Named after Tödi in the west part of the Glarus Alps, elevation 3614m, this supercomputer is a Cray XK7.

Tödi is the first GPU/CPU hybrid supercomputing system with high scalability at CSCS, designed to run data parallel and computationally intensive applications.

It features 272 nodes, each one equipped with 16-core AMD Opteron CPU, 32 GB DDR3 memory and one NVIDIA Tesla K20X GPU with 6 GB of GDDR5 memory for a total of 4352 cores and 272 GPUs.