This page contains a summary of hardware specifications for obsolete home computers, games consoles, and PDAs.
Home computers
TRS-80 (model I)
| Release year | 1977 |
| CPU model | Zilog Z80 |
| CPU frequency | 1.774 MHz |
| RAM size | 4 kB |
| Screen type | Monochrome CRT (green/black) |
| Screen resolution | 64 x 16 characters |
| Palette size | 2 colours (fixed) |
Commodore 64 (NTSC)
| Release year | 1982 |
| CPU model | MOS 6510 |
| CPU frequency | 1.023 MHz |
| RAM size | 64 kB |
| Video resolution | 320 x 200 pixels |
| Palette size | 16 colours (fixed) |
ZX Spectrum
| Release year | 1982 |
| CPU model | Zilog Z80 |
| CPU frequency | 3.5 MHz |
| RAM size | 16 kB |
| Video resolution | 256 x 192 pixels |
| Palette size | 8 colours (fixed) |
Nintendo
Nintendo Entertainment System (NTSC)
| Release year | 1983 |
| CPU model | Ricoh 2A03 (similar to MOS 6502) |
| CPU frequency | 1.79 MHz |
| RAM size | 2 kB |
| Video resolution | 256 x 240 pixels |
Nintendo Gameboy (DMG-01)
| Release year | 1989 |
| CPU model | Sharp SM83 (similar to Zilog Z80) |
| CPU frequency | 4.194 MHz |
| RAM size | 2 kB |
| Screen resolution | 160 x 144 pixels |
| Palette size | 4 colours (fixed) |
See mgba-emu.github.io/gbdoc/ for in-depth hardware specifications.
Psion
Psion Organiser
“The world’s first practical pocket computer.” A PDA.
| Release year | 1984 |
| Case dimensions | 14 x 9 cm |
| RAM size (static) | 2kB |
| ROM size | 4kB |
Psion Organiser II
A PDA.
| Release year | 1986 |
| Memory (unsure if RAM or ROM) | 8-64 kB |
Psion MC 200
A laptop computer.
| Release year | 1989 |
| Case dimensions | 31.4 x 27.7 x 4.9 cm |
| Weight | 2.2 kg |
| CPU model | Intel 80C86 |
| CPU frequency | 7.68 MHz |
| RAM size | 128-256 kB |
| Screen type | LCD |
| Screen resolution | 640 x 200 pixels |
| Palette | 2 colours (clear, black) |
| Audio in | Microphone |
| Audio out | Internal speaker |
Psion MC 400
A laptop computer.
| Release year | 1989 |
| Case dimensions | 31.4 x 27.7 x 4.9 cm |
| Weight | 2.2 kg |
| CPU model | Intel 80C86 |
| CPU frequency | 7.68 MHz |
| RAM size | 640-1024 kB |
| ROM size | 256 kB |
| Screen type | LCD |
| Screen resolution | 640 x 400 pixels |
| Palette | 2 colours (clear, black) |
Psion MC 600
A laptop computer.
| Release year | 1989 |
| Case dimensions | 31.4 x 27.7 x 4.9 cm |
| Weight | 2.2 kg |
| RAM size | 768-1024 kB |
| ROM size | 256 kB |
| Persistant storage | 1 MB |
| Screen type | LCD |
| Screen resolution | 640 x 400 pixels |
| Palette | 2 colours (clear, black) |
Psion Series 3
A PDA.
| Release year | 1991 |
| Case dimensions | 16.5 x 8.5 x 2.2 cm |
| Weight | 0.265 kg |
| CPU model | NEC V30 |
| CPU frequency | 4.7 MHz |
| RAM size | 128/256 kB |
| Screen type | LCD |
| Screen dimensions | 92.4 x 34.4 mm |
| Pixel dimensions | 0.35 x 0.40 mm |
| Pixel pitch | 0.38 x 0.43 mm |
| Screen resolution | 240 x 80 pixels |
| Palette | 2 colours (clear, black) |
| Backlight | ✗ |
Psion Series 3a
A PDA.
