Bitmain Antminer S15 (28Th) vs Bitcoin Space Heater S9 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S15 (28Th) | Specification | Bitcoin Space Heater S9 Edition |
|---|---|---|
| 28.0 TH/s | Taux de hachage | 12.0 TH/s |
| 1,596 W | Consommation électrique | 1,100 W |
| 57.0 J/TH | Efficiency | 91.7 J/TH |
| — | Niveau de bruit | 50 dB |
| 7.0 kg | Weight | 8.0 kg |
| 5,446 BTU/hr | BTU Output | 3,753 BTU/hr |
| 28/100 | Home Mining Score | 59/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S15 (28Th)
Bitcoin Space Heater S9 Edition
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Scored side by side, the Bitmain Antminer S15 (28Th) and Bitcoin Space Heater S9 Edition trade blows evenly. Neither pulls ahead decisively, so the deciding factor is which spec matters most to your setup — the panels above lay that out.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S15 (28Th) and Bitcoin Space Heater S9 Edition sit on each measurable spec:
- Bitmain Antminer S15 (28Th) 133% more hashrate (28.0 vs 12.0 TH/s)
- Bitcoin Space Heater S9 Edition 31% better power draw (1,596 vs 1,100 W)
- Bitmain Antminer S15 (28Th) 38% better efficacité (57.0 vs 91.7 J/TH)
- Bitmain Antminer S15 (28Th) 13% better weight (7.0 vs 8.0 kg)
- Bitmain Antminer S15 (28Th) 45% more heat output (5,446 vs 3,753 BTU/hr)
- Bitcoin Space Heater S9 Edition 111% more score de minage domestique (28.0 vs 59.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer S15 (28Th) | Metric | Bitcoin Space Heater S9 Edition |
|---|---|---|
| $5,599 | Upfront cost (MSRP) | $499 |
| -$3.03 | Daily net profit | -$2.30 |
| -$6,706 | Net after 1 year | -$1,338 |
| -$7,813 | Net after 2 years | -$2,177 |
| -$8,920 | Net after 3 years | -$3,015 |
| 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
Bitmain Antminer S15 (28Th)57.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S15 (28Th) or the Bitcoin Space Heater S9 Edition?
At the current BTC price and a $0.10/kWh electricity rate, the Bitcoin Space Heater S9 Edition is more profitable at $-2.30/day compared to $-3.03/day for the Bitmain Antminer S15 (28Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S15 (28Th) or the Bitcoin Space Heater S9 Edition better for noise-sensitive spaces?
The Bitcoin Space Heater S9 Edition is quieter at 50 dB compared to the Bitmain Antminer S15 (28Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S15 (28Th) or Bitcoin Space Heater S9 Edition?
The Bitcoin Space Heater S9 Edition scores 59/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S15 (28Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S15 (28Th) vs Bitcoin Space Heater S9 Edition: how much does the efficiency gap matter?
The Bitmain Antminer S15 (28Th) runs at 57.0 J/TH while the Bitcoin Space Heater S9 Edition runs at 91.7 J/TH — a difference of 34.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 38% better efficacité (57.0 vs 91.7 J/TH).
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