Nvidia Crams Tegra 3 Mobile Chip Chock Full of Cores
Nvidia (Nasdaq: NVDA) on Wednesday launched the quad-core mobile Nvidia Tegra 3 processor.
Formerly nicknamed "Project Kal-El," the Tegra 3 has four main cores and a fifth companion core.
It distributes the workload among these using patent-pending variable symmetric multiprocessing (vSMP) technology.
The Tegra 3 includes a 12-core Nvidia GeForce graphics processing unit (GPU).
It's aimed at mobile gamers and provides high-speed access to the Web as well as swift application execution and multitasking.
"Tegra 3 enables great experiences for consumers," Sridhar Ramaswamy, senior technical marketing manager for Tegra at Nvidia, told TechNewsWorld.
The Tegra 3's Guts
The Tegra 3 provides up to three times the graphics performance of the Tegra 2 and consumes up to 61 percent less power, Nvidia claims.
This allows up to 12 hours of battery life for high-definition video playback.
The Tegra 3's four main cores are ARM (Nasdaq: ARMHY) Cortex A9 processors designed for high-performance work such as Web browsing, gaming and multitasking. The fifth CPU is turned off when they are working.
The main cores consume less power than dual-core processors, Nvidia said.
When the device is being used for light tasks such as playing music or video or updating background data, vSMP shuts down the main cores and shifts the work to the fifth CPU.
The Tegra 3 comes with new video engines with support for 1080p high-profile video at 40 Mbps.
Gunning for the Gamers
The Tegra 3 processor offers full game-controller support.
It leverages Nvidia's 3D vision technology and automatically converts OpenGL applications to stereo 3D so consumers can experience 3D on big-screen 3D TV sets.
"Expect to see higher resolution displays, 3D stereoscopic cameras and autostereoscopic displays, higher-quality cameras of up to 32 MP, full 1080p high bit-rate, high-profile Blu-Ray quality, and 3D HDMI 1.4a video output, with up to 2 GB of system memory in some devices," Ramaswamy said.
"The use of an ARM-designed Nvidia chip that provides both long battery life and high performance when needed will appeal to users that need all-day performance but still want to play graphic-intensive games," Chris Hazelton, a research director at the 451 Group, told TechNewsWorld in a previous interview.
Nvidia expects 40 Tegra 3 games to be available by the end of 2011. More than 15 Tegra 3 games are under development for Tegra Zone, the company's free Android Market app.
By shutting the Tegra 3's four main cores down completely and shunting lighter tasks to fifth companion core running at a lower clock speed, vSMP offers "excellent multitasking in high-capacity use, while [it's] extremely power-efficient for simple tasks," Nvidia's Ramaswamy said.
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