Bitmain Antminer S3 vs Bitcoin Space Heater S17 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S3 | Specification | Bitcoin Space Heater S17 Edition |
|---|---|---|
| 478.0 GH/s | Hashrate | 50.0 TH/s |
| 366 W | Power Consumption | 2,000 W |
| 765.7 J/TH | Efficiency | 40.0 J/TH |
| — | Noise Level | 55 dB |
| 5,200.0 kg | Weight | 14.0 kg |
| 1,249 BTU/hr | BTU Output | 6,824 BTU/hr |
| 34/100 | Home Mining Score | 56/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S3
Bitcoin Space Heater S17 Edition
Based on BTC price of $79,090 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitcoin Space Heater S17 Edition edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). The standout gap is 10360% more hashrate (0.5 vs 50.0 TH/s) in the Bitcoin Space Heater S17 Edition's favour. The Bitmain Antminer S3 holds the edge in power consumption. 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 S3 and Bitcoin Space Heater S17 Edition actually differ, with the gap quantified:
- Bitcoin Space Heater S17 Edition 10360% more hashrate (0.5 vs 50.0 TH/s)
- Bitmain Antminer S3 82% better power draw (366 vs 2,000 W)
- Bitcoin Space Heater S17 Edition 95% better efficiency (765.7 vs 40.0 J/TH)
- Bitcoin Space Heater S17 Edition 100% better weight (5,200.0 vs 14.0 kg)
- Bitcoin Space Heater S17 Edition 446% more heat output (1,249 vs 6,824 BTU/hr)
- Bitcoin Space Heater S17 Edition 65% more home mining score (34.0 vs 56.0)
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 S3 | Metric | Bitcoin Space Heater S17 Edition |
|---|---|---|
| — | Upfront cost (MSRP) | $799 |
| -$0.86 | Daily net profit | -$2.98 |
| -$314 | Net after 1 year | -$1,887 |
| -$629 | Net after 2 years | -$2,975 |
| -$943 | Net after 3 years | -$4,062 |
| — | 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 S17 EditionScore: 56/100. 55 dB noise level.
Best for Efficiency
Bitcoin Space Heater S17 Edition40.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S3 or Bitcoin Space Heater S17 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 $-2.98/day for the Bitcoin Space Heater S17 Edition. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S3 vs Bitcoin Space Heater S17 Edition: which runs at a lower noise level?
The Bitcoin Space Heater S17 Edition is quieter at 55 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 S17 Edition?
The Bitcoin Space Heater S17 Edition scores 56/100 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.
How far apart are the Bitmain Antminer S3 and Bitcoin Space Heater S17 Edition on J/TH?
The Bitmain Antminer S3 runs at 765.7 J/TH while the Bitcoin Space Heater S17 Edition runs at 40.0 J/TH — a difference of 725.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (765.7 vs 40.0 J/TH).
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