Update:

> http://media.freescale.com/phoenix.zhtml?c=196520&p=irol-newsArticle&ID=1916610 [...]
> QorIQ T4080
> T4080 is pin compatible with T4240/T4160

QorIQ T4xx1 (T4241, T4161, T4081) released as pin-compatible low-power variants of T4xx0:

http://www.nxp.com/docs/pcn_attachments/17192_introducing_low_power_T4xx1_PB.pdf (presentation PDF)
http://www.nxp.com/video/t4-family-low-power-options:LOW-POWER-T4 (presentation video, direct link)
http://www.nxp.com/files/shared/doc/pcn/PCN17192.htm (product bulletin)

Also, low-power variants of T2080 and T2081 with faster memory controller released:

http://www.nxp.com/video/t2-family-low-power-options:LOW-POWER-T2 (presentation video, direct link)