7NVIDIA officially unveils Tegra 4: offers quad-core Cortex A15, 72 GPU cores, LTE supportBy B. Molen, 01.06.2013
NVIDIA Tegra 4 processor details leaked: 4-plus-1 cores, 28nm, six times the power of Tegra 3By M. Smith, 12.18.2012
NVIDIA officially brands Tegra 3's five-core quad-core architecture as 4-PLUS-1By S. Buckley, 02.23.2012
