A roadmap of Nvidia's next chip, the Tegra 4, could also be a blueprint for the internals of futureAndroid and Windows tablets.
If VR-ZONE's (in this case, VR-ZONE's Chinese-language site) sources speak the truth, then we've got plenty of tablets packing quad-core A15 chips to look forward to.
What's an A15 you ask? That's the next chip design -- officially the Cortex A15 -- from tablet and smartphone chip design powerhouse ARM.
Think of it this way: Four A15s are faster than the four Nvidia Tegra 3 Cortex-A9s now found in the Asus Transformer Prime. And the Transformer Prime is already pretty fast for a tablet. (Technically, Nvidia calls its quad-core Tegra 4-Plus-1 because there's a fifth battery-life-friendly core for less-demanding tasks.)
But getting back to tablets. Since Nvidia is aiming at both Android and Windows 8, that means we can expect tablets and/or hybrids in both camps with this silicon.
Starting in the first quarter of 2013, the 1.8GHz Tegra 4 should make an appearance in a "10-inch" device (read: tablet), according to VR-ZONE. Other Tegra 4 versions will appear in the third quarter of 2013.
It gets more curious for the future SP3X chip. That's listed as LTE (4G) capable. It's also spec'd as a chip with an older ARM A9 design. We'll have to wait for more deets from Nvidia before we can even begin to speculate about this one
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