The Xbox Main Processor is a 8 Core CPU custom built by Microsoft, the Graphics Processor is a D3D 11.1 chip with 32 MB embedded memory, the Memory is a 8GB DDR3, the Hard Disk Drive is a built in 500GB, the Optical Drive is a Blu-Ray/DVD combo drive, I/O(also known as input/output) is a USB 3.0, the Communication is an ethernet, 3 802.11n radios(for controller and other device connectivity), and the AV Output is HDMI.
The PS4 Main Processor is a single-chip custom processor and a CPU:low power x86-64 AMD 'Jaguar', 8 cores, the Graphics processor is a GPU: 1.84 TFLOPS, AMD Radeon(tm) Graphic Core Next Engine, teh Memory is a 8 GB GDDR5, the Hard Drive disk is built-in, the Optial Drive is a Blu-Ray/DVD combo drive, the I/O is a Super Speed USB (USB 3.0), the communication has Ethernet( 10BASE-T, 100BASE-TX, 1000BASE-T), IEEE 02.11 b/g/n, Bluethooth 2.1(EDR), and the A/V output is an HDMI, Analog-A/V out, and a Digital output (optical).