Opterons with reduced power consumption

Company AMD started supplying their resellers with new Opteron processors manufactured with 90nm technology. Like at their Athlon 64 dropped power consumption from 89W to 67W, so they can be easier cooled.
Simultaneously Opteron obtained 1MB cache (A64 have only 512 KB). Currently are being sold with this new core those models: 146, 246, 846 and 248.