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iPhone 17 vs iPhone 11 Pro Max: Size & Dimensions Compared

The iPhone 11 Pro Max is the larger phone, measuring 8.4mm shorter and 6.3mm narrower.

Visual Size Overlay

iPhone 17iPhone 11 Pro Max
149.6mm158mm-8.4mm71.5mm77.8mm-6.3mm10mm
Height Δ
-8.4mm
Width Δ
-6.3mm
Thickness Δ
-0.1mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Edge types differ (curved vs rounded) — screen protector won't adhere properly.

DimensioniPhone 17iPhone 11 Pro MaxDifference
Height149.6mm158mmiPhone 11 Pro Max +8.4mm (taller)
Width71.5mm77.8mmiPhone 11 Pro Max +6.3mm (wider)
Thickness7.95mm8.1mmiPhone 11 Pro Max +0.1mm (thicker)
Weight177g226giPhone 11 Pro Max +49.0g (heavier)
Screen6.3"6.5"iPhone 11 Pro Max +0.2" (larger)

Visual Size Comparison

HeightiPhone 11 Pro Max +8.4mm
iPhone 17
149.6mm
iPhone 11 Pro Max
158mm
WidthiPhone 11 Pro Max +6.3mm
iPhone 17
71.5mm
iPhone 11 Pro Max
77.8mm
ThicknessiPhone 11 Pro Max +0.1mm
iPhone 17
7.95mm
iPhone 11 Pro Max
8.1mm

Button & Port Layout

Which is bigger?

The iPhone 11 Pro Max is the taller phone at 158mm (vs 149.6mm). It is also 49g heavier.

Wireless Charging & MagSafe Compatibility

Wireless chargers work with both phones, but magnetic snap varies.

  • Your MagSafe charger will charge the iPhone 11 Pro Max via Qi, but it won't magnetically snap on.
  • Only the iPhone 17 has built-in magnets for MagSafe accessories. The iPhone 11 Pro Max needs a magnetic case or ring adapter.
SpeciPhone 17iPhone 11 Pro Max
Wireless Charging25W7.5W
Qi VersionQi2Qi
MagSafeGen 2No
Built-in MagnetsYesNo
Magnet Ringclosed circleunknown

MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.

Upgrading from iPhone 17 to iPhone 11 Pro Max?

Different sizes mean your old case probably won't fit. You'll need a new one.

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Frequently Asked Questions

Is iPhone 17 bigger than iPhone 11 Pro Max?

No, the iPhone 11 Pro Max is 8.4mm taller. The iPhone 17 weighs 177g vs 226g.

Are iPhone 17 and iPhone 11 Pro Max the same size?

No, the height differs by 8.4mm, width by 6.3mm, and thickness by 0.1mm.