Tegra 2

Tegra 2[edit] The second generation Tegra SoC has a dual-core ARM Cortex-A9 CPU (lacking ARM's advanced SIMD extension—NEON), an ultra low power (ULP) GeForce GPU with 4 pixel shaders + 4 vertex shaders, [14] a 32-bit single-channel memory controller with either LPDDR2-600 or DDR2-667 memory, a 32KB/32KB L1 cache per core and a shared 1MB L2 cache. [15] There is also a version of the SoC supporting 3D displays; this SoC uses a higher clocked CPU and GPU. Unfortunately the video decoder has been unchanged since the original Tegra which does not provide good HD playback and has poor format support. The video decoder is only capable of decoding Baseline profile HD format which is obsolete and was never used to encode HD video for the web. Tests of even YouTube HD videos show that Tegra 2 based tablets cannot decode most YouTube HD videos smoothly without highly optimized software. Common features: Dual-core ARM Cortex-A9 CPU with ARMv7 instruction set 8-core GeForce ULP GPU (4 pixel shaders, 4 vertex shaders) [16] 40 nm semiconductor technology Model number CPU frequen cy GPU frequen cy RAM Availabi lity Utilizing devices Tegra 250 AP20H (Ventana) 1 GHz 300 MHz 32-bit single- channel 300 MHz LPDDR2 (2.4 GB/se c) or 333 MHz DDR2 (2.66 GB/s ec) Q1 2010 Motorola Atrix 4G, Motorola Droid X2, Motorola Photon, LG Optimus 2X / LG Optimus Dual P990 / Optimus 2x SU660 (?), Samsung Galaxy R, Samsung Captivate Glide, ZTE Mimosa X, Micromax Superfone A85, T- Mobile G2X P999, Acer Iconia Tab A200 and A500, LG Optimus

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Transcript of Tegra 2

Tegra 2[edit]

The second generation Tegra SoC has a dual-core ARM Cortex-A9 CPU (lacking ARM's advanced SIMD extension—NEON), an ultra low power (ULP) GeForce GPU with 4 pixel shaders + 4 vertex shaders,[14] a 32-bit single-channel memory controller with either LPDDR2-600 or DDR2-667 memory, a 32KB/32KB L1 cache per core and a shared 1MB L2 cache.[15] There is also a version of the SoC supporting 3D displays; this SoC uses a higher clocked CPU and GPU. Unfortunately the video decoder has been unchanged since the original Tegra which does not provide good HD playback and has poor format support. The video decoder is only capable of decoding Baseline profile HD format which is obsolete and was never used to encode HD video for the web. Tests of even YouTube HD videos show that Tegra 2 based tablets cannot decode most YouTube HD videos smoothly without highly optimized software.

Common features:

Dual-core ARM Cortex-A9 CPU with ARMv7 instruction set 8-core GeForce ULP GPU (4 pixel shaders, 4 vertex shaders)[16]

40 nm semiconductor technology

Model numberCPU

frequencyGPU

frequencyRAM Availability Utilizing devices

Tegra 250 AP20H (Ventana)

1 GHz

300 MHz

32-bit single-channel

300 MHz LPDDR2

(2.4 GB/sec) or 333 MHz