QuasaR posted on Apr 4 2006 at 07:56 AM said:...and by the way, to now no GP2X hasn't reported not to run with 266Mhz with the first core (or the other way round: every GP2X seems to be overclockable to 266Mhz atm), so it seems that it still better than the XGP (beside the OpenGL-support, but we'll have to wait and see...)
Claym99 posted on Apr 4 2006 at 12:38 PM said:If we can overclock the GP2X, don't you think the XGP will be able to do the same thing?...
Quite a few have been reported to not run at 266mhz. I think just about all can do 250mhz though.QuasaR posted on Apr 4 2006 at 12:56 PM said:...and by the way, to now no GP2X hasn't reported not to run with 266Mhz with the first core (or the other way round: every GP2X seems to be overclockable to 266Mhz atm)
2 processors running at 200mhz+ are just 2 processors running at 200mhz+, and can't be compared to one processor running at some speed.NoidZ posted on Apr 4 2006 at 01:53 PM said:Don't know, but since only the first processor of the GP2X seems to be used (that's what the MAME readme says) (and that can be overclocked to 300mHz) then with both processors could be overclocked together upto 600 mHz!!! but that doesn't seem to work that well for now.
But is 500mHz (with both the processors) possible, or am I saying something stupid now?
The maximum spec of a 920t is at least 533mhz (might even be faster models available these days). If the version used in the XGP will be 266mhz then it's almost certainly a higher spec version than used in the GP2X.Julius posted on Apr 4 2006 at 02:10 PM said:While the XGP CPU seems to run at the maximum specs. of a ARM920t, which will probably translate to a much worse overclock ability (probably only up to the same level the GP2X can reach -> approximatly between 266 and 300)
"the GP2X" doesn't use the second processor, but various software programs do. More will over time as people get comfortable with using it. It would have been much easier for development if we had 1 faster processor instead of 2 slower ones, but that's life.NoidZ posted on Apr 4 2006 at 09:58 AM said:But has the GP2X ever used the 2 processors in the time it was released untill now?
skeezix posted on Apr 4 2006 at 08:49 AM said:I've a good analogy for this..
2 CPUs is like two lane road; it doesn't amke the road any shorter or travel any faster, but it lets two cars go at once. Running 1 CPU at 200, or 2 at 200.. one application is still going at 200. If it manages to use both, it can get 2 at 200.. but its not 400 for one car. More to point, using both lanes at once takes some negotiation between cars which is an overhead...
jeff
I think it will be probably fair to compare it speedwise to a Dreamcast (-> 3D acc. plus a 200mhz MIPS cpu).