Intel mentioned many times that there will be a dual core Atom and here it is! It looks like another Kentsfield/Yorkfield, one PCB with two dies. This kind of design is not handsome at all but can lower production cost effectively. The dual core Atom(Formal name: Atom 330) also already have been benchmarked with Sandra 2009:

Processor Arithmetic Test

Intel Atom N270 1.6GHz – 8291 kpixels/s
Intel Atom 330 1.6GHz Dual Core – 16920 kpixels/s
Intel Core 2 Duo U7700 1.3GHz – 24742 kpixels/s

Memory Bandwidth Test

Intel Atom N270 1.6GHz – 3.54 GB/s
Intel Atom 330 1.6GHz Dual Core – 7.18 GB/s
Intel Core 2 Duo U7700 1.3GHz – 9.53 GB/s

Atom 330 looks really great….making we wondering its price. you can find more test numbers here.

Pic via: Engadget