Nvidia Tegra 4 to Feature 4 Cortex A15 Cores, 72 Graphics Cores

According to Nvidia Tegra roadmap, the first Tegra 4 (T40) is due in Q1 2013, before T43 & AP40 come out in Q3 2013. Information is still sparse, but somebody posted a leaked slide on Chip Hell which gives a few more details about the upcoming Tegra 4 processors.

Nvidia Tegra 4 Block Diagram

So this is what we currently know about the Tegra T40 processor:

  • CPU – 4x Cortex A15 (Eagle) cores @ 1.8 GHz + a battery saving core (aka companion core).
  • GPU – Geforce GPU with 72 cores providing 20x Tegra 2 performance and 6x Tegra 3’s.
  • Memory – Support for DDR3L, LPDDR2 and LPDDR3
  • Video – 1440p video encoding and decoding with VP8 and H.264 High Profile hardware acceleration
  • Display –  2560×1600 24-bit, 1080p @ 120Hz, 4K displays via DSI and HDMI interfaces.
  • Power – Lower power than previous generations thanks to 28nm HPL process (low power with high-k metal gates). Tegra 4 will also feature a 5th core and PRISM (Pixel Rendering Intensity and Saturation Management) to optimize low power consumption.
  • I/O – USB 3.0, and… ?

Nvidia Tegra 4 will also feature hardware accelerated security for HDCP, secure boot and DRM. Nvidia T40 will be used in high-end tablets, smartphones and clamshell devices. We may know more about the processor, and possibly see some prototypes at CES 2013.

Via: Liliputing and Mobile Geeks

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4 Replies to “Nvidia Tegra 4 to Feature 4 Cortex A15 Cores, 72 Graphics Cores”

  1. @usercard
    It’s not a 64-bit processor. The only announced ARM cores with 64-bit instructions set are Cortex A53 and A57 (armv8).
    Cortex A15 still uses ARMv7 instructions set, maybe with some extensions, I’m not sure about the details.

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