Nvidia tegra 3 quad-core 1.3ghz surface July 8, 2019 16 32 64 128 Microsoft surface nvidia tegra 4 Nvidia tegra 3 quad-core 1.3ghz Nvidia tegra 3 quad core cpu 1.30 ghz Nvidia tegra 3 quad core Nvidia(r) tegra(r) 3 quad-core processor