Retro 8-Bit Computers

Specification Atari 400 VIC 20 ZX81 TI-99/4A ZX Spectrum Dragon 32 Commodore 64 Electron Oric-1 ZX Spectrum+ Sinclair QL ZX Spectrum 128
Photo Atari 400 VIC 20 ZX81 TI-99/4A ZX Spectrum Dragon 32 Commodore 64 Electron Oric-1 ZX Spectrum+ Sinclair QL ZX Spectrum 128
Manufacturer Atari Commodore Sinclair Texas Instruments Sinclair Dragon Commodore Acorn Tangerine Sinclair Sinclair Sinclair
Year 1979 1980 1981 1981 1982 1982 1982 1983 1983 1984 1984 1986
Memory RAM 16K 5K 1K 16K 16K or 48K 32K 64K 32K 16K or 48K 48K 128K 128K
Memory ROM 12K 20K 8K 26K 16K 16K 20K 32K 16K 16K 48K 32K
CPU 6502 @ 1.79MHz 6502 @ 1.108404MHz Z80 @ 3.25MHz TI TMS9900, 3MHz Z80A @ 3.5MHz 6809E @ 0.89MHz 6510 @ 0.98MHz 6502 @ 2MHz 6502A @ 1MHz Z80A @ 3.5MHz 68008 @ 7.5MHz Zilog Z80 A @ 3.5469MHz
CPU Type 8-bit 8-bit 8-bit 8-bit 8-bit 8-bit 8-bit 8-bit 8-bit 8-bit 16-bit 8-bit
Video Output RF Modulator RF Modulator RF Modulator RF Modulator, Composite Video RF Modulator Composite Video Composite Video RF modulator, composite video and RGB RF Modulator and RGB RF Modulator RF Modulator and RGB RGB
Display Resolution Text 24 lines x 40 characters 23 lines x 22 characters 24 lines x 32 characters 32 lines x 24 characters 24 lines x 32 characters 16 lines x 32 characters 25 lines x 40 characters 24 lines x 40 characters 28 lines x 40 characters 24 lines x 32 characters 256 lines x 256 characters 24 lines x 32 characters
Display Resolution Pixels 320 x 192 176 x 184 64 x 48 192 x 256 256 x 192 256 x 192 320 x 200 640 x 256 200 x 240 256 x 192 256 x 256 256 x 192
Dimensions 406 x 317 x 102 mm 403 x 204 x 72 mm 167 x 175 x 40 mm 380 x 250 x 60 mm 233 x 144 x 30 mm 380 x 325 x 97 mm 403 x 205 x 66 mm 160 x 340 x 65 mm 280 x 178 x 15 mm 319 x 149 x 38 mm 472 x 138 x 46 mm 320 x 150 x 45 mm
Weight 4.42 kg 1.8 kg 350 grams 2.15kg 552 grams 2.1 kg 350 grams 848 grams 1.4kg
Colours 128 16 2 16 8 8 16 16 16 8 8 8
Original Price £300 £299.99 £69.95 £299 £125 or £175 £175 £299.99 £199 £129 or £169 £179.95 £399 £179.95
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Retro 8-Bit Computer Collection from 1979 to 1986.

A short history of retro 8-bit computers spanning from 1979 with the Atari 400 through to 1986 and the ZX Spectrum 128.

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