Samsung Galaxy S25 Ultra vs Samsung Galaxy Z Fold8
Over a full contract, the S25 Ultra works out around £840 all-in, about £535 less than the Z Fold8.
12 reviews 4.5
6 reviews
Prices updated 12 August 2026
Samsung Galaxy S25 Ultra
|
Samsung Galaxy Z Fold8
|
|
|---|---|---|
| Expert Rating | 4.4 12 reviews |
4.5 6 reviews |
| Screen | 6.8" | 7.6" |
| Display | Dynamic LTPO AMOLED 2X | LTPO AMOLED 2X, 120Hz, Corning Gorilla Glass Ceramic 2 |
| Resolution | 1440 x 3120 | 1828 x 2584 |
| Pixels Per Inch | 505 | 416 |
| Rear Camera | 200 Megapixels | 50 Megapixels |
| Front Camera | 12 Megapixels | 10 Megapixels |
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) |
| Battery | 5,000 mAh | 4,800 mAh |
| Storage | 256GB, 512GB, 1TB | 256GB, 512GB, 1TB |
| 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 | 161.4 x 123.9 x 4.9 mm |
| Weight | 219 grams | 199 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 |
£33.79/mo
£29.00 upfront |
£44.99/mo
£269.00 upfront |
| SIM-free | £569.99 | £1389.00 |
| Prices updated 12 August 2026 | ||
| Deals | Deals | |
Cheapest Deals
Related Comparisons
Frequently Asked Questions
Is the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold8 cheaper on contract?
Based on total cost of ownership, the Samsung Galaxy S25 Ultra is cheaper on contract at £839.96 over the life of the deal from £33.79 per month with £29.00 upfront.
Which has the better screen, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold8?
The Samsung Galaxy Z Fold8 has the bigger screen at 7.6" 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 416, and the Samsung Galaxy S25 Ultra uses a Dynamic LTPO AMOLED 2X panel while the Samsung Galaxy Z Fold8 has a LTPO AMOLED 2X, 120Hz, Corning Gorilla Glass Ceramic 2.
Which has the better camera, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold8?
The Samsung Galaxy S25 Ultra features a 200 Megapixels rear camera, while the Samsung Galaxy Z Fold8 has a 50 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 Fold8?
The Samsung Galaxy S25 Ultra is cheaper SIM-free, starting from £569.99.
What storage options are available for the Samsung Galaxy S25 Ultra and Samsung Galaxy Z Fold8?
The Samsung Galaxy S25 Ultra is available in 256GB, 512GB, 1TB, while the Samsung Galaxy Z Fold8 comes in 256GB, 512GB, 1TB.
What processors do the Samsung Galaxy S25 Ultra and Samsung Galaxy Z Fold8 use?
The Samsung Galaxy S25 Ultra is powered by the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm), while the Samsung Galaxy Z Fold8 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 Fold8?
It's a trade-off: the Samsung Galaxy Z Fold8 is lighter but the Samsung Galaxy S25 Ultra is more compact. It's 20g lighter at 199 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 Fold8 is slimmer at 4.9mm thick.
Which is more water resistant, the Samsung Galaxy S25 Ultra or Samsung Galaxy Z Fold8?
The Samsung Galaxy S25 Ultra is rated IP68 - Dust and water resistant over 1.5 meter and 30 minutes, while the Samsung Galaxy Z Fold8 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 Fold8 run?
The Samsung Galaxy S25 Ultra runs Android 15 and the Samsung Galaxy Z Fold8 runs Android. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.