Jon Peddie Blogs

Qualcomm’s powerful new HPU the S4

Posted by Jon Peddie on October 7th 2011 | Discuss
Categories: Blogs, Engineering and Development
Tags: gpu qualcomm snapdragon krait simd adreno hexagon dsp s4 processor

Jon Peddie

Initially leveraging a 28nm process from TSMC, Qualcomm has announced its Snapdragon S4 class of processors, of which the first member is the MSM8960 with an Adreno 225 GPU. The new 1.5 GHz processor (S4 will scale up to 2.5GHz) has Qualcomm’s micro-architectural design with four independent, proprietary ARM Cortex A15-class CPU cores, plus a 32-core GPU, plus 128 bit SIMD engine, plus three DSPs, plus a handful of hardwired engines for codecs and other special-purpose functions—basically a five processor+ heterogeneous processor that has an open programming environment, and a fast memory interface and manager. The new CPU core is compatible…