The Samsung Galaxy S4, which is most likely what the Galaxy S3’s successor will be called, will be unveiled at MWC 2013 according to some, although others would deny that on their official Samsung Twitter account.

But rumors and denials are part of our day-to-day tech news-reporting life, so we’ll just move on to the next bit of speculation regarding the Galaxy S4 because Android and Me has a very interesting report today.

Samsung is apparently already testing a Galaxy S3 successor that will be powered by a “new Cortex-A15 processor.” Naturally, we’d expect Samsung to deny such reports the first chance it gets, but meanwhile let’s focus on the Samsung TE4, as it was spotted by Rightware.

According to the publication, and the screenshot above, the TE4 is a future Android device that will sport a 1280 x 752 resolution display, a dual-core 1.7GHz Cortex-A15 processor and a Mali-T604 GPU – most likely the Exynos 5 SoC that Samsung unveiled earlier this year. In fact, here’s what that new Mali-T604 GPU can do:

We’re also reminded that Samsung said “several times” it would be the first to offer a Cortex-A15-based chip, and the TE4 seems to be one of the first devices to pack such a chip.

There’s no way of telling whether the TE4 is the Galaxy S4, but what other high-end device would Samsung be working on if not next-year’s flagship handset?

We’ll just put a pin in what looks like the first unofficial spotting on the Galaxy S4 for now, and come back to the Galaxy S4 rumors at some point in the future, once they get a bit more traction.

Meanwhile, let’s start the speculation in the comments section below! What do you want to see in the future Galaxy S generation?

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