iPhone 17 Pro vs Galaxy S21: Size & Dimensions Compared

The Galaxy S21 is the larger phone, measuring 1.7mm shorter and 0.7mm wider.

DimensioniPhone 17 ProGalaxy S21Difference
Height150mm151.7mmGalaxy S21 +1.7mm
Width71.9mm71.2mmiPhone 17 Pro +0.7mm
Thickness8.75mm7.9mmiPhone 17 Pro +0.8mm
Weight206g169giPhone 17 Pro +37.0g
Screen6.3"6.2"iPhone 17 Pro +0.1"

Visual Size Comparison

HeightGalaxy S21 +1.7mm
iPhone 17 Pro
150mm
Galaxy S21
151.7mm
WidthiPhone 17 Pro +0.7mm
iPhone 17 Pro
71.9mm
Galaxy S21
71.2mm
ThicknessiPhone 17 Pro +0.8mm
iPhone 17 Pro
8.75mm
Galaxy S21
7.9mm

Which is bigger?

The Galaxy S21 is the taller phone at 151.7mm (vs 150mm). It but is 37g heavier.

Upgrading from iPhone 17 Pro to Galaxy S21?

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

Check case compatibility →Shop Galaxy S21 cases →

Accessories for iPhone 17 Pro

🛡️Best iPhone 17 Pro Cases→🔒Rugged Cases for iPhone 17 Pro→✨Clear Cases for iPhone 17 Pro→👛Wallet Cases for iPhone 17 Pro→

Accessories for Galaxy S21

🛡️Best Galaxy S21 Cases→🔒Rugged Cases for Galaxy S21→✨Clear Cases for Galaxy S21→👛Wallet Cases for Galaxy S21→

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Will a iPhone 17 Pro case fit Galaxy S21? →Will a iPhone 17 Pro screen protector fit Galaxy S21? →

Frequently Asked Questions

Is iPhone 17 Pro bigger than Galaxy S21?

No, the Galaxy S21 is 1.7mm taller. The iPhone 17 Pro weighs 206g vs 169g.

Are iPhone 17 Pro and Galaxy S21 the same size?

No, the height differs by 1.7mm, width by 0.7mm, and thickness by 0.8mm.