According to the rumored specs, both are tipped to rely on MediaTek's quad-core Cortex-A7 SoC, include dual-SIM support and run Android 4.2.1 (skinned, of course).

ENGADGET: Lenovo S920 and S820 leak, could pack Android 4.2.1, quad-core CPUs and dual-SIM slots

Having gotten up close and personal with a working P780 (photos after the break), Sina Weibo user Lisancha added that said phone features dual-SIM with dual-standby, a quad-core MediaTek chipset (likely the Cortex-A7-based MT6589) and a launch date set for the second-half of May.

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There aren't many more details to share beyond what the company mentioned at CES, but that doesn't diminish what could be a best-of-all-worlds processor: the automatic switching between four Cortex-A15 and four Cortex-A7 cores should give it a performance edge over many of its peers while reducing power consumption by up to 70 percent.

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