NVidia launches Tegra 4i processor with LTE modem

NVidia today announced a Tegra 4i System-on-a-chip (SoC) and a "Phoenix" reference platform for inexpensive smart phones and tablets. The Tegra 4i chip uses different ARM core, and has fewer NVIDIA graphics cores than Tegra 4 processor, that was launched earlier this year. On the other hand, the Tegra 4i integrates NVidia i500 LTE modem, and it comes in smaller 12mm x 12mm package, while offering 65% - 78% of Tegra 4 performance.

Tegra 4i incorporates four ARM Cortex-A9 r4 CPU cores, operating at 2.3 GHz. The SoC also has fifth battery saver core, which is activated when maximum performance is not needed. Other chip components include 60 NVIDIA GPU cores, video engine, display controller, image signal processor, computational photography engine, i500 LTE modem, and a memory controller. Display controller on the Tegra 4i supports LCD and HDMI interfaces, with maximum display resolution of 1900x1200 for LCD, and 1080p for HDMI interface. Computational photography engine provides support for "Chimera Computational Photography Architecture", which was also available on Tegra 4 SoC. This technology implements several always-on high dynamic range capabilities, such as live HDR preview, instant HDR photos, HDR video, and HDR panorama, just to name a few. Memory controller supports up to 2 GB of LPDDR3 memory. Similar to Tegra 4, the 4i is manufactured on 28nm technology.

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