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 | Xbox Series X|S | |
|---|---|---|
| Cumulative units (estimated) | ≈ 28,540,000 | ≈ 35,665,115 |
| After 5y 11m on sale | – | ≈ 35.6M |
| Released | October 29, 1988 | November 10, 2020 |
| Time on the market | 7y 5m | 5y 11m |
| Average per day | ≈ 11K | ≈ 16K |
| Status | Discontinued | On sale |
More comparisons
Frequently asked questions
Which sold more, the Sega Mega Drive / Genesis or the Xbox Series X|S?
As of October 31, 2026, the Xbox Series X|S leads our tracked comparison: about 35.7 million units against 28.5 million for the Sega Mega Drive / Genesis, a gap of 7.1 million. Figures may mix reported shipments, customer sales and estimates.
How many Sega Mega Drive / Genesis and Xbox Series X|S 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)). Xbox Series X|S: source estimate: 35.52 million units as of October 3, 2026 (VGChartz estimate; sell-through (units sold to customers)).
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