BBC B
CPU 6502A
Speed 2Mhz
Word length 8bit
ROM 32k
RAM 32k
Graphic Modes 5
Text Modes 8

Colours

8
Date 1981

 

BBC Master 128
CPU 65C108
Speed 2Mhz
Word length 8bit
ROM 128k
RAM 128k
Graphic Modes 5
Text Modes 8

Colours

8
Date 1984

 

Archimedes A310 - RISC OS 2
CPU Arm2
Speed 8mhz
Word length 32bit
ROM 512k
RAM 1Mb
Graphic Modes 21
Text Modes 22

Colours

4096
Date 1987

 

Archimedes A410/1 - RISC OS 2
CPU ARM2
Speed 8Mhz
Word length 32bit
ROM 512k
RAM 1Mb
Graphic Modes 21
Text Modes 22

Colours

4096
Date 1987

 

Archimedes A3000 - RISC OS 3.11
CPU ARM2
Speed 8Mhz
Word length 32bit
ROM 512k
RAM 1Mb
Graphic Modes 21
Text Modes 22

Colours

4096
Date 1987

 

Archimedes A5000 - RISC OS 3.11
CPU ARM3
Speed 24Mhz
Word length 32bit
ROM 2Mb
RAM 2-4Mb
Graphic Modes 21
Text Modes 22

Colours

4096
Date 1991

 

A4 Notebook - RISC OS 3.11
CPU ARM3
Speed 24Mhz
Word length 32bit
ROM 2MB
RAM 2-4MB
Graphic Modes 1
Text Modes

Colours

16 (greys)
Date 1991

 

RISC PC 600 - RISC OS 3.5
CPU ARM610
Speed 30Mhz
Word length 32bit
ROM 4MB
RAM 4MB
Graphic Modes 36
Text Modes

Colours

16m
Date 1994

 

RISC PC StrongArm - RISC OS 4
CPU StrongARM  
Speed 200Mhz
Word length 32bit
ROM 4MB
RAM 4MB
Graphic Modes Customise
Text Modes N/A

Colours

16m
Date 1996

 

Acorn Pocket Book
CPU  
Speed  
Word length  
ROM  
RAM  
Graphic Modes  
Text Modes  

Colours

 
Date  

 

Iyonix - RISC OS 5 (not really old but brings Acorn up to date)
CPU Xscale 80321
Speed 600Mhz
Word length 32Bit
ROM 4Mb
RAM 256-512Mb
Graphic Modes Customise
Text Modes N/A

Colours

16m
Date 2003