compared to the Samsung Galaxy S25 Ultra's 6.8", the Samsung Galaxy S25 Ultra has the sharper display at 505 pixels per inch versus 367, and the Samsung Galaxy S25 Ultra uses a Dynamic LTPO AMOLED 2X panel while the Samsung Galaxy Z Fold 7 has a Foldable Dynamic LTPO AMOLED 2X.

Which has the better camera, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7?

The Samsung Galaxy S25 Ultra features a 200 Megapixels rear camera, while the Samsung Galaxy Z Fold 7 has a 200 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.

Which is cheaper to buy SIM-free, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7?

The Samsung Galaxy S25 Ultra is cheaper SIM-free, starting from £709.00.

What storage options are available for the Samsung Galaxy S25 Ultra and Samsung Galaxy Z Fold 7?

The Samsung Galaxy S25 Ultra is available in 256GB, 512GB, 1TB, while the Samsung Galaxy Z Fold 7 comes in 256GB, 512GB.

What processors do the Samsung Galaxy S25 Ultra and Samsung Galaxy Z Fold 7 use?

The Samsung Galaxy S25 Ultra is powered by the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm), while the Samsung Galaxy Z Fold 7 uses the Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm).

Which is easier to carry and hold, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7?

It's a trade-off: the Samsung Galaxy Z Fold 7 is lighter but the Samsung Galaxy S25 Ultra is more compact. It's 4g lighter at 215 grams, though the Samsung Galaxy S25 Ultra is actually the more compact phone at 162.8 x 77.6 x 8.2 mm, the Samsung Galaxy Z Fold 7 is slimmer at 4.2mm thick.

Which is more water resistant, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold 7?

The Samsung Galaxy S25 Ultra is rated IP68 - Dust and water resistant over 1.5 meter and 30 minutes, while the Samsung Galaxy Z Fold 7 is rated IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min).

What operating system do the Samsung Galaxy S25 Ultra and Samsung Galaxy Z Fold 7 run?

The Samsung Galaxy S25 Ultra runs Android 15 and the Samsung Galaxy Z Fold 7 runs Android. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.