Which one is better, Ericsson or Capgemini?

It depends on if you are interested in going deep into one technology area, or a wide area of technology. Deep but narrow hole, or Wide but shallow one.
Still, am sharing some facts with you, May be after that you will decide it better.
Capgemini offers IT, business consulting and outsourcing services while Ericsson provide Managed services, support services, system.
Capgemini has 40000 workers in India only, while Ericsson has 82500+ employees worldwide.
After Capgemini you have switching options like Accenture, CSC, EDS, Perot Systems, IBM Global, HCL, TCS, Infosys, Wipro, Satyam, Cognizant while after ericsson has options like Microsoft, Motorola, Alcatel, Lucent etc.
 
I think after knowing these facts, you can decide which one is better.