Skip to content

iPhone 8 Plus vs iPhone 8: Size & Dimensions Compared

The iPhone 8 Plus is the larger phone, measuring 20.0mm taller and 10.8mm wider.

Visual Size Overlay

iPhone 8 PlusiPhone 8
158.4mm138.4mm+20.0mm78.1mm67.3mm+10.8mm10mm
Height Δ
+20.0mm
Width Δ
+10.8mm
Thickness Δ
+0.2mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (5.5" vs 4.7") — protector won't fit.

DimensioniPhone 8 PlusiPhone 8Difference
Height158.4mm138.4mmiPhone 8 -20.0mm (shorter)
Width78.1mm67.3mmiPhone 8 -10.8mm (narrower)
Thickness7.5mm7.3mmiPhone 8 -0.2mm (thinner)
Weight202g148giPhone 8 -54.0g (lighter)
Screen5.5"4.7"iPhone 8 -0.8" (smaller)

Visual Size Comparison

HeightiPhone 8 Plus +20.0mm
iPhone 8 Plus
158.4mm
iPhone 8
138.4mm
WidthiPhone 8 Plus +10.8mm
iPhone 8 Plus
78.1mm
iPhone 8
67.3mm
ThicknessiPhone 8 Plus +0.2mm
iPhone 8 Plus
7.5mm
iPhone 8
7.3mm

Button & Port Layout

Which is bigger?

The iPhone 8 Plus is the taller phone at 158.4mm (vs 138.4mm). It is also 54g heavier.

Wireless Charging & MagSafe Compatibility

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

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
SpeciPhone 8 PlusiPhone 8
Wireless Charging7.5W7.5W
Qi VersionQiQi
MagSafeNoNo
Built-in MagnetsNoNo

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 8 Plus to iPhone 8?

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

As an Amazon Associate, WillItSnap earns from qualifying purchases.

Frequently Asked Questions

Is iPhone 8 Plus bigger than iPhone 8?

Yes, the iPhone 8 Plus is 20.0mm taller and 10.8mm wider. The iPhone 8 Plus weighs 202g vs 148g.

Are iPhone 8 Plus and iPhone 8 the same size?

No, the height differs by 20.0mm, width by 10.8mm, and thickness by 0.2mm.