| Release year | 1993 |
| Case dimensions | 16.5 x 8.5 x 2.2 cm |
| Weight | 0.265 kg |
| CPU model | NEC V30H |
| CPU frequency | 7.68 MHz |
| RAM size | 128/256 kB |
| Screen type | LCD |
| Screen dimensions | 124.8 x 41.5 mm |
| Pixel dimensions | 0.20 x 0.20 mm |
| Pixel pitch | 0.26 x 0.26 mm |
| Screen resolution | 480 x 160 pixels |
| Palette | 3 colours (clear, grey, black) |
| Backlight | ✗ |
Psion Series 3c
A PDA.
| Release year | 1996 |
| Case dimensions | 16.5 x 8.5 x 2.2 cm |
| Weight | 0.275 kg |
| CPU model | NEC V30H |
| CPU frequency | 7.68 MHz |
| RAM size | 1024/2048 kB |
| Screen type | LCD |
| Screen dimensions | 124.8 x 41.5 mm |
| Pixel dimensions | 0.20 x 0.20 mm |
| Pixel pitch | 0.26 x 0.26 mm |
| Screen resolution | 480 x 160 pixels |
| Palette | 3 colours (clear, grey, black) |
| Backlight | ✓ |
Psion Series 3mx
A PDA.
| Release year | 1998 |
| Case dimensions | 16.5 x 8.5 x 2.2 cm |
| Weight | 0.275 kg |
| CPU model | NEC V30MX |
| CPU frequency | 27.684 MHz |
| RAM size | 2048 kB |
| Screen type | LCD |
| Screen resolution | 480 x 160 pixels |
| Backlight | ✓ |
Psion HC 100
A handheld industrial computer.
| Release year | 1991 |
| Case dimensions | 20.0 x 8.0 x 3.5 cm |
| Weight | 0.395 kg |
| CPU frequency | 3.84 MHz |
| RAM (static) | 128 kB |
| Screen dimensions | 54.4 x 34.4 mm |
| Pixel dimensions | 0.31 x 0.40 mm |
| Pixel pitch | 0.34 x 0.43 mm |
| Screen resolution | 160 x 80 pixels |
| Palette | 2 colours (clear, black) |
| Backlight | ✓ |
Psion Workabout
A handheld industrial computer.
| Case dimensions | 18.9 x 9.2 x 3.5 cm |
| Weight | 0.325 kg |
| CPU model | V30H |
| CPU frequency | 7.68 MHz |
| RAM (static) | 256-1024 kB |
| ROM (masked) | 1024 kB |
| Persistant storage | 2 internal SSDs |
| Screen type | Reflective greyscale LCD |
| Screen dimensions | 62.4 x 30.0 mm |
| Pixel dimensions | 0.23 x 0.27 mm |
| Pixel pitch | 0.26 x 0.30 mm |
| Screen resolution | 240 x 100 pixels |
| Palette | 3 colours (clear, grey, black) |
| Backlight | ✓ |
| Audio out | Piezo buzzer |
Psion Workabout MX
A handheld industrial computer.
| Case dimensions | 18.9 x 9.2 x 3.5 cm |
| Weight | 0.325 kg |
| CPU model | V30MX |
| CPU frequency | 27.684 MHz |
| RAM (static) | 2048 kB |
| ROM (masked) | 2048 kB |
| Persistant storage | 2 internal SSDs |
| Screen type | Reflective greyscale LCD |
| Screen dimensions | 62.4 x 30.0 mm |
| Pixel dimensions | 0.23 x 0.27 mm |
| Pixel pitch | 0.26 x 0.30 mm |
| Screen resolution | 240 x 100 pixels |
| Palette | 3 colours (clear, grey, black) |
| Backlight | ✓ |
| Audio out | Piezo buzzer |