Why most 360 and PS3 multi-plat games are the same?

[The Anarchyz]

Developing from the PS3 to the 360 is easier for 2 reasons:

1. The CPUS:

Xbox360 uses the Xenon, made by IBM, based in the IBM Power PC, with three symmetrical cores, each two way SMT-capable and clocked at 3.2 GHz
PS3 uses the Cell, made by IBM, Toshiba and Sony, also based in parts on the Power PC but more complex and with high budget, uses one PPE and 8 SPES (The PS3 have 6 SPEs open for devs), all linked by an Element Interconnect Bus and clocked at 3.2 GHz

I can enter deeply in the architecture and developer area, but that's not the point, you only have to know that the Cell is a really complex architecture and relatively new to devs and the Xenon is an architecture more known by devs, besides, a code divided in 3 cores passing it to 1PPE and 6SPEs is more complicated that having code in 1PPE and 6SPEs and passing it to 3 cores...

2. Support:

Microsoft made a strategy to game developers, just like they did with .NET for software developers, they included massive support, Sony started cold with this, and it's been advancing gradually, for example, the UE3 was weak for PS3 until Sony made a deal with Epic to optimize the engine... Now that Sony is doing this, it's becoming clearer to devs which console is more convenient to use as lead...

That's why it's better to use the PS3 as the lead console...