Samsung
Galaxy S25 Ultra
6.9-inch Dynamic AMOLED 2XDisplay
Up to 120HzRefresh
Snapdragon 8 Elite for GalaxyChip
256GB, 512GB, 1TBStorage
£33From monthly
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Compare phone specs side by side
Pick any three phones, then compare the screen, chipset, cameras, battery, storage, live monthly pricing and the best GetLow deal routes in one clean view.
Apple
iPhone 17 Pro Max
6.9-inch Super Retina XDR OLEDDisplay
Up to 120HzRefresh
Apple A19 ProChip
256GB, 512GB, 1TB, 2TBStorage
£29.99From monthly
Samsung
Galaxy S26 Ultra
6.9-inch Dynamic LTPO AMOLED 2XDisplay
Up to 120HzRefresh
Snapdragon 8 Elite Gen 5Chip
256GB, 512GB, 1TBStorage
£42From monthly
Main spec snapshot
The quick buying view: screen, performance, camera, battery and live contract position before you dive into the full table.
| Display | Galaxy S25 Ultra6.9-inch Dynamic AMOLED 2X, 1440 x 3120 | iPhone 17 Pro Max6.9-inch Super Retina XDR OLED, 1320 x 2868 | Galaxy S26 Ultra6.9-inch Dynamic LTPO AMOLED 2X, 1440 x 3120 |
|---|---|---|---|
| Performance | Galaxy S25 UltraSnapdragon 8 Elite for Galaxy with Android 15, One UI 7 | iPhone 17 Pro MaxApple A19 Pro with iOS 26 | Galaxy S26 UltraSnapdragon 8 Elite Gen 5 with Android 16, One UI 8.5 |
| Rear camera | Galaxy S25 Ultra200MP + 50MP + 10MP + 50MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Battery | Galaxy S25 Ultra5,000mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Best live price | Galaxy S25 Ultra£33 per month, upfront from £0 | iPhone 17 Pro Max£29.99 per month, upfront from £0 | Galaxy S26 Ultra£42 per month, upfront from £10 |
Top deal routes
Each phone gets the same four routes: our recommended value pick, the cheapest monthly deal, the lowest total contract cost and the lowest upfront route.
Galaxy S25 Ultra
fonehouse.co.uk on Three
256GB, Unlimited, 24 months, £79 upfront
£36/mo
iPhone 17 Pro Max
mobiles.co.uk on iD Mobile
256GB, Unlimited, 24 months, £529 upfront
£29.99/mo
Galaxy S26 Ultra
mobiles.co.uk on iD Mobile
256GB, Unlimited, 24 months, £199 upfront
£44.99/mo
Full side-by-side specs
The deeper detail for buyers choosing between the three: size, cameras, battery, charging, durability, storage and current deal coverage.
| Screen | Galaxy S25 Ultra6.9-inch Dynamic AMOLED 2X, 1440 x 3120 | iPhone 17 Pro Max6.9-inch Super Retina XDR OLED, 1320 x 2868 | Galaxy S26 Ultra6.9-inch Dynamic LTPO AMOLED 2X, 1440 x 3120 |
|---|---|---|---|
| Refresh rate | Galaxy S25 UltraUp to 120Hz | iPhone 17 Pro MaxUp to 120Hz | Galaxy S26 UltraUp to 120Hz |
| Chipset | Galaxy S25 UltraSnapdragon 8 Elite for Galaxy | iPhone 17 Pro MaxApple A19 Pro | Galaxy S26 UltraSnapdragon 8 Elite Gen 5 |
| Operating system | Galaxy S25 UltraAndroid 15, One UI 7 | iPhone 17 Pro MaxiOS 26 | Galaxy S26 UltraAndroid 16, One UI 8.5 |
| Rear camera | Galaxy S25 Ultra200MP + 50MP + 10MP + 50MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Front camera | Galaxy S25 Ultra12MP | iPhone 17 Pro Max18MP | Galaxy S26 Ultra12MP |
| Battery | Galaxy S25 Ultra5,000mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Charging | Galaxy S25 Ultra45W wired, 15W wireless | iPhone 17 Pro Max40W wired, 25W MagSafe | Galaxy S26 Ultra60W wired |
| Storage options | Galaxy S25 Ultra256GB, 512GB, 1TB | iPhone 17 Pro Max256GB, 512GB, 1TB, 2TB | Galaxy S26 Ultra256GB, 512GB, 1TB |
| Colours | Galaxy S25 UltraTitanium Black, Titanium Grey, Titanium Jetblack, Titanium Silverblue, Titanium Whitesilver | iPhone 17 Pro MaxSilver, Cosmic Orange, Deep Blue | Galaxy S26 UltraCobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold |
| Dimensions | Galaxy S25 Ultra162.8 x 77.6 x 8.2 mm | iPhone 17 Pro Max163.4 x 78.0 x 8.75 mm | Galaxy S26 Ultra163.6 x 78.1 x 7.9 mm |
| Weight | Galaxy S25 Ultra218g | iPhone 17 Pro Max231g | Galaxy S26 Ultra214g |
| Durability | Galaxy S25 UltraIP68 | iPhone 17 Pro MaxIP68 | Galaxy S26 UltraIP68 |
| From monthly | Galaxy S25 Ultra£33 | iPhone 17 Pro Max£29.99 | Galaxy S26 Ultra£42 |
| From upfront | Galaxy S25 Ultra£0 | iPhone 17 Pro Max£0 | Galaxy S26 Ultra£10 |
| Lowest total cost | Galaxy S25 Ultra£942.40 | iPhone 17 Pro Max£1,231.16 | Galaxy S26 Ultra£1,258 |