Samsung Galaxy S25 vs Samsung Galaxy S26 Ultra
Our verdict: On contract, the Samsung Galaxy S25 works out £373.64 cheaper overall than the Samsung Galaxy S26 Ultra. The Samsung Galaxy S26 Ultra wins on display with a bigger 6.9" screen and a sharper 498 PPI. If you'd rather buy outright, the Samsung Galaxy S25 starts at £449.99 SIM-free.
Samsung Galaxy S25
|
Samsung Galaxy S26 Ultra
|
|
|---|---|---|
| Screen | 6.2" | 6.9" |
| Display | Dynamic LTPO AMOLED 2X | Dynamic LTPO AMOLED 2X |
| Resolution | 1080 x 2340 | 1440 x 3120 |
| Pixels Per Inch | 416 | 498 |
| Rear Camera | 50 Megapixels | 200 Megapixels |
| Front Camera | 12 Megapixels | 12 Megapixels |
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) |
| Storage | 128GB, 256GB, 512GB | 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 | 802.11 a/b/g/n/ac/6e/7 |
| Bluetooth | 5.4, A2DP, LE | 5.4, A2DP, LE |
| Dimensions | 146.9 x 70.4 x 7.2 mm | 163.6 x 78.1 x 7.9 mm |
| Weight | 162 grams | 214 grams |
| Water Resistance | IP68 - Dust and water resistant over 1.5 meter and 30 minutes | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Contracts |
£11.95/mo
£375.00 upfront |
£22.00/mo
£649.00 upfront |
| SIM-free | £449.99 | £1016.10 |
| Deals | Deals |
Frequently Asked Questions
Is the Samsung Galaxy S25 or Samsung Galaxy S26 Ultra cheaper on contract?
Based on total cost of ownership, the Samsung Galaxy S25 is cheaper on contract at £631.80 over the life of the deal from £11.95 per month with £375.00 upfront.
Which has the better screen, the Samsung Galaxy S25 or Samsung Galaxy S26 Ultra?
The Samsung Galaxy S26 Ultra has the bigger screen at 6.9" compared to the Samsung Galaxy S25's 6.2", the Samsung Galaxy S26 Ultra has the sharper display at 498 pixels per inch versus 416, and both use Dynamic LTPO AMOLED 2X panels.
Which has the better camera, the Samsung Galaxy S25 or Samsung Galaxy S26 Ultra?
The Samsung Galaxy S25 features a 50 Megapixels rear camera, while the Samsung Galaxy S26 Ultra 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 or Samsung Galaxy S26 Ultra?
The Samsung Galaxy S25 is cheaper SIM-free, starting from £449.99.
What storage options are available for the Samsung Galaxy S25 and Samsung Galaxy S26 Ultra?
The Samsung Galaxy S25 is available in 128GB, 256GB, 512GB, while the Samsung Galaxy S26 Ultra comes in 256GB, 512GB, 1TB.
What processors do the Samsung Galaxy S25 and Samsung Galaxy S26 Ultra use?
The Samsung Galaxy S25 is powered by the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm), while the Samsung Galaxy S26 Ultra uses the Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm).
Which is easier to carry and hold, the Samsung Galaxy S25 or Samsung Galaxy S26 Ultra?
The Samsung Galaxy S25 is the more portable of the two — it's 52g lighter at 162 grams, it's also the more compact phone at 146.9 x 70.4 x 7.2 mm, and is slimmer at 7.2mm thick.
Which is more water resistant, the Samsung Galaxy S25 or Samsung Galaxy S26 Ultra?
The Samsung Galaxy S25 is rated IP68 - Dust and water resistant over 1.5 meter and 30 minutes, while the Samsung Galaxy S26 Ultra is rated IP68 dust tight and water resistant (immersible up to 1.5m for 30 min).
What operating system do the Samsung Galaxy S25 and Samsung Galaxy S26 Ultra run?
The Samsung Galaxy S25 runs Android 15 and the Samsung Galaxy S26 Ultra runs Android. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.