600mhz or 700mhz PowerPC G3
100MHz system bus
128 or 256MB RAM
20GB or 30GB HD
ATI Mobility Radeon with 16MB or RAM
Apple's Online Store also updated.
The new iBook runs up to 35 percent faster than previous models in CPU performance tests such as encoding a song from an audio CD into an MP3 file using iTunes. iBook also now features a new video-out port that supports VGA output, as well as S-video and composite video with optional adapter.
Note: these new iBooks should be able to run Quartz Extreme (only 16mb VRAM is required). They also appear to utilize new (Sahara?) G3 processors (with 512k L2 cache)
IBM 750fx G3 PDF - 512k L2 cache G3. 600-1ghz speeds.
Link submitted by D. Ricci