Bitmain Antminer S9 (12.5Th) vs Bitcoin Space Heater S9 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | Bitcoin Space Heater S9 Edition |
|---|---|---|
| 12.5 TH/s | Taux de hachage | 12.0 TH/s |
| 1,225 W | Consommation électrique | 1,100 W |
| 98.0 J/TH | Efficiency | 91.7 J/TH |
| — | Niveau de bruit | 50 dB |
| 4,200.0 kg | Weight | 8.0 kg |
| 4,180 BTU/hr | BTU Output | 3,753 BTU/hr |
| 31/100 | Home Mining Score | 59/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
Bitcoin Space Heater S9 Edition
Based on BTC price of $78,071 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitcoin Space Heater S9 Edition edges it: 4 of 6 factors go its way (efficacité, consommation électrique, score de minage domestique, niveau sonore). Its biggest concrete edge: 10% better power draw (1,225 vs 1,100 W). That said, the Bitmain Antminer S9 (12.5Th) isn't beaten everywhere — it still wins hashrate and rapport qualité-prix. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (12.5Th) and Bitcoin Space Heater S9 Edition actually differ, with the gap quantified:
- Bitmain Antminer S9 (12.5Th) 4% more hashrate (12.5 vs 12.0 TH/s)
- Bitcoin Space Heater S9 Edition 10% better power draw (1,225 vs 1,100 W)
- Bitcoin Space Heater S9 Edition 6% better efficacité (98.0 vs 91.7 J/TH)
- Bitcoin Space Heater S9 Edition 100% better weight (4,200.0 vs 8.0 kg)
- Bitmain Antminer S9 (12.5Th) 11% more heat output (4,180 vs 3,753 BTU/hr)
- Bitcoin Space Heater S9 Edition 90% more score de minage domestique (31.0 vs 59.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S9 (12.5Th) | Metric | Bitcoin Space Heater S9 Edition |
|---|---|---|
| $65 | Upfront cost (MSRP) | $499 |
| -$2.49 | Daily net profit | -$2.21 |
| -$974 | Net after 1 year | -$1,305 |
| -$1,883 | Net after 2 years | -$2,111 |
| -$2,793 | Net after 3 years | -$2,918 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitcoin Space Heater S9 EditionScore: 59/100. 50 dB noise level.
Best for Efficiency
Bitcoin Space Heater S9 Edition91.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S9 (12.5Th) vs Bitcoin Space Heater S9 Edition: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitcoin Space Heater S9 Edition is more profitable at $-2.21/day compared to $-2.49/day for the Bitmain Antminer S9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (12.5Th) vs Bitcoin Space Heater S9 Edition: which runs at a lower noise level?
The Bitcoin Space Heater S9 Edition is quieter at 50 dB compared to the Bitmain Antminer S9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S9 (12.5Th) vs Bitcoin Space Heater S9 Edition: which fits a residential setup better?
The Bitcoin Space Heater S9 Edition scores 59/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (12.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S9 (12.5Th) vs Bitcoin Space Heater S9 Edition: how much does the efficiency gap matter?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the Bitcoin Space Heater S9 Edition runs at 91.7 J/TH — a difference of 6.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 6% better efficacité (98.0 vs 91.7 J/TH).
Compare Bitmain Antminer S9 (12.5Th) with...
Compare Bitcoin Space Heater S9 Edition with...
- Bitcoin Space Heater S9 Edition vs Antminer S9
- Bitcoin Space Heater S9 Edition vs Bitcoin Space Heater S19 Edition
- Bitcoin Space Heater S9 Edition vs Bitcoin Space Heater S17 Edition
- Bitcoin Space Heater S9 Edition vs Bitcoin Space Heater L3 Edition
- Bitcoin Space Heater S9 Edition vs Antminer Loki Edition (S9)
- Bitcoin Space Heater S9 Edition vs Antminer Pivotal Edition (S9)