iPhone 18 Pro vs iPhone 15 Pro Max
Quick answer
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 18 Pro on Amazon (paid link) drops into the hand much more easily than the iPhone 15 Pro Max (paid link), trading sprawling screen space for a genuinely comfortable footprint. You will feel the generational leap in performance and stamina, as the iPhone 18 Pro simply lasts longer. If you love the expansive display of the iPhone 15 Pro Max, which sells renewed now, keep it.
Paid link.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 18 Pro
Weight difference: Not noticeable
TRUE SCALE · 1.4 PX/MM
TRUE SCALE · 2.1 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams. iPhone 15 Pro Max: 159.9 by 76.7 by 8.25 millimetres, 221 grams.
18 Pro, 15 Pro Max shown at 2.1 pixels per millimetre.
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.
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
| 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 |
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Questions about these phones
How do the sizes of the iPhone 18 Pro and iPhone 15 Pro Max compare?
The iPhone 15 Pro Max is 9.9 mm taller, 4.8 mm wider, and 10 g heavier than the iPhone 18 Pro. It also features a larger 6.7-inch display compared to the 6.3-inch screen on the iPhone 18 Pro.
Which phone is easier to use with one hand?
The iPhone 18 Pro is easier for one-handed use than the iPhone 15 Pro Max due to its narrower and shorter frame.
Do both the iPhone 18 Pro and iPhone 15 Pro Max fit in a pocket?
Both models fit in a typical men's jeans pocket, but neither fits comfortably in a median women's jeans pocket.
Which phone is better suited for smaller hands?
The iPhone 18 Pro is better suited for smaller hands because of its more compact dimensions.
Is the weight difference between the iPhone 18 Pro and iPhone 15 Pro Max noticeable?
The 10 g weight difference between the iPhone 18 Pro and the iPhone 15 Pro Max is not practically noticeable in daily use.
How much screen space do you gain by switching to the iPhone 15 Pro Max?
Switching from the iPhone 18 Pro to the iPhone 15 Pro Max gives you 0.4 inches of additional display diagonal, moving from 6.3 inches to 6.7 inches.