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iPhone 12 vs iPhone 15 Pro: Size & Dimensions Compared

The iPhone 12 is the larger phone, measuring 0.1mm taller and 0.9mm wider.

Visual Size Overlay

iPhone 12iPhone 15 Pro
146.7mm146.6mm+0.1mm71.5mm70.6mm+0.9mm10mm
Height Δ
+0.1mm
Width Δ
+0.9mm
Thickness Δ
-0.8mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorMay Fit

Same screen size (6.1") but body width differs by 0.9mm — verify bezel alignment before buying.

DimensioniPhone 12iPhone 15 ProDifference
Height146.7mm146.6mmiPhone 15 Pro -0.1mm (shorter)
Width71.5mm70.6mmiPhone 15 Pro -0.9mm (narrower)
Thickness7.4mm8.25mmiPhone 15 Pro +0.8mm (thicker)
Weight164g187giPhone 15 Pro +23.0g (heavier)
Screen6.1"6.1"Same

Visual Size Comparison

HeightiPhone 12 +0.1mm
iPhone 12
146.7mm
iPhone 15 Pro
146.6mm
WidthiPhone 12 +0.9mm
iPhone 12
71.5mm
iPhone 15 Pro
70.6mm
ThicknessiPhone 15 Pro +0.8mm
iPhone 12
7.4mm
iPhone 15 Pro
8.25mm

Button & Port Layout

Which is bigger?

The iPhone 12 is the taller phone at 146.7mm (vs 146.6mm). It but is 23g lighter.

Wireless Charging & MagSafe Compatibility

Wireless chargers and magnetic accessories work with both phones.

  • Your MagSafe charger will work with both devices.
  • Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
SpeciPhone 12iPhone 15 Pro
Wireless Charging15W15W
Qi VersionQiQi
MagSafeGen 1Gen 1
Built-in MagnetsYesYes
Magnet Ringclosed circleclosed 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 12 to iPhone 15 Pro?

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

Accessories for iPhone 12

Accessories for iPhone 15 Pro

Apple

Apple iPhone 15 Pro FineWoven Case with MagSafe

$59.00

View on Amazon

Spigen

Spigen Tough Armor MagFit for iPhone 15 Pro

$19.99

View on Amazon

TORRAS

TORRAS Slim Fit for iPhone 15 Pro

$17.99

View on Amazon

As an Amazon Associate, WillItSnap earns from qualifying purchases.

Frequently Asked Questions

Is iPhone 12 bigger than iPhone 15 Pro?

Yes, the iPhone 12 is 0.1mm taller and 0.9mm wider. The iPhone 12 weighs 164g vs 187g.

Are iPhone 12 and iPhone 15 Pro the same size?

No, the height differs by 0.1mm, width by 0.9mm, and thickness by 0.8mm.