iPhone 18 Pro vs iPhone 15 Pro Max

The iPhone 15 Pro Max is 4.8 millimetres0.19 inches wider and 9.9 millimetres0.39 inches taller than the iPhone 18 Pro.

The iPhone 15 Pro Max on Amazon (paid link) is now sold renewed at a discount, but the iPhone 18 Pro (paid link) lasts far longer and fits better in the hand. You gain a sharper, more efficient experience without the bulk, though you pay full price to get it. If battery endurance and one-handed control are what matters, buy the 18 Pro now.

Paid link.

Easier one-handed: iPhone 18 Pro

Pocket: iPhone 18 Pro

Weight difference: Not noticeable

iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
iPhone 15 Pro Max
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)

Paid link.

TRUE SCALE · 1.4 PX/MM

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

iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
iPhone 15 Pro Max
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon Renewed (paid link)

Paid link.

HeightWidthDepthWeight18 Pro150.0 millimetres5.91 inches71.9 millimetres2.83 inches8.75 millimetres0.34 inches211 grams7.44 ounces15 Pro Max159.9 millimetres, 9.9 millimetres more6.30 inches, 0.39 inches more76.7 millimetres, 4.8 millimetres more3.02 inches, 0.19 inches more8.25 millimetres, 0.50 millimetres less0.32 inches, 0.02 inches less221 grams, 10 grams more7.80 ounces, 0.35 ounces more

Height: 18 Pro 150.0 millimetres, 15 Pro Max 159.9 millimetres.Height: 18 Pro 5.91 inches, 15 Pro Max 6.30 inches.Width: 18 Pro 71.9 millimetres, 15 Pro Max 76.7 millimetres.Width: 18 Pro 2.83 inches, 15 Pro Max 3.02 inches.Depth: 18 Pro 8.75 millimetres, 15 Pro Max 8.25 millimetres.Depth: 18 Pro 0.34 inches, 15 Pro Max 0.32 inches.Weight: 18 Pro 211 grams, 15 Pro Max 221 grams.Weight: 18 Pro 7.44 ounces, 15 Pro Max 7.80 ounces.

Specifications

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

Height	150.0 millimetres5.91 inches	159.9 millimetres, 9.9 millimetres more6.30 inches, 0.39 inches more
Width	71.9 millimetres2.83 inches	76.7 millimetres, 4.8 millimetres more3.02 inches, 0.19 inches more
Depth	8.75 millimetres0.34 inches	8.25 millimetres, 0.50 millimetres less0.32 inches, 0.02 inches less
Weight	211 grams7.44 ounces	221 grams, 10 grams more7.80 ounces, 0.35 ounces more
Volume	94.4 cubic centimetres5.76 cubic inches	101.2 cubic centimetres, 6.8 cubic centimetres more6.17 cubic inches, 0.42 cubic inches more
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.	89 percent	90 percent, the same

Display size — Screen size is always quoted in inches.	6.3 inches	6.7 inches, 0.4 inches more
Resolution	1206 × 2622	1290 × 2796
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.	36 hrs	29 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	256 GB – 1 TB
Launch price — Base configuration at launch, in US dollars.	1,199 dollars	1,199 dollars, the same

Released	Sep 2026	Sep 2023
Status	Current	Discontinued

Dimensions

The iPhone 15 Pro Max is 9.9 mm (0.39 in) taller, 4.8 mm (0.19 in) wider, 0.50 mm (0.02 in) thinner and 10 g (0.35 oz) heavier than the iPhone 18 Pro. The iPhone 18 Pro measures 150.0 × 71.9 × 8.75 mm (5.91 × 2.83 × 0.34 in) and weighs 211 g (7.44 oz). The iPhone 15 Pro Max measures 159.9 × 76.7 × 8.25 mm (6.30 × 3.02 × 0.32 in) and weighs 221 g (7.80 oz).

Questions about these phones

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

The iPhone 15 Pro Max is 9.9 mm taller than the iPhone 18 Pro.

Which phone is heavier between the iPhone 18 Pro and iPhone 15 Pro Max?

The iPhone 15 Pro Max weighs 10 grams more than the iPhone 18 Pro.

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

The iPhone 15 Pro Max has a 0.4 inch larger display than the iPhone 18 Pro.

Is the iPhone 18 Pro easier to use one-handed than the iPhone 15 Pro Max?

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

Will the iPhone 18 Pro fit in a typical men's jeans pocket?

The iPhone 18 Pro fits in a typical men's jeans pocket.

Is upgrading from the iPhone 15 Pro Max to the iPhone 18 Pro worth it for size alone?

The size-only upgrade from the iPhone 15 Pro Max to the iPhone 18 Pro is worth it.

iPhone 18 Pro vs iPhone 15 Pro Max

Quick answer

Specifications

Dimensions

Also compared with iPhone 18 Pro

Questions about these phones