Raspberry Pi GPU doubles iPhone 4S performanceRaspberry Pi GPU doubles iPhone 4S performance Incredible gaming potential for $25 open source computer. Raspberry Pi - the $25 credit-card sized computer - features an advanced graphics core that outperforms the GPU in iPhone 4S by a factor of two to one "across a range of content", according to claims made by the manufacturer in a new Digital Foundry interview published today on GamesIndustry.bi
