No. Because the game never needed 6GB to begin with, running the Steam006 fix results in identical performance to a user with 16GB of RAM. There is no stuttering, no texture pop-in, and no memory leak introduced by the patch.

The became one of the most downloaded unofficial patches in Steam history.

The process typically looked like this:

Ram problem fix? :: Call of Duty: Ghosts General Discussions

Call of Duty: Ghosts had a notorious problem at launch where it could crash with an error about not having enough RAM (even on systems with 8GB+). The real causes were:

Have you used the Steam006 RAM fix? Still encountering errors? The community at r/CoDGhosts and PCGamingWiki maintains updated mirrors and troubleshooting guides.

If Windows Defender blocks it:

The initial Steam006 fix primarily focused on the Single Player campaign. Some versions required additional tweaks or different tools like the Master131 RAM Fix to enable Multiplayer and Extinction modes without a 6GB setup.

Modifying game executables can trigger Valve Anti-Cheat (VAC) bans. While many users reported success in 2013, using this tool is done at your own risk. Official Patch Exists:

This article covers the history of the issue, why the fix was necessary, how to apply it, and modern alternatives for current hardware.

In short: No. Digital Foundry and various modders discovered that Ghosts rarely used more than 1.8GB to 2.2GB of RAM during gameplay. The 6GB requirement was widely believed to be a lazy porting practice. Developers at Infinity Ward reportedly set the limit high to avoid optimizing memory streaming for last-gen consoles (Xbox 360/PS3, which had 512MB of RAM). Instead of fixing their texture streaming, they slapped a high RAM ceiling on the PC version.