Apple
iPhone 15 Plus
Super Retina XDRDisplay
Up to 60HzRefresh
A16 BionicChip
128GB, 256GB, 512GBStorage
£38.44From monthly
Home > Mobile Phones > Phone spec compare
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 15 PlusSuper Retina XDR, 2796 x 1290 | 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 15 PlusA16 Bionic with iOS17 | 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 15 Plus48MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Battery | iPhone 15 Plus4,383mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Best live price | iPhone 15 Plus£38.44 per month, upfront from £30 | 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 Plus
o2.co.uk on O2
128GB, Unlimited, 12 months, £30 upfront
£80.33/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 15 PlusSuper Retina XDR, 2796 x 1290 | 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 15 PlusUp to 60Hz | iPhone 17 Pro MaxUp to 120Hz | Galaxy S26 UltraUp to 120Hz |
| Chipset | iPhone 15 PlusA16 Bionic | iPhone 17 Pro MaxApple A19 Pro | Galaxy S26 UltraSnapdragon 8 Elite Gen 5 |
| Operating system | iPhone 15 PlusiOS17 | iPhone 17 Pro MaxiOS 26 | Galaxy S26 UltraAndroid 16, One UI 8.5 |
| Rear camera | iPhone 15 Plus48MP | iPhone 17 Pro Max48MP + 48MP + 48MP | Galaxy S26 Ultra200MP + 50MP + 50MP + 12MP |
| Front camera | iPhone 15 Plus12MP | iPhone 17 Pro Max18MP | Galaxy S26 Ultra12MP |
| Battery | iPhone 15 Plus4,383mAh | iPhone 17 Pro Max5,088mAh | Galaxy S26 Ultra5,000mAh |
| Charging | iPhone 15 PlusFast-charge capable | iPhone 17 Pro Max40W wired, 25W MagSafe | Galaxy S26 Ultra60W wired |
| Storage options | iPhone 15 Plus128GB, 256GB, 512GB | iPhone 17 Pro Max256GB, 512GB, 1TB, 2TB | Galaxy S26 Ultra256GB, 512GB, 1TB |
| Colours | iPhone 15 PlusBlack, 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 15 Plus160.9 x 77.8 x 7.8 | 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 15 Plus201g | iPhone 17 Pro Max231g | Galaxy S26 Ultra214g |
| Durability | iPhone 15 PlusIP68 | iPhone 17 Pro MaxIP68 | Galaxy S26 UltraIP68 |
| From monthly | iPhone 15 Plus£38.44 | iPhone 17 Pro Max£29.99 | Galaxy S26 Ultra£42 |
| From upfront | iPhone 15 Plus£30 | iPhone 17 Pro Max£0 | Galaxy S26 Ultra£10 |
| Lowest total cost | iPhone 15 Plus£841.96 | iPhone 17 Pro Max£1,231.16 | Galaxy S26 Ultra£1,258 |