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Nvidia Tegra 4

NVIDIA 4

The NVIDIA Tegra 4 is an ARM-based SoC (System on a Chip) designed mainly for Android and Windows RT tablets and smartphones. It was formally announced on January 2013 and contains a quad-core CPU based on the Cortex-A15 architecture, a 72 core GeForce graphics card, a video engine, and a dual-channel DDR3L 1833 memory controller. It is manufactured at TSMC in 28nm HPL (low power with High-K + metal gates optimized for low leakage).

The so-called 4-plus-1 processor cores are in fact five ARM Cortex-A15 CPU cores where the fifth core is used largely for power-saving purposes. As with the Tegra 3, this feature will not work with Windows RT as the four central cores are always active. The cores can be clocked up to 1.9 GHz (depending on the model, 1.8 GHz for T40S) and Nvidia claims performance levels above that of current high-end SoCs like the Apple A6, quad-core Krait or Exynos A15 dual-core.

The integrated GeForce ULP graphics card (benchmarks) offers 72 cores that are still divided into distinct pixel and vertex shaders (no unified CUDA cores). Even so, the high number of cores should provide 6x the performance of a Tegra 3 and 1.6x the Apple A6 in GLBenchmark 2.5 according to Nvidia.

Furthermore, the video engine has been enhanced and now supports 1440p VP8 and H.264 HP encoding and decoding. Some models will support USB 3.0 while all are expected to support e.MMC 4.5.

Power consumption should be in the same ballpark as the Tegra 3 chip according to Nvidia. PRISM 2 color management can help save power by lowering display brightness without sacrificing viewability. Furthermore, the 28nm process allows for less power consumption overall.

The models T40S and T40K are intended for superphones, tablets, and clamshells, whereas the AP40 and AP43 are intended for mainstream smartphones. Differences in maximum clock speeds and connectivity features (such as USB 3.0) are expected.

SeriesNVIDIA Tegra
CodenameWayne (Cortex A15)
Clock Rate1800 - 1900 MHz
Number of Cores / Threads4 / 4
Manufacturing Technology28 nm
Die Size~80-85 mm2
GPUNVIDIA GeForce Tegra 4
ArchitectureARM
Announcement Date01/08/2013
Product Link (external)NVIDIA Tegra 4

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* Smaller numbers mean a higher performance

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Reviews for the NVIDIA Tegra 4 processor

Advent Vega Tegra Note 7 (NVIDIA GeForce Tegra 4, 7.00")
» Advent Vega Tegra Note 7 - External Review

Asus Transformer Pad TF701T (NVIDIA GeForce Tegra 4, 10.10")
» Review Asus Transformer Pad TF701T Tablet - Review
» Asus Transformer Pad TF701T - External Review

Gigabyte Tegra Note 7 (NVIDIA GeForce Tegra 4, 7.00")
» Gigabyte Tegra Note 7 - External Review

Gigaset QV1030 (NVIDIA GeForce Tegra 4, 10.10")
» Gigaset QV1030 - External Review

HP Slate 8 Pro (NVIDIA GeForce Tegra 4, 8.00")
» HP Slate 8 Pro - External Review

HP Slate 8 Pro 7600eg (NVIDIA GeForce Tegra 4, 8.00")
» Review HP Slate 8 Pro 7600eg Tablet - Review

HP SlateBook 14-p000nf (NVIDIA GeForce ULP (Tegra 3), 14.00")
» HP SlateBook 14-p000nf - External Review

HP SlateBook 14-p010nr (NVIDIA GeForce Tegra 4, 14.00")
» HP SlateBook 14-p010nr - External Review

HP SlateBook x2 (NVIDIA GeForce Tegra 4, 10.10")
» Review HP SlateBook x2 10-h010nr Tablet - Review
» HP SlateBook x2 - External Review

Microsoft Surface 2 (NVIDIA GeForce Tegra 4, 10.60")
» Review Microsoft Surface 2 Tablet - Review
» Microsoft Surface 2 - External Review

NVIDIA Note 7 (NVIDIA GeForce Tegra 4, 7.00")
» Review Nvidia Tegra Note 7 Tablet - Review
» NVIDIA Note 7 - External Review

NVIDIA Shield (NVIDIA GeForce Tegra 4, 5.00")
» Review NVIDIA Shield Portable Handheld - Review
» NVIDIA Shield - External Review

Toshiba eXcite Pro AT10LE-A-108 (NVIDIA GeForce Tegra 4, 10.10")
» Review Toshiba Excite Pro AT10LE-A-108 Tablet - Review
» Toshiba eXcite Pro AT10LE-A-108 - External Review

Toshiba Excite Write AT10PE-A-105 (NVIDIA GeForce Tegra 4, 10.10")
» Toshiba Excite Write AT10PE-A-105 - External Review

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Other CPUs of the series Tegra

» Nvidia Tegra X1
   8x 2 GHz
» Nvidia Tegra K1 (Denver)
   2x 2.3 GHz
» Nvidia Tegra K1
   4x 2.3 GHz
» Nvidia Tegra 4
   4x 1.8 GHz
» NVIDIA Tegra 3
   4x 1.2 GHz - 1.3 GHz
» Nvidia Tegra 2 (250)
   2x 1 GHz

Surrounding CPUs

+ Mediatek Helio P23 MT6763T
   8x 2.3 GHz - 2.5 GHz
+ Mediatek MT6595
   8x 2.2 GHz
» Nvidia Tegra 4
   4x 1.8 GHz
- Intel Atom Z3680
   2x 1.33 GHz - 2 GHz
- Intel Atom Z3680D
   2x 1.33 GHz - 2 GHz
- Mediatek MT6595M
   8x 2 GHz
- Qualcomm Snapdragon 625
   8x 2 GHz
> Notebook / Laptop Reviews and News > Benchmarks / Tech > Notebook Processors > NVIDIA Tegra 4 SoC
Klaus Hinum (Update: 2013-01- 7)