iPhone 18 Pro Max vs iPhone 15 Pro

The iPhone 15 Pro is 7.4 millimetres0.29 inches narrower and 62 grams2.19 ounces lighter than the iPhone 18 Pro Max.

The iPhone 18 Pro Max on Amazon (paid link) is the new flagship with battery life that carries you through more than a day, while the iPhone 15 Pro (paid link) remains a compact choice at a much lower renewed price. You are choosing between endurance and portability, and both run the latest software. Pick the 18 Pro Max if you want the screen and battery, or the 15 Pro to save money and slip it into your pocket.

Paid link.

Easier one-handed: iPhone 15 Pro

Pocket: iPhone 15 Pro

Weight difference: Noticeable

iPhone 18 Pro Max
from $1,299 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
iPhone 15 Pro
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)

Paid link.

TRUE SCALE · 1.3 PX/MM

Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.

iPhone 18 Pro Max
from $1,299 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
iPhone 15 Pro
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)

Paid link.

HeightWidthDepthWeight18 Pro Max163.4 millimetres6.43 inches78.0 millimetres3.07 inches8.75 millimetres0.34 inches249 grams8.78 ounces15 Pro146.6 millimetres, 16.8 millimetres less5.77 inches, 0.66 inches less70.6 millimetres, 7.4 millimetres less2.78 inches, 0.29 inches less8.25 millimetres, 0.50 millimetres less0.32 inches, 0.02 inches less187 grams, 62 grams less6.60 ounces, 2.19 ounces less

Height: 18 Pro Max 163.4 millimetres, 15 Pro 146.6 millimetres.Height: 18 Pro Max 6.43 inches, 15 Pro 5.77 inches.Width: 18 Pro Max 78.0 millimetres, 15 Pro 70.6 millimetres.Width: 18 Pro Max 3.07 inches, 15 Pro 2.78 inches.Depth: 18 Pro Max 8.75 millimetres, 15 Pro 8.25 millimetres.Depth: 18 Pro Max 0.34 inches, 15 Pro 0.32 inches.Weight: 18 Pro Max 249 grams, 15 Pro 187 grams.Weight: 18 Pro Max 8.78 ounces, 15 Pro 6.60 ounces.

Specifications

Specifications for iPhone 18 Pro Max, iPhone 15 Pro. Differences are given against iPhone 18 Pro Max.
Specification	18 Pro Max	15 Pro

Height	163.4 millimetres6.43 inches	146.6 millimetres, 16.8 millimetres less5.77 inches, 0.66 inches less
Width	78.0 millimetres3.07 inches	70.6 millimetres, 7.4 millimetres less2.78 inches, 0.29 inches less
Depth	8.75 millimetres0.34 inches	8.25 millimetres, 0.50 millimetres less0.32 inches, 0.02 inches less
Weight	249 grams8.78 ounces	187 grams, 62 grams less6.60 ounces, 2.19 ounces less
Volume	111.5 cubic centimetres6.81 cubic inches	85.4 cubic centimetres, 26.1 cubic centimetres less5.21 cubic inches, 1.59 cubic inches less
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.	91 percent	89 percent, 2 percent less

Display size — Screen size is always quoted in inches.	6.9 inches	6.1 inches, 0.8 inches less
Resolution	1320 × 2868	1179 × 2556
Pixel density	460 pixels per inch	460 pixels per inch, the same
Cutout	Dynamic Island	Dynamic Island

Rear main	48MP Fusion, variable aperture f/1.48-f/4.0	48MP
Rear ultra-wide	48MP Fusion f/2.2	—
Rear telephoto	48MP Fusion 100mm (4x optical, 8x optical-quality)	—
Front camera	18MP Center Stage f/1.9	12MP

Chip	A20 Pro	A17 Pro
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.	45 hrs	23 hrs

Port	USB-C	USB-C
Wireless	5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem	5G · Wi-Fi · Bluetooth
Water resistance	IP68 (6m for 30 min)	IP68 (6m for 30 min)

Storage	256 GB – 2 TB	128 GB – 1 TB
Launch price — Base configuration at launch, in US dollars.	1,299 dollars	999 dollars, 300 dollars less

Released	Sep 2026	Sep 2023
Status	Current	Discontinued

Dimensions

The iPhone 15 Pro is 16.8 mm (0.66 in) shorter, 7.4 mm (0.29 in) narrower, 0.50 mm (0.02 in) thinner and 62 g (2.19 oz) lighter than the iPhone 18 Pro Max. The iPhone 18 Pro Max measures 163.4 × 78.0 × 8.75 mm (6.43 × 3.07 × 0.34 in) and weighs 249 g (8.78 oz). The iPhone 15 Pro measures 146.6 × 70.6 × 8.25 mm (5.77 × 2.78 × 0.32 in) and weighs 187 g (6.60 oz).

Questions about these phones

How much bigger is the iPhone 18 Pro Max than the iPhone 15 Pro?

The iPhone 18 Pro Max is 16.8 mm taller and 7.4 mm wider than the iPhone 15 Pro.

How much heavier is the iPhone 18 Pro Max compared to the iPhone 15 Pro?

The iPhone 18 Pro Max weighs 62 grams more than the iPhone 15 Pro.

What is the screen size difference between the iPhone 18 Pro Max and the iPhone 15 Pro?

The iPhone 18 Pro Max has a 6.9 inch display while the iPhone 15 Pro has a 6.1 inch display.

Which phone is easier to use one-handed?

The iPhone 15 Pro is easier to use one-handed than the iPhone 18 Pro Max.

Do these phones fit in a pocket?

The iPhone 15 Pro is more pocketable than the iPhone 18 Pro Max, though both fit in a typical men's jeans pocket.

Is the size upgrade worth it?

Whether the size upgrade is worth it depends on whether you value the larger screen or prefer a lighter phone.

iPhone 18 Pro Max vs iPhone 15 Pro

Quick answer

Specifications

Dimensions

Also compared with iPhone 18 Pro Max

Questions about these phones