Compare GMK Retrocast vs Signature Plastics SA Motorsport Selectric Differences Side by Side

Explore the comprehensive side-by-side comparison of the GMK Retrocast and Signature Plastics SA Motorsport Selectric and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keycap at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Main differences	Released in 2022 Cherry profile ISO, ANSI layout 1.5mm thickness Includes ISO Enter	Released in 2026 SA profile ANSI, ISO-UK, ISO-DE, ISO-Nordic layout Sculpted profile Includes numpad keys Supports 40% layouts Supports ortholinear
Name	Name GMK Retrocast	Name Signature Plastics SA Motorsport Selectric
Release year	Release year 2023	Release year 2026
Profile	Profile Cherry	Profile SA
Sculpted	Sculpted	Sculpted
Material	Material ABS	Material ABS
Layout standard	Layout standard ISO, ANSI	Layout standard ANSI, ISO-UK, ISO-DE, ISO-Nordic
Sub-Legends	Sub-Legends -	Sub-Legends -
Shine through	Shine through	Shine through
Wall thickness	Wall thickness 1.5mm	Wall thickness -
Legend method	Legend method Double-shot	Legend method Double-shot
Pudding style	Pudding style	Pudding style