Originally posted by: zephyrprime
You rate is way too slow. By your figuring, we had:
1998: 256MB
1993: 128MB
1988: 64MB
Computers did not have anywhere near 64MB of ram back in 1988.
I got my first computer in 1990 and it had 1MB of ram. So my own RAM growth rate has been a doubling every 1.3 years.
Doh! I'm really sorry, I had a bad day yesterday and misposted. Do a search, I've done these calculations over and over on this forum and it is QUADROUPLED every 5 years. I really appologize, and I should have copied an old post instead of trying to go from memory during a bad day.
This is what you see in typical computers on the store shelf (* means not in the 5 year increment):
Beginning 2003: 256 MB - exactly what many P4s come with (Including my 2.4 GHZ P4)
Beginning 1998: 64 MB - exactly what many PIIs came with (Including my 300 MHz PII)
Beginning 1993: 4 to 16 MB - there was a memory boom around this time, and things were quite varied so this is a bit of an exception to my quadroupled every 4 years rule of thumb (My 25 MHz 486 had 6 MB).
1988: 512 kB to 1 MB - (My 7 MHz Tandy had 640 kB)
1983: 128 kB was available on many computers (though this was much more popular in the beginning of 1984)
*1982: commodore 64 was released with 64 kB
*1981: Bill Gate's often misquoted "640 kB ought to be enough for anybody".
1978: 48 kB in the Apple II+
*1977: 4 kB in the Apple II and Commodore PET, 8 kB in the Tandy TRS-80
*1971: Intel's first microprocessor the 4004 used up to 5 kB (Anyone know what was typical?).
In the 1978-1983 five year period memory went up by 2.66 times.
In the 1983-1988 five year period memory went up by 4 - 8 times.
In the 1988-1993 five year period memory went up by 8 - 16 times.
In the 1993-1998 five year period memory went up by 4 - 8 times.
In the 1998-2003 five year period memory went up by 4 times.
So on average a quadroupling every 5 years is quite typical.