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300MHz Intel PXA255 or Samsung 266 MHz processor

 
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homerw500
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Joined: Jul 01, 2004
Posts: 22

PostPosted: Mon Nov 15, 2004 7:17 pm    Post subject: 300MHz Intel PXA255 or Samsung 266 MHz processor Reply with quote

Please can any one tell me which is the best processor out of the Intel PXA255 300MHz or Samsung 266 MHz for a pda and gps setup is one faster than the other or are they about the same.

many thanks
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lbendlin
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Joined: 02/11/2002 22:41:59
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Location: Massachusetts, USA

PostPosted: Wed Nov 17, 2004 9:33 am    Post subject: Reply with quote

What operating system?
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kiwiruss
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Joined: Nov 11, 2004
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PostPosted: Fri Dec 17, 2004 9:54 pm    Post subject: xcale vs ARM Reply with quote

The Samsungs an ARM processor and the intel is an xscale processor.

Thier speeds probably about the same, but what systems are they in ?
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Pocketgps
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Joined: Nov 16, 2004
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Location: Midlands, UK

PostPosted: Sat Dec 18, 2004 3:02 am    Post subject: Reply with quote

The Intel is ARM compliant as well as the Samsung.

http://www.intel.com/design/pca/prodbref/252780.htm

and is produced in 200, 300 & 400Mhz versions.

Regards,

PocketGps
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lbendlin
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PostPosted: Sat Dec 18, 2004 3:35 am    Post subject: Reply with quote

The original question was which one is better - and without knowing what operating sytem he wants to use there is no easy answer ( a 266MHz ARM running 2003 can easily outperform a 300 MHz XScale running 2002 )
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DavidW
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Joined: 17/05/2003 02:26:21
Posts: 3747
Location: Bedfordshire, UK

PostPosted: Sat Dec 18, 2004 4:57 pm    Post subject: Reply with quote

The XScale is not only ARM compliant - it is an ARM core (from memory ARM v.5T or v.5TE instruction set). However, some things are arranged differently on the XScale to many ARM processors, which is why certain performance critical code such as MPEG players is often available in an XScale specific version.

If druck is reading, he'll probably have even more details to hand than I do.


As an aside, the SiRFstar IIe/LP chipset at the heart of many of our GPS receivers uses an ARM processor core.


As Lutz says, 2003 tends to run rather faster on the same hardware than 2002 does - it's based on the rather better Windows CE 4.20 (Pocket PC 2002 is based on Windows CE 3.00).

Overall, you're unlikely to see much difference in performance between the two processors. It depends on the rest of the machine as to which is a good option.



David
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Gazjen
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Joined: May 21, 2004
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PostPosted: Sat Jan 01, 2005 3:48 am    Post subject: Reply with quote

Well my old medion ppc 250 (Samsung) ran things a lot better than my new medion 9500 does (intel) so If I had the choice it would be the samsung
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