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The Atari 800XL is a 1983 Atari 8-bit home computer and successor to the Atari 800. It made 64 KiB of RAM standard and included Atari BASIC in the computer, while the Atari 800 had several memory configurations and required a separate BASIC cartridge. The older 800 also has four controller ports and an internal speaker; the 800XL has two controller ports and a newer system design.
At a glance: Atari 800XL vs. Atari 800
| Feature | Atari 800 | Atari 800XL |
|---|---|---|
| Role and generation | Original 400/800 design generation | XL-generation successor, introduced in 1983 |
| Standard memory | Varied by configuration: 8 KiB, 16 KiB or 48 KiB | 64 KiB RAM |
| BASIC | Separate BASIC cartridge | Built-in Atari BASIC |
| Controller ports | Four | Two |
| Internal speaker | Yes | The cited model reference does not list one |
| System design | Plug-in internal CPU board and memory modules | Newer XL system design and operating system |
Specifications and configurations are documented in the Atari 800 FAQ, Atari 800XL FAQ and Atari 8-bit hardware overview.
What is the Atari 800XL?
The 800XL is part of Atari’s 8-bit computer family, a successor to the earlier Atari 800. Atarimania says it was introduced in June 1983, shipped in small quantities in the United States late that year, and reached wider markets in larger quantities in late winter or early spring 1984. It retained the earlier platform’s broad compatibility while adopting the XL system design.
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The 800XL has 64 KiB of RAM, a 14 KiB operating-system ROM and an 8 KiB BASIC ROM, according to the 800XL FAQ. Regional and revision differences exist; the reference lists NTSC, PAL and SECAM configurations, so video details and ROM revisions are not identical across every unit.
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How the memory and BASIC differences affect use
Memory varied on the Atari 800
The original Atari 800 was sold with 8 KiB, 16 KiB or 48 KiB of RAM depending on its production period and configuration. Its memory used plug-in modules, so “an Atari 800” does not identify a single memory capacity. By contrast, 64 KiB was standard in the 800XL.
BASIC was a cartridge on the 800
The Atari 800 used a CX801 10 KiB ROM personality module and shipped with BASIC separately as a cartridge. The 800XL has Atari BASIC in its ROM, so BASIC did not require that cartridge. The distinction matters if you want to start programming without finding or inserting a separate cartridge.
Physical and hardware differences
The Atari 800 provides four controller ports and an internal speaker. The 800XL has two controller ports, consistent with the XL/XE family design described in Atarimania’s hardware overview. If a setup depends on connecting more than two controllers directly, this is a practical distinction.
The 800’s internal CPU board and plug-in memory modules reflect its earlier design. The XL is a newer system design with a different operating system and ROM arrangement. The supplied model references establish these design differences but do not provide a complete component-by-component comparison.
Are Atari 800 and 800XL software and accessories compatible?
The 800XL was intended to maintain compatibility with the Atari 800, and both machines belong to the Atari 8-bit family. That is a useful starting point, not a guarantee that every program or accessory works unchanged. Some software makes assumptions about the operating system, and regional or model revisions can matter. The available references do not provide an exhaustive title-by-title compatibility list, so check a specific program or peripheral against its documented requirements before relying on it.
Which model should you choose?
- Choose the 800XL if you want 64 KiB RAM as standard and BASIC built in, or if two controller ports are enough for your setup.
- Consider the Atari 800 if you specifically need its four controller ports, internal speaker or earlier design. Check the memory configuration of the individual machine because it varied.
- For either vintage computer, confirm the particular unit’s regional video standard, revision, included accessories and compatibility with the software you plan to use.
These differences identify trade-offs; they do not establish that one model is universally better.
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- Officially licensed Atari titles. Titles include Asteroids, Centipede, Millipede, Breakout, Missile Command, Crystal Castles and many more. Game save options.
- Packed with over 200 built-in Atari games + bonus titles. Pac-Man & Galaga not included. Full Game list listed below.
- Includes Atari console, games instructions, 2 wireless joysticks, USB power cable, HDMI cable, and user manual. System connects directly to TV.
- Includes two 2.4 GHz wireless joysticks, inspired by the original Atari joysticks, include paddles for paddle games like Breakout, Warlords and many more.
- User Guide Languages: English, French, Spanish, Italian, Portuguese, German, Dutch, Japanese and Arabic. Dynamic RGB LED lights.
The modern 800XL recreation is a separate product
Atari currently lists a modern recreation under the name “THE 800XL.” Atari describes it as having 25 built-in games, a full-size mechanical keyboard, a working cartridge slot, HDMI output and built-in Atari BASIC. The product page lists a planned price of $219.99, says pre-orders are open, and gives planned shipping as late April 2027; those details can change. These features and dates apply to the recreation, not to the original 1983 computer. See Atari’s official 800XL recreation page.
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