What is Nvidia's Tegra?Will it takeover CPU,GPU...

What is Tegra?

To clear out some confusion, let us first stress that Tegra is not a CPU. Neither is a GPU or a combination of both with one part dominating the other.

Instead, Tegra is a “system-on-a-chip” (SoC) or “computer-on-a-chip” (CoC). Tegra consists of an ARM11 CPU core, a GoForce (renamed into GeForce ULV) GPU, an image processor (digital camera support), a HD video processor (PureVideo for handhelds), memory (NAND Flash, Mobile DDR), a northbridge (memory controller, display output, HDMI+HDCP, security engine) and a southbridge (USB OTG, UART, external memory card SPI SDIO, etc).

In short, Tegra includes the whole shebang: CPU, graphics and what you traditionally find on a motherboard are squeezed onto a single silicon die. What is particularly impressive about this device is the fact that this chip measures just 144 mm2, which is smaller than a dime and about one quarter the size of the upcoming GeForce graphics chip, which measures 576 mm2, according to our sources.

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