Apple iPhone 17 Pro Max
6.9" OLED · 1320× 2868 · 458 PPI
Optimal Viewing Distance
19cm
Retina distance: 19.1cm / 7.5in
Too Close
< 6cm
Perfect Zone
19cm
Good Zone
29cm
Acceptable Zone
48cm
Too Far
76cm
19cm Perfect Zone
Retina quality — pixels are invisible at this distance.
29cm Good Zone
Sharp image — slightly past the ideal distance but still excellent.
48cm Acceptable Zone
The screen appears smaller — you're starting to miss fine details.
76cm Too Far
You're not using your screen's full resolution. Move closer.
Specifications
| Brand | Apple |
|---|---|
| Model | iPhone 17 Pro Max |
| Screen Size | 6.9" |
| Resolution | 1320×2868 |
| Panel | OLED |
| Refresh Rate | 120 Hz |
| Variable Refresh Rate (VRR) | None |
| Response Time | 1 ms GTG |
| HDR Certification | None |
| SDR Brightness | 1000 nits |
| HDR Peak Brightness | 3000 nits |
| Contrast Ratio | 1:2,000,000 |
| Ports | USB-C |
| Color Gamut | sRGB 100% · DCI-P3 100% |
| Viewing Angle | 178° — Excellent |
| Pixel Density (PPI) | 458 |
| Aspect Ratio | 110:239 |
| Year | 2025 |
Category Ranking
Pixel Density (PPI)
#17 / 28in category
368 PPI458 PPI521 PPI
HDR Peak Brightness
#8 / 28in category
2000 nits3000 nits4500 nits
DCI-P3 Color Gamut
#1 / 28in category
100%100%100%
Refresh Rate120 Hz
StandardHighUltra
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Frequently Asked Questions
What is the optimal viewing distance for the Apple iPhone 17 Pro Max?
The optimal viewing distance for the Apple iPhone 17 Pro Max (6.9") is approximately 19cm. At this distance, individual pixels become invisible to the human eye.
What is the PPI of the Apple iPhone 17 Pro Max?
The Apple iPhone 17 Pro Max has a pixel density of 458 PPI (pixels per inch) with a 1320×2868 resolution on a 6.9" display.
Is the Apple iPhone 17 Pro Max good for mobile use?
With 458 PPI and a 6.9" OLED display, the Apple iPhone 17 Pro Max is excellent for mobile use when viewed from the recommended distance of 19cm.
Methodology & Sources
Formula: Retina distance (cm) = 3438 / PPI. Displayed values are rounded for readability.
Sources: Official manufacturer spec sheets and product pages. Specs are normalized before comparisons.
Last updated:
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