iPhone 13 Pro Max vs iPhone 14 Pro Max: screen size and viewport
The iPhone 13 Pro Max lays web pages out at 428 × 926 CSS px with a pixel ratio of 3; the iPhone 14 Pro Max at 430 × 932 with 3. The iPhone 14 Pro Max is 2 px wider and 6 px taller.
The two screens side by side
Specs compared
| Spec | iPhone 13 Pro Max | iPhone 14 Pro Max | Difference |
|---|---|---|---|
| Viewport, portrait (CSS px) | 428 × 926 | 430 × 932 | −2 px wide, −6 px tall |
| Device pixel ratio | 3 | 3 | same |
| Physical resolution | 1284 × 2778 | 1290 × 2796 | iPhone 14 Pro Max: 1% more pixels |
| Aspect ratio | 19.5:9 | 19.5:9 | about the same |
| Visible height, portrait, with browser bars | ~749 px | ~742 px | +7 px for the iPhone 13 Pro Max |
| Landscape width (CSS px) | 926 px | 932 px | −6 px for the iPhone 13 Pro Max |
| Visible height, landscape | ~378 px | ~380 px | −2 px for the iPhone 13 Pro Max |
| First released | 2020 | 2022 | 2 years apart |
| Engine in MobileCheck | WebKit (Safari) | WebKit (Safari) | same engine |
CSS px are the units media queries see. Visible heights subtract the status bar and the Safari on iOS bars as set in our device profiles; real bar heights vary with settings and scrolling. The release year is that of the first model with each screen.
What this means for your layout
How the width difference affects your layout
The iPhone 14 Pro Max is 2 CSS px wider (430 vs 428, 0% more). One common breakpoint falls between them: (min-width: 430px) (a common large-phone test width) matches the iPhone 14 Pro Max but not the iPhone 13 Pro Max, so a rule written for that width applies on only one of the two.
In a 2-column card grid with 16 px page padding and 16 px gaps, each card is 191 px wide on the iPhone 14 Pro Max and 190 px on the iPhone 13 Pro Max. Check that buttons, prices and long words still fit in the narrower one.
Pixel density and image sizes
Both draw each CSS pixel with 3 × 3 device pixels, so text and icons are equally sharp. A full-width image (sizes="100vw") needs about 1284 px on the iPhone 13 Pro Max and 1290 px on the iPhone 14 Pro Max to look sharp.
With a srcset such as 640w, 828w, 1080w, 1290w, 1440w, 1640w, 2048w, the browser would normally pick the 1290w file on the iPhone 13 Pro Max and the same one on the iPhone 14 Pro Max.
Above 2× most people can't see much difference in photos, so capping photo candidates around twice the CSS width saves bytes on both. Keep SVG for icons and logos: they stay sharp at any ratio.
How much fits above the fold
On first load about 749 px of the page is visible on the iPhone 13 Pro Max and 742 px on the iPhone 14 Pro Max: 7 px less (1%) on the iPhone 14 Pro Max. The iPhone 13 Pro Max has the shorter screen but shows more, because its bars take less room (177 vs 190 px). That's less than one line of body text, so in practice both show the same first screen.
In landscape
Turned sideways, the iPhone 13 Pro Max is 926 px wide and the iPhone 14 Pro Max 932 px. The visible height drops to about 378 and 380 px, so a 64 px sticky header covers 17% and 17% of the screen — under the 25% at which MobileCheck flags fixed bars covering the page.
Same browser engine
Both are Apple devices, so both render with WebKit, the engine behind Safari. Engine quirks are the same; the differences above come from size alone. Chrome DevTools only emulates the size and still draws with Chromium, so check Apple devices in a WebKit browser — see how to test on an iPhone.
More about these devices
- iPhone 13 Pro Max viewport size — one screen for the iPhone 12 / 13 Pro Max, 14 Plus
- iPhone 14 Pro Max viewport size — one screen for the iPhone 14 Pro Max / 15 Plus / 15 Pro Max / 16 Plus
Or open the free check with the iPhone 13 Pro Max and the iPhone 14 Pro Max preselected: full-page screenshots in WebKit, with problems such as small text and crowded buttons highlighted.
Related comparisons
- iPhone 15 Pro Max vs Galaxy S24 Ultra — 430 vs 384 px wide, 3× vs 2.813×
- iPhone 15 Pro vs iPhone 15 Pro Max — 393 vs 430 px wide, 3× vs 3×
- iPhone 15 Pro Max vs iPhone 16 Pro Max — 430 vs 440 px wide, 3× vs 3×
- iPhone 14 vs iPhone 14 Plus — 390 vs 428 px wide, 3× vs 3×
- iPhone 11 Pro Max vs iPhone 15 Pro Max — 414 vs 430 px wide, 3× vs 3×
Compare other devices → · All mobile viewport sizes →
Frequently asked questions
Is the iPhone 13 Pro Max screen bigger than the iPhone 14 Pro Max?
In CSS pixels, which decide how much of a page fits, the iPhone 14 Pro Max is larger: 430 × 932 against 428 × 926. The iPhone 14 Pro Max has more physical pixels (1290 × 2796), which makes it sharper rather than roomier.
Do I need different CSS for the iPhone 13 Pro Max and the iPhone 14 Pro Max?
Only if your breakpoints fall between 428 and 430 px: a min-width query at 430px applies to one and not the other. A fluid layout handles both without device-specific rules.
How much of a web page is visible on the iPhone 13 Pro Max vs the iPhone 14 Pro Max?
About 428 × 749 CSS px on the iPhone 13 Pro Max and 430 × 742 on the iPhone 14 Pro Max when a page first opens in portrait, after the status bar and Safari on iOS's bars. Bar heights are our device profiles' estimates.