There's been a few question marks raised by Nvidia's next-gen ION chipset, such as why the performance seems to lag behind the original ION. This was indicated by tests run on the Acer Aspire One 532G -- the first officially announced ION 2 netbook -- during the Mobile World Congress show in Barcelona.
The answer, says news and rumor site Fudzilla , is that Nvidia plans to release two versions of its ION 2 chipset. It's unclear how Nvidia will differentiate the two in terms of marketing and product names, but the slower version will have less shaders than the original -- hence the poorer performance -- while the faster version will sport "a lot more shaders," Fudzilla reports.
As for the above mentioned Acer? That one apparently sports Nvidia's slower ION 2, which certainly explains the puzzling benchmarks. Exactly why Nvidia is planning to release two new IONs, one of which will be gimped, is another mystery altogether.