Antminer Slim Edition (S9) vs Bitcoin Space Heater L3 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer Slim Edition (S9) | Specification | Bitcoin Space Heater L3 Edition |
|---|---|---|
| 12.0 TH/s | Hashrate | 504.0 MH/s |
| 1,100 W | Power Consumption | 800 W |
| 91.7 J/TH | Efficiency | 1,587,301.6 J/TH |
| 65 dB | Noise Level | 50 dB |
| 3.5 kg | Weight | 10.0 kg |
| 3,753 BTU/hr | BTU Output | 2,730 BTU/hr |
| 52/100 | Home Mining Score | 58/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | Scrypt |
| D-Central | Manufacturer | D-Central |
Profitability Comparison
Antminer Slim Edition (S9)
Bitcoin Space Heater L3 Edition
Based on BTC price of $78,170 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer Slim Edition (S9), which leads on 3 of 6 weighted factors (efficiency, hashrate, price-performance). Its biggest concrete edge: 2380852% more hashrate (12.0 vs 0.0 TH/s). The Bitcoin Space Heater L3 Edition claws back ground on power consumption and home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer Slim Edition (S9) and Bitcoin Space Heater L3 Edition diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer Slim Edition (S9) 2380852% more hashrate (12.0 vs 0.0 TH/s)
- Bitcoin Space Heater L3 Edition 27% better power draw (1,100 vs 800 W)
- Antminer Slim Edition (S9) 100% better efficiency (91.7 vs 1,587,301.6 J/TH)
- Bitcoin Space Heater L3 Edition 23% better noise (65.0 vs 50.0 dB)
- Antminer Slim Edition (S9) 65% better weight (3.5 vs 10.0 kg)
- Antminer Slim Edition (S9) 38% more heat output (3,753 vs 2,730 BTU/hr)
- Bitcoin Space Heater L3 Edition 12% more home mining score (52.0 vs 58.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer Slim Edition (S9) | Metric | Bitcoin Space Heater L3 Edition |
|---|---|---|
| $350 | Upfront cost (MSRP) | $499 |
| -$2.21 | Daily net profit | -$1.92 |
| -$1,156 | Net after 1 year | -$1,200 |
| -$1,962 | Net after 2 years | -$1,901 |
| -$2,768 | Net after 3 years | -$2,601 |
| 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 L3 EditionScore: 58/100. 50 dB noise level.
Best for Efficiency
Antminer Slim Edition (S9)91.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer Slim Edition (S9) or the Bitcoin Space Heater L3 Edition?
At the current BTC price and a $0.10/kWh electricity rate, the Bitcoin Space Heater L3 Edition is more profitable at $-1.92/day compared to $-2.21/day for the Antminer Slim Edition (S9). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer Slim Edition (S9) or the Bitcoin Space Heater L3 Edition better for noise-sensitive spaces?
The Bitcoin Space Heater L3 Edition is quieter at 50 dB compared to the Antminer Slim Edition (S9) at 65 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer Slim Edition (S9) vs Bitcoin Space Heater L3 Edition: which fits a residential setup better?
The Bitcoin Space Heater L3 Edition scores 58/100 on our Home Mining Score (vs 52/100 for the Antminer Slim Edition (S9)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer Slim Edition (S9) and Bitcoin Space Heater L3 Edition on J/TH?
The Antminer Slim Edition (S9) runs at 91.7 J/TH while the Bitcoin Space Heater L3 Edition runs at 1,587,301.6 J/TH — a difference of 1,587,209.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (91.7 vs 1,587,301.6 J/TH).
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