Skip to content

iPhone SE (2nd gen) vs iPhone 17: Size & Dimensions Compared

The iPhone 17 is the larger phone, measuring 11.2mm shorter and 4.2mm narrower.

Visual Size Overlay

iPhone SE (2nd gen)iPhone 17
138.4mm149.6mm-11.2mm67.3mm71.5mm-4.2mm10mm
Height Δ
-11.2mm
Width Δ
-4.2mm
Thickness Δ
-0.7mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

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

DimensioniPhone SE (2nd gen)iPhone 17Difference
Height138.4mm149.6mmiPhone 17 +11.2mm (taller)
Width67.3mm71.5mmiPhone 17 +4.2mm (wider)
Thickness7.3mm7.95mmiPhone 17 +0.7mm (thicker)
Weight148g177giPhone 17 +29.0g (heavier)
Screen4.7"6.3"iPhone 17 +1.6" (larger)

Visual Size Comparison

HeightiPhone 17 +11.2mm
iPhone SE (2nd gen)
138.4mm
iPhone 17
149.6mm
WidthiPhone 17 +4.2mm
iPhone SE (2nd gen)
67.3mm
iPhone 17
71.5mm
ThicknessiPhone 17 +0.7mm
iPhone SE (2nd gen)
7.3mm
iPhone 17
7.95mm

Button & Port Layout

Which is bigger?

The iPhone 17 is the taller phone at 149.6mm (vs 138.4mm). It is also 29g heavier.

Wireless Charging & MagSafe Compatibility

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

  • Your MagSafe charger will charge the iPhone SE (2nd gen) via Qi, but it won't magnetically snap on.
  • Only the iPhone 17 has built-in magnets for MagSafe accessories. The iPhone SE (2nd gen) needs a magnetic case or ring adapter.
SpeciPhone SE (2nd gen)iPhone 17
Wireless Charging7.5W25W
Qi VersionQiQi2
MagSafeNoGen 2
Built-in MagnetsNoYes
Magnet Ringunknownclosed circle

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 SE (2nd gen) to iPhone 17?

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 SE (2nd gen) bigger than iPhone 17?

No, the iPhone 17 is 11.2mm taller. The iPhone SE (2nd gen) weighs 148g vs 177g.

Are iPhone SE (2nd gen) and iPhone 17 the same size?

No, the height differs by 11.2mm, width by 4.2mm, and thickness by 0.7mm.