Interesting point. I know the G4 hardly outperformed the G3 at the same clock speed unless the software was specifically written to take advantage of the G4 AltiVec engine.
Anyway, this sounds like a question to be asking the guy at BareFeats.com On 1/27/04 12:37 PM, "Jim" <[EMAIL PROTECTED]> wrote: > Kochkodin <[EMAIL PROTECTED]> writes: >> VERRRY INTERESTING!!!! FYI... >> The Mac Channel >> >> ����IBM claims massive power cut for 90nm G5 >> ����Good news for AMD - but not Intel >> �������� http://www.theregister.co.uk/content/39/35057.html >> >> "The 970FX, meanwhile, consumes a mere 12.3W at 1.4GHz, paving the way >> for PowerBook G5s. That figure is comparable to the 7.5W a 1GHz >> consumption of the G4-class Motorola MPC7447 that drives the current >> PowerBook G4s." > > Ok, what I want to know is this: > How much faster, roughly, is a G5, compared to a G3? > > I remember 'back in the day' when we considered that a 68040 at 50MHz > was roughly twice as powerful as a same-speed 68030. The PPC 603e chip > in my Powerbook 1400 was supposedly about twice as powerful as a > same-speed '040. G3's were not quite a doubling of the 603's. But it > seems that after the G3's got established, we lost track of easy > benchmarking comparisons--with some explanation owing to whether you > were using 'native' code programs, etc, and what OS you run. > > When I discovered that it would take about 24 minutes to compress one > minute of digital video into MPEG-2, on my 500MHz G3 Powerbook, I gave > up the idea of creating DVDs from my video collection. [Because 200 > tapes @ 2 hr each @ 24:1 for compression, would take 4.6 years-worth of > 40-hour weeks spent in MPEG compression.] > > But now hardware has evolved. Can anyone tell me how long it takes to > encode a minute of MPEG-2 on a 1.6 GHz G5 tower system? If we're going > to get G5's in laptops, then I would like to know how feasible my video > project has become. If we're going in multiples of 2 for each > generation, from a G3 thru G4 to G5, then for a single G5: > [24min * 500MHz]/[2 * 2 * 1600MHz] = 1.8 minutes. > For a dual 2 GHz, we should be down to about 1:1 parity for compressing > MPEG-2. That would be close to acceptable to me--even if it is a lot > of weekends. > > How close am I? Anyone? > > --Jim. > > > -- > G-Books is sponsored by <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | Refurbished Drives | > -- Check our web site for refurbished PowerBooks | & CDRWs on Sale! | > > Support Low End Mac <http://lowendmac.com/lists/support.html> > > G-Books list info: <http://lowendmac.com/lists/g-books.html> > --> AOL users, remove "mailto:"; > Send list messages to: <mailto:[EMAIL PROTECTED]> > To unsubscribe, email: <mailto:[EMAIL PROTECTED]> > For digest mode, email: <mailto:[EMAIL PROTECTED]> > Subscription questions: <mailto:[EMAIL PROTECTED]> > Archive: <http://www.mail-archive.com/g-books%40mail.maclaunch.com/> > > > > --------------------------------------------------------------- >> The Think Different Store > http://www.ThinkDifferentStore.com > --------------------------------------------------------------- > -- G-Books is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Check our web site for refurbished PowerBooks | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> G-Books list info: <http://lowendmac.com/lists/g-books.html> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/g-books%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
