We knew that the PSP Go was faster than the PSP-3000, but “by how much” was still a subject of speculation. It is not anymore as an FCC filing makes the PSP Go speed official. With a 480Mhz frequency, it is 44% faster than the previous 333Mhz PSP chip.

At first, most developers will prepare certain that their games are compatible with the PSP, so it’s unlikely that they will use the added potential for anything affecting the gameplay. However, it’s not impossible to think that some eye-candy could be added when running on the PSP Go. Physics, particles, lighting or reflections would be high on the list… As the user base grows, the PSP Go could become a platform in itself as Sony will want to push their highest margin product. Sony could plus subsidize Metal Gear Solid Peace Walker to be a “PSP Go only” title for that reason.

Link: FCC filing

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[Source] dhiram