It appears Sony's rumored PS4K console is codenamed the PS4K NEO with CPU, GPU and RAM specifications surfacing via GiantBomb, alongside confirmation from Eurogamer (see below) this afternoon. Here are some new spec leaks about PS 4.5 aka NEO
Spec Original PS4 PS4K NEO CPU 8 Jaguar Cores at 1.6 GHz 8 Jaguar Cores at 2.1 GHz GPU AMD GCN, 18 CUs at 800 MHz Improved AMD GCN, 36 CUs at 911 MHz Memory 8 GB GDDR5, 176 GB/s 8 GB GDDR5, 218 GB/s According to Eurogamer, Sony's PlayStation 4 will offer both (named internally) 'Base' and 'NEO' Modes.