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Poll
Question: What CPU do you want to use in the OTZ80 calc?
eZ80 20 MHZ - 8 (23.5%)
eZ80 50 MHZ - 7 (20.6%)
eZ80 50 MHZ, underclockable to 20 MHZ - 19 (55.9%)
Total Voters: 29

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Author Topic: VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz? -  (Read 4219 times) Bookmark and Share
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DJ Omnimaga
Retired Omnimaga founder (Site issues must be PM'ed to Netham45, Eeems, Shmibs, Deep Thought and AngelFish, not me.)
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Date Registered: 25 August, 2008, 07:00:21
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« Reply #15 on: 08 August, 2010, 00:09:16 »
0

I keep recommending 50.

The argument that it drains batteries is to my belief false, mostly because of all components in a PC the processor consumes the least. We could better take off the real killer, the screen. Just remove the backlight and add in the juice. I know a calc isn't a pC but just saying proccesor consume little to no power.

The argument that it costs more is also 'debunked' price difference is ~$5

So please vote for 50mhz! It adds greatly to resale value!
It depends of the country. Last time I checked, rechargeable batteries costs around $13 for 2 batteries here. The charger costs $23 and that's if you get the crappiest one. Now if you are a programmer, you need at least 8 batteries (assuming the calc uses 4 at once and you use both sets every day). That makes it $75 total. If for $1.68 you can get 12 cheap disposable batteries and each set of 4 lasts two weeks, after 5 years you spent $50.80 on batteries while with rechargeable ones, you would have spent $75. I gave 5 years as example because rechargeable batteries lasts around 5 years with heavy usage and almost everyone stop using their calcs after 5 years.

So for some people, that $5 would be more like $25. Note that I include taxes in my prices, though. I also live in Canada (Quebec)

Regardless, if the calc can be set to support two CPU speeds, it would be fine, I think. If somebody programs a game, for example, he should probably set it to run in 20 MHz mode for menus and if it's not a very intensive game, I don't think 50 MHz is necessary at all. For math operations, 20 is enough for almost everything except graphing .

Also I changed my vote to 50 MHz.
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Retired 83+ coder, Omnimaga/TIMGUL founder. Now doing power metal music (formerly did electronica)

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