Samsung may have the Galaxy S II on the way to keep its flagship spot occupied, but according to the latest rumors there’ll also be a replacement to the original single-core Galaxy S as well. Connected insider Eldar Murtazin has heard that Samsung is readying the Galaxy S i9001, an overclocked version of the original device.

The Galaxy S i9001’s single-core chip will apparently be running at 1.4GHz, rather than the 1GHz it originally offered. That, Murtazin suggests, will make the i9001 Samsung’s rival to the HTC Pyramid, though we’re expecting the HTC handset to be dual-core.

Exact release dates are unknown, and of course none of this is official. Still, we wouldn’t be surprised if Samsung milked the Galaxy S series’ success a little longer, just as it has done with the recent 4G version.

Update: Samsung Russia has confirmed the Galaxy S Plus i9001, with a 4-inch Super AMOLED display, Android 2.3 Gingerbread, TouchWiz 3.0, 8GB of internal memory, HD video recording, a 1.4GHz processor and HD video recording/playback. It will arrive in Russia at the end of April, priced at 23,990 rubles ($844). [Thanks Kunal!]