The Xbox One, PS4, and WiiU have different CPUs, RAM, and graphics processors. The Xbox One has an 8 core CPU and 8GB of RAM. The PS4 has an 8 core CPU, 8GB of RAM, and is capable of 4K resolution through HDMI. The WiiU has a tri-core CPU, 2GB of RAM, and can output to 1080p through HDMI or composite cables. Handheld gaming devices like the PSP, Nintendo DS, and Nvidia Shield have varying specs. The PSP has a 333MHz CPU and 4MB of RAM while the DS has weaker CPUs and less RAM. The Shield has a powerful quad core mobile processor and 2GB