AMD has introduced two new low-power-consumption 64-bit microprocessors, the MT-37 and the MT-40, to its Turion mobile range.

The model names identify two aspects of the processors' performance. The T signifies that they are part of the low power-consumption range of Turion mobile processors (components from the ML series consume more power), while the numbers signify that the processors' computing power is at the top of the range currently on offer. AMD already offers processors with designations from ML-28 to ML-40, and from MT-28 to MT-34.

The MT-37 costs $268 per 1,000 units, and the MT-40, $359. The MT-28 is listed at $159 in the same quantities. They are available worldwide immediately.

Machines containing Turion mobile processors will run 32-bit versions of Windows but also have support for 64-bit applications, AMD said.