Apple iPhone 15 Plus vs Apple iPhone 17 Pro

Our Verdict: The iPhone 17 Pro is two years newer than the iPhone 15 Plus, and it shows in the specs. The 17 Pro goes up to 1TB of storage, where the 15 Plus 5G tops out at 512GB, and the 15 Plus 5G has the bigger screen, 6.7" against 6.3". If you're on the 15 Plus 5G, the 17 Pro is a real step up, but only worth it if the changes above matter to you.

Over a full contract, the 15 Plus 5G works out around £845 all-in, about £274 less than the 17 Pro.

Expert Rating
4.2
12 reviews
4.5
12 reviews
Screen
6.7" 6.3"
Display
Super Retina XDR OLED LTPO Super Retina XDR OLED
Resolution
1290 x 2796 1206 x 2622
Pixels Per Inch
460 458
Rear Camera
48 Megapixels 48 Megapixels
Front Camera
12 Megapixels 18 Megapixels
Chipset
Apple A16 Bionic (4 nm) Apple A19 Pro
Battery
4,383 mAh 3,988 mAh
Storage
128GB, 256GB, 512GB 256GB, 512GB, 1TB
OS
Apple iOS Apple iOS
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/6 802.11 a/b/g/n/ac/6e/7
Bluetooth
5.3 with A2DP, LE 6.0, A2DP, LE
Dimensions
160.9 x 77.8 x 7.8 mm 150 x 71.9 x 8.8 mm
Weight
201 grams 206 grams
Water Resistance
IP68 dust/water resistant (up to 6m for 30 mins) IP68 dust/water resistant (up to 6m for 30 mins)
Contracts
£67.33/mo (£30.00 upfront) £44.99/mo (£9.00 upfront)
SIM-free
£349.00 £939.99

Prices updated 16 July 2026

Apple iPhone 15 Plus Apple iPhone 15 Plus Apple iPhone 17 Pro Apple iPhone 17 Pro
Expert Rating 4.2
12 reviews
4.5
12 reviews
Screen 6.7" 6.3"
Display Super Retina XDR OLED LTPO Super Retina XDR OLED
Resolution 1290 x 2796 1206 x 2622
Pixels Per Inch 460 458
Rear Camera 48 Megapixels 48 Megapixels
Front Camera 12 Megapixels 18 Megapixels
Chipset Apple A16 Bionic (4 nm) Apple A19 Pro
Battery 4,383 mAh 3,988 mAh
Storage 128GB, 256GB, 512GB 256GB, 512GB, 1TB
OS Apple iOS Apple iOS
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/6 802.11 a/b/g/n/ac/6e/7
Bluetooth 5.3 with A2DP, LE 6.0, A2DP, LE
Dimensions 160.9 x 77.8 x 7.8 mm 150 x 71.9 x 8.8 mm
Weight 201 grams 206 grams
Water Resistance IP68 dust/water resistant (up to 6m for 30 mins) IP68 dust/water resistant (up to 6m for 30 mins)
Contracts £67.33/mo
£30.00 upfront
£44.99/mo
£9.00 upfront
SIM-free £349.00 £939.99
Prices updated 16 July 2026
Deals Deals

Cheapest Deals

Apple iPhone 15 Plus
Apple iPhone 15 Plus

12 Months

128GB

Black

Refurbished

5GB

Data

£67.33 per month, £30 upfront.

Apple iPhone 17 Pro
Apple iPhone 17 Pro

24 Months

256GB

Deep Blue

10GB

Data

£44.99 per month, £9 upfront.

Use code: CASH2 (£2)

Related Comparisons

Frequently Asked Questions

Is the Apple iPhone 15 Plus or Apple iPhone 17 Pro cheaper on contract?

Based on total cost of ownership, the Apple iPhone 15 Plus is cheaper on contract at £845.46 over the life of the deal from £67.33 per month with £30.00 upfront.

Which has the better screen, the Apple iPhone 15 Plus or Apple iPhone 17 Pro?

The Apple iPhone 15 Plus has the bigger screen at 6.7" compared to the Apple iPhone 17 Pro's 6.3", both screens are similarly sharp at around 460 pixels per inch, and the Apple iPhone 15 Plus uses a Super Retina XDR OLED panel while the Apple iPhone 17 Pro has a LTPO Super Retina XDR OLED.

Which has the better camera, the Apple iPhone 15 Plus or Apple iPhone 17 Pro?

The Apple iPhone 15 Plus features a 48 Megapixels rear camera, while the Apple iPhone 17 Pro has a 48 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.

Which is cheaper to buy SIM-free, the Apple iPhone 15 Plus or Apple iPhone 17 Pro?

The Apple iPhone 15 Plus is cheaper SIM-free, starting from £349.00.

What storage options are available for the Apple iPhone 15 Plus and Apple iPhone 17 Pro?

The Apple iPhone 15 Plus is available in 128GB, 256GB, 512GB, while the Apple iPhone 17 Pro comes in 256GB, 512GB, 1TB.

What processors do the Apple iPhone 15 Plus and Apple iPhone 17 Pro use?

The Apple iPhone 15 Plus is powered by the Apple A16 Bionic (4 nm), while the Apple iPhone 17 Pro uses the Apple A19 Pro.

Which is easier to carry and hold, the Apple iPhone 15 Plus or Apple iPhone 17 Pro?

It's a trade-off: the Apple iPhone 15 Plus is lighter but the Apple iPhone 17 Pro is more compact. It's 5g lighter at 201 grams, though the Apple iPhone 17 Pro is actually the more compact phone at 150 x 71.9 x 8.8 mm, the Apple iPhone 15 Plus is slimmer at 7.8mm thick.

Which is more water resistant, the Apple iPhone 15 Plus or Apple iPhone 17 Pro?

Both phones share the same water resistance rating of IP68 dust/water resistant (up to 6m for 30 mins).

What operating system do the Apple iPhone 15 Plus and Apple iPhone 17 Pro run?

Both phones run Apple iOS.