"What's the size of a iPhone?" doesn't have one answer — it depends on whether you mean the diagonal screen measurement, the pixel resolution, or the actual physical footprint of the phone, and those three numbers don't always move together. This guide breaks down the iPhone display size and resolution for every current model, in one place, along with what each number actually tells you.
What Do These Numbers Actually Mean?
Three separate figures get lumped together under "iPhone screen size," and they answer different questions. Screen size is the diagonal measurement in inches, from one corner of the display to the other — this is the number most people mean when they say "6.1-inch iPhone." Resolution is the pixel count, written as width × height (for example, 1179 × 2556), and it tells you how much detail the screen can actually display. PPI (pixels per inch) measures how densely those pixels are packed — a higher PPI means sharper text and images at the same screen size, and every current iPhone sits at either 458 or 460 PPI, close enough that the difference isn't visible to the eye.
iPhone Size Comparison Chart: Every Model at a Glance
Here's the full breakdown, model by model, sourced from Apple's own display specifications:
| Model | Screen Size | Resolution | PPI |
| iPhone 13 | 6.06" | 1170 × 2532 | 460 |
| iPhone 13 Pro | 6.06" | 1170 × 2532 | 460 |
| iPhone 13 Pro Max | 6.68" | 1284 × 2778 | 458 |
| iPhone 14 | 6.1" | 1170 × 2532 | 460 |
| iPhone 14 Plus | 6.7" | 1284 × 2778 | 458 |
| iPhone 14 Pro | 6.1" | 1179 × 2556 | 460 |
| iPhone 14 Pro Max | 6.7" | 1290 × 2796 | 460 |
| iPhone 15 | 6.1" | 1179 × 2556 | 460 |
| iPhone 15 Plus | 6.7" | 1290 × 2796 | 460 |
| iPhone 15 Pro | 6.1" | 1179 × 2556 | 460 |
| iPhone 15 Pro Max | 6.7" | 1290 × 2796 | 460 |
| iPhone 16 | 6.1" | 1179 × 2556 | 460 |
| iPhone 16 Plus | 6.7" | 1290 × 2796 | 460 |
| iPhone 16 Pro | 6.3" | 1206 × 2622 | 460 |
| iPhone 16 Pro Max | 6.9" | 1320 × 2868 | 460 |
| iPhone 17 | 6.3" | 1206 × 2622 | 460 |
| iPhone 17 Air | 6.5" | 1260 × 2736 | 460 |
| iPhone 17 Pro | 6.3" | 1206 × 2622 | 460 |
| iPhone 17 Pro Max | 6.9" | 1320 × 2868 | 460 |
| iPhone 18 Pro | 6.3" | 1206 × 2622 | 460 |
| iPhone 18 Pro Max | 6.9" | 1320 × 2868 | 460 |
iPhone Display Size: Why the Same Screen Size Doesn't Always Mean the Same Phone
This is the part that trips people up most: two iPhones can share the exact same iPhone display size on paper and still be different phones with different case requirements. The iPhone 14 and iPhone 15, for example, are both listed at 6.1 inches — but the 15 uses a different resolution (1179 × 2556 vs. the 14's 1170 × 2532) because of design changes around the Dynamic Island and camera housing. Screen size tells you how big the visible display is; it doesn't tell you the exact shape of the bezels, the camera cutout, or the button layout, which is why a case built for one 6.1-inch iPhone won't necessarily fit another. We go through this model-by-model in The Ultimate iPhone Case Compatibility Guide for Every Model if you're shopping for a case specifically.
What Actually Determines "The Size of a iPhone"?
Screen size and resolution describe the display — they don't describe the phone itself. The actual size of a iPhone, meaning its height, width, and thickness, is a separate set of measurements that depends on bezel width, frame design, and camera housing depth, not just the diagonal screen measurement. Two phones with identical screen sizes can still have different overall dimensions, which is the other reason cases aren't interchangeable across models even when the display specs line up.
How to Find Your iPhone's Exact Screen Size and Resolution
The fastest way to confirm which model you have — and by extension, its screen size and resolution — is in Settings > General > About, where the Model Name field shows your exact iPhone. From there, you can match it against the chart above. This step matters more than eyeballing the phone, since several models look nearly identical side by side despite having different specs underneath.
Why This Matters When Choosing a Case
Because screen size alone doesn't capture bezel shape, camera placement, or button position, a case has to be built around the specific model rather than just the display's diagonal measurement. Scorpify molds each case separately for its exact iPhone model rather than grouping phones by screen size, which is part of why the full iPhone case lineup is organized by model name rather than by display size.
A Few Cases Worth a Look
Once you've confirmed your exact model from the chart above, here are a few Scorpify styles to browse:
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Black Leopard Print MagSafe iPhone Case — a bold animal-print finish over a black base
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Natural Mother of Pearl MagSafe iPhone Case — a soft, iridescent pearl finish
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Rose Stardust MagSafe iPhone Case — a rose-and-pink glitter finish with a deep maroon MagSafe ring
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Gleam Rose Halo Glitter Resin MagSafe iPhone Case — a glitter-resin finish in a rose tone
Each is available across Scorpify's supported model range, from iPhone 13 through the current iPhone 18 Pro and Pro Max — just select your exact model on the product page before checking out.
FAQ
Do the iPhone 15 and iPhone 16 have the same screen size? Yes, both the standard models measure 6.1 inches with a matching 1179 × 2556 resolution — but that doesn't mean their cases are interchangeable, since other design details still changed between generations.
What's the highest-resolution iPhone screen currently available? The iPhone 16 Pro Max, iPhone 17 Pro Max, and iPhone 18 Pro Max all share the highest current resolution at 1320 × 2868 pixels, on a 6.9-inch display.
Is a higher PPI always better? Not meaningfully beyond a certain point. Every current iPhone sits at 458–460 PPI, which is well past the threshold where the human eye can distinguish individual pixels at normal viewing distance — the difference between 458 and 460 PPI isn't visible in practice.
Why do some 6.1-inch iPhones have different resolutions? Design changes like the Dynamic Island and revised camera housings shift the exact pixel dimensions even when the diagonal screen size stays the same, which is why resolution and screen size need to be checked separately.
Written by Jessie, Senior Product Manager, with 10 years of experience in brand and product management.
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