If I asked you in 1993, “What’s a PC?”, you’d probably have pointed to the beige box sitting under your desk at work. In 1999, if I asked you the same question, the odds are good that you’d have shown me a grey box in your den. In 2005, you would probably have shown me a shiny new notebook. But, as I sit here in 2009, I’m finding it difficult to answer this seemingly simple question.
Sitting on my desk, I have four extremely powerful computing devices, each with its own strengths and weaknesses. Let’s decide which of these are personal computers together.
Machine A features four CPU cores, and a host of GPUs and coprocessors. Machine B is more modest, with three CPU cores and a decent GPU. Machine C is even more modest, with a dual-core CPU, but a woefully inadequate GPU. Machine D pushes a lot of its workload onto dedicated processors, but still sports a dedicated GPU.
So, what’s all this powerful hardware? A home-built gaming PC, an Xbox 360, a Lenovo X200s notebook, and an iPhone 3GS.
Continue reading after the jump.