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
| Mega Drive / Genesis | Steam Deck | |
|---|---|---|
| Cumulative units (estimated) | ≈ 28,540,000 | ≈ 4,943,746 |
| After 4y 8m on sale | – | ≈ 4.9M |
| Released | October 29, 1988 | February 25, 2022 |
| Time on the market | 7y 5m | 4y 8m |
| Average per day | ≈ 11K | ≈ 3K |
| Status | Discontinued | On sale |
More comparisons
Frequently asked questions
Which sold more, the Sega Mega Drive / Genesis or the Steam Deck?
As of October 31, 2026, the Sega Mega Drive / Genesis leads our tracked comparison: about 28.5 million units against 4.9 million for the Steam Deck, a gap of 23.6 million. Figures may mix reported shipments, customer sales and estimates.
How many Sega Mega Drive / Genesis and Steam Deck consoles have been sold?
Sega Mega Drive / Genesis: calculated from reported figures: 28.54 million units as of March 31, 1996 (Famitsu issue 392, the makers' shipment figures; sell-in (units shipped)). Steam Deck: our estimate: 4.9 million units as of May 27, 2026 (Estimate from Boiling Steam's weekly figures; measurement not specified).
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