Apple
iPhone 15
6.1-inch Super Retina XDR OLEDDisplay
Up to 60HzRefresh
Apple A16 BionicChip
128GB, 256GB, 512GBStorage
£14From 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 | iPhone 156.1-inch Super Retina XDR OLED, 1179 x 2556 | 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 | iPhone 15Apple A16 Bionic with iOS 17 | 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 | iPhone 1548MP + 12MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Battery | iPhone 153,349mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Best live price | iPhone 15£14 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.
iPhone 15
mobiles.co.uk on iD Mobile
128GB, Unlimited, 24 months, £59 upfront
£26.99/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 | iPhone 156.1-inch Super Retina XDR OLED, 1179 x 2556 | 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 | iPhone 15Up to 60Hz | iPhone 17 Pro MaxUp to 120Hz | Galaxy S26 UltraUp to 120Hz |
| Chipset | iPhone 15Apple A16 Bionic | iPhone 17 Pro MaxApple A19 Pro | Galaxy S26 UltraSnapdragon 8 Elite Gen 5 |
| Operating system | iPhone 15iOS 17 | iPhone 17 Pro MaxiOS 26 | Galaxy S26 UltraAndroid 16, One UI 8.5 |
| Rear camera | iPhone 1548MP + 12MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Front camera | iPhone 1512MP | iPhone 17 Pro Max18MP | Galaxy S26 Ultra12MP |
| Battery | iPhone 153,349mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Charging | iPhone 1520W wired, 15W MagSafe | iPhone 17 Pro Max40W wired, 25W MagSafe | Galaxy S26 Ultra60W wired |
| Storage options | iPhone 15128GB, 256GB, 512GB | iPhone 17 Pro Max256GB, 512GB, 1TB, 2TB | Galaxy S26 Ultra256GB, 512GB, 1TB |
| Colours | iPhone 15Black, Blue, Green, Yellow, Pink | iPhone 17 Pro MaxSilver, Cosmic Orange, Deep Blue | Galaxy S26 UltraCobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold |
| Dimensions | iPhone 15147.6 x 71.6 x 7.8 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 | iPhone 15171g | iPhone 17 Pro Max231g | Galaxy S26 Ultra214g |
| Durability | iPhone 15IP68 | iPhone 17 Pro MaxIP68 | Galaxy S26 UltraIP68 |
| From monthly | iPhone 15£14 | iPhone 17 Pro Max£29.99 | Galaxy S26 Ultra£42 |
| From upfront | iPhone 15£0 | iPhone 17 Pro Max£0 | Galaxy S26 Ultra£10 |
| Lowest total cost | iPhone 15£678 | iPhone 17 Pro Max£1,231.16 | Galaxy S26 Ultra£1,258 |