Cesium is a well-known competitive solution of VirtualGeo Web, designed to display high-resolution mapping data in a Web page.
Both offer a similar set of Web features, but looking “under the hood”, the approach is very different.
VirtualGeo is based on a native engine developed in C++, which is translated into Web Assembly, see here for more details.
CesiumJS is based on a pure Javascript engine. Thanks to our 3DTIles support, it is now quite easy to compare both approaches and engines in terms of memory and CPU consumption on a same dataset.
As the base dataset for our comparison, we have chosen to use the highly detailed city of Strasbourg
See the result below :