PS3 came out 17 years ago. The console was not able to achieve such high sales figures as its predecessor, but in many respects it became revolutionary.
It was the first console to support Blu-ray, with extensive Internet capabilities and the Cell Broadband Engine. According to one report, the development of the processor cost Sony $1.7 billion.
This is a huge investment, considering that the PS3 was far from Sony's best-selling console, and the Cell architecture didn't do too well. Processor developed by Sony, IBM and Toshiba.
Companies hoped to use Cell for a variety of devices, including TVs, cameras and more. Despite the huge investment, the Cell processor did not achieve this goal.
It was also the main reason for the PS3's $600 starting price. But it was too difficult to use, making the Xbox 360 the preferred device for third-party teams.
If you compare this investment to the typical AMD-based APU used in modern consoles, then Sony's $1.7 billion investment is likely to be several times higher.
The current APUs used in the PS5 belong to the Ryzen processor family and have many common to their PC counterparts. This avoids the research and development costs associated with creating new technology.
Over time, the losses have been reduced as the PS3 has become cheaper to manufacture and features such as backwards compatibility with PS2, has been dropped from future models.