Bitmain Antminer S21 (200Th) vs Canaan AvalonMiner 1047
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 (200Th) | Specification | Canaan AvalonMiner 1047 |
|---|---|---|
| 200.0 TH/s | Hashrate | 37.0 TH/s |
| 3,550 W | Power Consumption | 2,380 W |
| 17.8 J/TH | Efficiency | 64.3 J/TH |
| — | Noise Level | — |
| 14.2 kg | Weight | 7,600.0 kg |
| 12,113 BTU/hr | BTU Output | 8,121 BTU/hr |
| 16/100 | Home Mining Score | 26/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 (200Th)
Canaan AvalonMiner 1047
Based on BTC price of $79,022 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21 (200Th) edges it: 2 of 4 factors go its way (efficiency, hashrate). Where it pulls away hardest is 441% more hashrate (200.0 vs 37.0 TH/s). The Canaan AvalonMiner 1047 holds the edge in power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S21 (200Th) and Canaan AvalonMiner 1047 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21 (200Th) 441% more hashrate (200.0 vs 37.0 TH/s)
- Canaan AvalonMiner 1047 33% better power draw (3,550 vs 2,380 W)
- Bitmain Antminer S21 (200Th) 72% better efficiency (17.8 vs 64.3 J/TH)
- Bitmain Antminer S21 (200Th) 100% better weight (14.2 vs 7,600.0 kg)
- Bitmain Antminer S21 (200Th) 49% more heat output (12,113 vs 8,121 BTU/hr)
- Canaan AvalonMiner 1047 63% more home mining score (16.0 vs 26.0)
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 S21 (200Th) | Metric | Canaan AvalonMiner 1047 |
|---|---|---|
| $1,076 | Upfront cost (MSRP) | — |
| -$1.25 | Daily net profit | -$4.37 |
| -$1,531 | Net after 1 year | -$1,594 |
| -$1,986 | Net after 2 years | -$3,188 |
| -$2,441 | Net after 3 years | -$4,781 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Canaan AvalonMiner 1047Score: 26/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S21 (200Th)17.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 (200Th) or Canaan AvalonMiner 1047 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 (200Th) is more profitable at $-1.25/day compared to $-4.37/day for the Canaan AvalonMiner 1047. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S21 (200Th) vs Canaan AvalonMiner 1047: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer S21 (200Th) vs Canaan AvalonMiner 1047: which fits a residential setup better?
The Canaan AvalonMiner 1047 scores 26/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 (200Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S21 (200Th) vs Canaan AvalonMiner 1047: how much does the efficiency gap matter?
The Bitmain Antminer S21 (200Th) runs at 17.8 J/TH while the Canaan AvalonMiner 1047 runs at 64.3 J/TH — a difference of 46.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 72% better efficiency (17.8 vs 64.3 J/TH).