Manufacturer: Philips
Launches: 1983
Manufactured in Netherlands
CPU: Zilog Z80A @ 3.56MHz
Memory: 640 KB
Hard drive:
Operative System: MSX-DOS

Philips produced a few of its own computers in the late 1970s and early 1980s, but later adopted the MSX standard. This VG8020 was manufactured for Philips by Kyocera (in Japan).

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Manufacturer: Compaq
Launches: 1983
Manufactured in USA
CPU: Intel 8086
Memory: None
Hard drive:
Operative System: MS-DOS
Innovations: It was the first computer that was 100% compatible with the IBM PC and was not manufactured by IBM, and it was also the first portable PC considered an economic success.

This computer, about the size of a suitcase, will be the progenitor of modern portable computers, an honor shared with the Osborne 1 (which used CP/M) and the Hyperion (although it used MS-DOS as its operating system, it was not fully compatible).

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Manufacturer: Tandy
Launches: 1983
Manufactured in USA
CPU: Zilog Z80 @ 4MHz
Memory: 64 KB ~ 128 KB
Hard drive: None
Operative System: TRSDOS

The Model 4 is fully compatible with Model III and CP/M application software. A diskless Model 4 (with 16 KB of RAM and Level II BASIC) cost $999.

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Manufacturer: Tandy
Launches: 1983
Manufactured in USA
CPU: Zilog Z80 @ 4MHz
Memory: 64 KB ~ 128 KB
Support A: Diskette 5¼"
Support B: Diskette 5¼"
Hard drive: None
Operative System: TRSDOS

The Model 4P is a portable version introduced in September 1983 and discontinued in early 1985. It is functionally identical to the dual-drive desktop model but lacks the card-edge connector for two external floppy drives and the cassette tape interface. It has a slot for an internal modem card and could emulate a Model III.

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Manufacturer: Apple
Launches: 1983
Manufactured in USA
CPU: MOS Tecnology 6502 @ 2MHz
Memory: 256 KB
Hard drive: None
Operative System: Apple SOS

The Apple III didn't comply with FCC regulations, so a new model had to be released.
It came with 256 KB of RAM as standard and a redesigned keyboard similar to the Apple IIe.

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Manufacturer: Atari
Launches: 1983
CPU: MOS Technology 6502 @ 1.77MHz
Memory: 64 KB
Hard drive: None
Operative System: Atari DOS

The 800XL was the best-selling model in Atari's 8-bit line.

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Manufacturer: Atari
Launches: 1983
CPU: MOS Technology 6502 @ 1.77MHz
Memory: 16 KB
Hard drive: None
Operative System: Atari DOS

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Manufacturer: IBM
Launches: 1983
CPU: Intel 8088 @ 4.77MHz
Memory: 128 KB ~ 640 KB
Support: Diskette 5¼"
Hard drive:
Operative System: PC DOS

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Manufacturer: BASE
Launches: 1983
CPU: 6502A @ 1MHz
Memory: 64 KB ~ 128 KB
Hard drive:
Operative System: BASIC

This computer was a clone of the Apple II.

Models sold in Spain by Micompsa included an additional Spanish character set.

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Manufacturer: Kaypro
Launches: 1983
CPU: Zilog Z80
Memory: None
Support: Diskette 5¼"
Hard drive: 10 MB
Operative System: CP/M

The Kaypro 10 was one of the first computers to come with a hard drive as a standard component. It came with a 10-megabyte internal hard drive and a single DS/DD floppy disk drive.

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