AMD has updated the announcement it made more than a week ago about 65nm dual-core Turion 64 X2 mobile processors with some solid details about the new chip family's speeds and feeds.

Leading the line-up is the 2.3GHz TL-66 - as previously forecast - a 35W part sporting twin 512KB L2 caches. It's joined by the TL-62, TL-60, TL-58 and TL-56, clocked at 2.2GHz, 2GHz, 1.9GHz and 1.8GHz, respectively, all with the same cache sizes as the TL-66, and TDPs of 31W or 35W.

All but the TL-66 are available to buy now, priced from $154 to $354 per processor when ordered in batched of 1000 chips. The TL-66 is due to go on sale toward the end of the month.

AMD's additional announcement comes as arch-rival Intel at long last launched the latest generation of its Centrino notebook platform.