Bitmain Antminer S3 vs Bitcoin Space Heater S9 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S3 | Specification | Bitcoin Space Heater S9 Edition |
|---|---|---|
| 478.0 GH/s | Hashrate | 12.0 TH/s |
| 366 W | Power Consumption | 1,100 W |
| 765.7 J/TH | Efficiency | 91.7 J/TH |
| — | Noise Level | 50 dB |
| 5,200.0 kg | Weight | 8.0 kg |
| 1,249 BTU/hr | BTU Output | 3,753 BTU/hr |
| 34/100 | Home Mining Score | 59/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S3
Bitcoin Space Heater S9 Edition
Based on BTC price of $70,843 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitcoin Space Heater S9 Edition wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer S3 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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
Is the Bitmain Antminer S3 or Bitcoin Space Heater S9 Edition more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S3 is more profitable at $-0.86/day compared to $-2.27/day for the Bitcoin Space Heater S9 Edition. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S3 or Bitcoin Space Heater S9 Edition?
The Bitcoin Space Heater S9 Edition is quieter at 50 dB compared to the Bitmain Antminer S3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S3 or Bitcoin Space Heater S9 Edition?
The Bitcoin Space Heater S9 Edition scores 59/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer S3). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitmain Antminer S3 and Bitcoin Space Heater S9 Edition?
The Bitmain Antminer S3 runs at 765.7 J/TH while the Bitcoin Space Heater S9 Edition runs at 91.7 J/TH — a difference of 674.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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