Bitcoin mining could mathematically approach 1 J/TH by 2033 if an annual 26.97% reduction in energy per terahash were sustained. The hypothesis compares BITMAIN’s 8.9 J/TH S23 XP Hyd. whole-miner specification with the 6.5 J/TH midpoint of Bitdeer’s SEAL04 chip-testing range. It is a theoretical comparison, not an observed year-over-year production trend.
The 26.97% Calculation
Bitdeer reported approximately 6–7 J/TH chip efficiency in its October 2025 operations report, issued November 10, under low-voltage, ultra-power-saving conditions. The SEAL04 roadmap places the chip generation in Q4 2025. BITMAIN announced its 8.9 J/TH S23 XP Hyd. in August 2026 for later delivery. These measurements therefore come from different manufacturers, dates and measurement boundaries.
The arithmetic is valid even though the timeline is not a real 12-month measurement: (8.9 − 6.5) ÷ 8.9 = 26.97% less energy per terahash. Its inverse, (8.9 ÷ 6.5) − 1 = 36.92%, means more hashes per joule. Calling either number an actual 2025–2026 whole-miner improvement would misrepresent the evidence.
How the 2033 Scenario Works
Applying the hypothetical annual reduction for seven years gives 8.9 × (6.5 ÷ 8.9)7 ≈ 0.986 J/TH in 2033. That closely matches the approximately 26.82% yearly reduction required to reach exactly 1 J/TH from an 8.9 baseline. By comparison, a constant 8.3% yearly reduction reaches the threshold around 2052.
Chip Testing Is Not Wall-Plug Performance
Chip-level success still must survive packaging, voltage conversion, controllers, thermal design and full-miner operation. Bitdeer’s April 2026 A4 Ultra Hydro announcement gave a 9.45 J/TH complete-miner rating, despite the earlier 6–7 J/TH silicon result. That gap is why the 2033 figure is a scenario, not a commercially validated forecast.
Key Takeaways
- 26.97%: hypothetical annual drop in J/TH from 8.9 to 6.5.
- 36.92%: equivalent increase in hashes per joule.
- 2033: modeled crossing, not a confirmed deployment target.
- Critical limitation: 6–7 J/TH is a prior chip test, not 2026 whole-miner performance.
The new model accompanies BitcoinVersus.Tech’s chronological chip-versus-miner chart, 1 J/TH architecture investigation, 2025 SEAL03 reporting, and 2023 Power Is Money research. Because only two whole-miner points are available here, fitting a sigmoidal historical curve would imply evidence that does not exist.
The essential next milestone is a repeatable sub-7 J/TH result at the wall, with published power, temperature, operating mode and production status. Until then, 2033 is a mathematically possible target, not a measured industry trajectory.
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