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Nintendo 3DS Dimensions: Complete Size Comparison by Model

The Nintendo 3DS family spans several models, each with distinct dimensions that affect portability, comfort, and screen size. Whether you're shopping for a carrying case, comparing screen real estate, or just curious how the models stack up, here's a detailed breakdown of every major 3DS variant's measurements—both closed and open—in millimeters and inches.

Dimensions at a Glance

Model	Closed (mm)	Open (mm)	Closed (in)	Open (in)
Nintendo 3DS (Original)	134 × 74 × 21	134 × 152 × 92	5.3 × 2.9 × 0.8	5.3 × 6.0 × 3.6
Nintendo 3DS XL	160 × 93 × 21	160 × 157 × 97	6.3 × 3.7 × 0.8	6.3 × 6.2 × 3.8
Nintendo 2DS	132 × 114 × 20	N/A (Slate)	5.2 × 4.5 × 0.8	N/A
New Nintendo 3DS	134 × 74 × 21	134 × 152 × 92	5.3 × 2.9 × 0.8	5.3 × 6.0 × 3.6
New Nintendo 3DS XL	160 × 93 × 21	160 × 157 × 97	6.3 × 3.7 × 0.8	6.3 × 6.2 × 3.8

Key Takeaways

XL Models Are Substantially Larger: The 3DS XL and New 3DS XL are roughly 20% wider and taller than their standard counterparts, with screens nearly 90% larger in surface area. They're heavier too, but many players prefer the bigger displays for extended sessions.
The 2DS Breaks the Mold: Unlike every other model, the 2DS uses a flat, non-folding "slate" design. It's wider than a closed 3DS but thinner, and it doesn't open—so there's no "open" dimension. This makes it uniquely durable and child-friendly, though less pocketable.
New Models Match Originals in Size: The New 3DS and New 3DS XL share identical external dimensions with their predecessors. The upgrades (faster CPU, C-stick, ZL/ZR buttons, improved 3D tracking) are internal.

When choosing a model, consider how you'll carry it. The standard 3DS fits easily in a jeans pocket; the XL models usually need a bag or jacket pocket. The 2DS slides into a backpack sleeve but won't fold shut for screen protection.

Nintendo DS