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Definition: Tegra

A system-on-chip (SoC) family from NVIDIA for smartphones, tablets and other portable devices. Introduced in 2008 and based on ARM CPUs (ARMv7), the Tegra chip includes a low-power NVIDIA GeForce GPU, along with audio, video and camera support. See SoC and mobile platform.

Tegra 2, 3 and 4
Tegra 2 uses dual-core CPUs, and Tegra 3 (2011) was the first quad-core SoC for smartphones. Tegra 4 (2013) added a low-power core that automatically handles background tasks, and Tegra 4 graphics are considerably faster than Tegra 3.

Tegra K1 (2014)
Designed to allow video games to run in low-power mobile devices, the Tegra K1 employs a modified version of the Kepler GPU used in PC graphics. The K1 chip is available in 32-bit and 64-bit models.

Tegra X1 (2015) and X2 (2016)
With eight 64-bit CPU cores and 256 graphics cores (CUDA cores), the X1 was the hardware in Nintendo's Switch console. The X1 uses NVIDIA's Maxwell GPU architecture while Pascal is the GPU in the X2.

The X1-Based Nintendo Switch
Nintento's Switch was powered by the Tegra X1 SoC. When docked, it runs at a higher clock speed.