Each and every PlayStation 3 console that Sony sells is losing the company a whopping £162. While end users will benefit from "supercomputing performance" at the price of a cheap PC, according to research company iSuppli, Sony can only hope to make up its profits on the sale of PlayStation 3 games titles.

Console makers often sell their hardware at a loss with the hope of profiting from the games that run on them. But Sony's loss on each PlayStation 3 will be unusually deep, according to iSuppli's estimates released today.

The combined materials and manufacturing costs for each device come to $806 (£426) for the model with a 20GB hard drive, excluding the cost of the controller, cables and packaging, iSuppli said.

With a suggested retail price of $499 (£264), that would mean Sony is taking a loss of $306 (£162) on each console it sells. The differential for the 60GB model is less, with the cost exceeding the price tag by $241 (£127).

By comparison, the materials and manufacturing costs for the HDD version of Microsoft's rival device, the Xbox 360 are $323 (£171), iSuppli estimated. That's less than the suggested retail price of $399 (£211).

"It's common for video-game console makers to lose money on hardware, and make up for the loss via video game-title sales. Still, the size of Sony's loss per unit is remarkable, even for the video-game console business," iSuppli said.

Most of the cost comes from the PlayStation 3 console's processing power. The multi-core cell processor alone, which was codesigned by Sony, Toshiba and IBM, accounts for about 10 percent of the cost of each machine, iSuppli said.

The research company highlighted Sony's use of dual graphics chips from nVidia and Toshiba - and its use of four 512Mbit DRAM chips from Samsung. Sony's motherboard probably costs the company $500 (£264) in total, compared to $204 (£108)for the Xbox 360, iSuppli said.

This is all good news for customers, who get all that computing power for a relative bargain. iSuppli called the PlayStation 3 an "engineering masterpiece," with a motherboard that looks more like that of an enterprise server or network switch than a games console.

The console provides "more processing power and capability than any consumer electronics device in history", iSuppli said.

Costs haven't been the only component headache for Sony. Because of a shortage of some parts the company hasn't been able to produce as many consoles as it wanted to. As a result, while the console will be shipping in Japan and North America this week, it's not expected to go on sale in Europe, Australia and some other regions before March 2007.