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RPi 4

Wed Feb 07, 2018 4:52 am

Is it confirmed that the Raspberry Pi 4 is coming next year w/ a 1.8 GHz processor and 2 GB of RAM?

W. H. Heydt
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Re: RPi 4

Wed Feb 07, 2018 5:26 am

No, no, and no.

The only thing known about the timing of the next Pi ("Pi4B" is as likely a name as any) is a remark made by Eben Upton during an interview around the time of the Pi3B launch. He said, "Don't expect the next Pi for two or three years." Note that that isn't a promise of specif timing. Indeed, it's much closer to saying "some day, but not soon".

The only thing that can be reasonably surmised is that the SoC for the next Pi will be a 28nm part instead of a 40nm part.

Anything else is unsupported speculation and/or wishful thinking. (Yeah...I'd like to see the next Pi, too, but my wishes do not influence the RPT. Patience is called for.)

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Re: RPi 4

Wed Feb 07, 2018 6:23 am

BCM2835 and BCM2837 made in 28nm?
Faster, lower power Zeros and 3's = Zero+ and Pi4?
Smaller die = cheaper chips?

Do the BCM2835/37 need to be redesigned for 28nm?
How does a die shrink work?
What is involved?

If the yield is similar then more cpu's per wafer = more Pi's.
28nm parts would/should mean Pi's can be overclocked compared to existing chips.
A few more years of life before BCM2838 needs to be made?

Broadcom has had access to 28nm process since 2012?

No idea how they do masks these days, still UV lithographic :shock:
TSMC the foundry? NEC Kyushu?
More than one foundry?
Which foundry's still do 40nm or still want to do 40nm?

RPF buys own foundry to keep supply chain filled :lol:

Die shrinks do seem to make sense for 2018 than new BCM2838.
More and faster Pi chips, everything else except maybe regulator stays the same.
28nm needs lower voltage? Zero's are overclocked by boosting voltage?

28nm parts could have been done by now, so 28th Feb 2018 could see that announcement.
Now we just speculate about clock speeds, 1.5GHz for BCM2835A, 2GHz for BCM2837A?

3 weeks to wait?
Can I place orders now :D
I'm dancing on Rainbows.
Raspberries are not Apples or Oranges

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Re: RPi 4

Wed Feb 07, 2018 6:29 am

As with all such speculation, see "Osborne Effect".
"L'enfer, c'est les autres"

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Re: RPi 4

Wed Feb 07, 2018 6:54 am

I'm satisfied with Pi 2 900Mhz 1G Ram.

Guess I'll hold on buying that brain eletronic wave sensor, maybe they have an on-board one with new Pi.

Holding breath and wait.

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Re: RPi 4

Wed Feb 07, 2018 8:57 am

awesomelydeluxe wrote:
Wed Feb 07, 2018 4:52 am
Is it confirmed that the Raspberry Pi 4 is coming next year w/ a 1.8 GHz processor and 2 GB of RAM?

As already stated, none of those assertions, individually or in combination, can be confirmed by the volunteer helpers who provide the majority of input to these forums.

And noone from the Raspberry Pi Foundation will comment in advance of the product announcement.

Can we stop now....

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