The race from launch day
Cumulative units by months since each console's own launch. Figures between reports are modelled; where reports are years apart, the line is a rough approximation, not observed annual sales.
Side by side
| Atari 2600 | Mega Drive / Genesis | |
|---|---|---|
| Cumulative units (estimated) | ≈ 27,640,000 | ≈ 28,540,000 |
| After 7y 5m on sale | – | ≈ 28.5M |
| Released | September 11, 1977 | October 29, 1988 |
| Time on the market | 14y 3m | 7y 5m |
| Average per day | ≈ 5K | ≈ 11K |
| Status | Discontinued | Discontinued |
More comparisons
Frequently asked questions
Which sold more, the Atari 2600 or the Sega Mega Drive / Genesis?
As of October 31, 2026, the Sega Mega Drive / Genesis leads our tracked comparison: about 28.5 million units against 27.6 million for the Atari 2600, a gap of 900,000. Figures may mix reported shipments, customer sales and estimates.
How many Atari 2600 and Sega Mega Drive / Genesis consoles have been sold?
Atari 2600: source estimate: 27.64 million units as of January 1, 1992 (Guinness World Records; measurement not specified). Sega Mega Drive / Genesis: calculated from reported figures: 28.54 million units as of March 31, 1996 (Famitsu issue 392, forum transcription; sell-in (units shipped)).
Figures can measure shipments, customer sales or estimates; these are not directly interchangeable. Between reports our model projects an estimate, not observed transactions. The changing digits show the model's output, not its accuracy. Its inputs and assumptions are corrected when new figures are available. Sources and method