Bitmain Antminer S21 XP Hyd vs Canaan AvalonMiner 1066
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Hyd | Specification | Canaan AvalonMiner 1066 |
|---|---|---|
| 473.0 TH/s | Hashrate | 50.0 TH/s |
| 5,676 W | Power Consumption | 3,250 W |
| 12.0 J/TH | Efficiency | 65.0 J/TH |
| 50 dB | Noise Level | — |
| 12.3 kg | Weight | 11,400.0 kg |
| 19,367 BTU/hr | BTU Output | 11,089 BTU/hr |
| 44/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 XP Hyd
Canaan AvalonMiner 1066
Based on BTC price of $79,097 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21 XP Hyd edges it: 5 of 6 factors go its way (efficiency, hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 846% more hashrate (473.0 vs 50.0 TH/s). That said, the Canaan AvalonMiner 1066 isn't beaten everywhere — it still wins power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S21 XP Hyd and Canaan AvalonMiner 1066 sit on each measurable spec:
- Bitmain Antminer S21 XP Hyd 846% more hashrate (473.0 vs 50.0 TH/s)
- Canaan AvalonMiner 1066 43% better power draw (5,676 vs 3,250 W)
- Bitmain Antminer S21 XP Hyd 82% better efficiency (12.0 vs 65.0 J/TH)
- Bitmain Antminer S21 XP Hyd 100% better weight (12.3 vs 11,400.0 kg)
- Bitmain Antminer S21 XP Hyd 75% more heat output (19,367 vs 11,089 BTU/hr)
- Bitmain Antminer S21 XP Hyd 100% more home mining score (44.0 vs 22.0)
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 XP Hyd | Metric | Canaan AvalonMiner 1066 |
|---|---|---|
| $5,099 | Upfront cost (MSRP) | $1,255 |
| $3.59 | Daily net profit | -$5.98 |
| -$3,787 | Net after 1 year | -$3,438 |
| -$2,475 | Net after 2 years | -$5,620 |
| -$1,163 | Net after 3 years | -$7,803 |
| Takes ~3.9 years to pay back at current rates | 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
Bitmain Antminer S21 XP Hyd$9.57/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Hyd12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S21 XP Hyd vs Canaan AvalonMiner 1066: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.59/day compared to $-5.98/day for the Canaan AvalonMiner 1066. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 XP Hyd or Canaan AvalonMiner 1066?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Canaan AvalonMiner 1066 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21 XP Hyd vs Canaan AvalonMiner 1066: which fits a residential setup better?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 22/100 for the Canaan AvalonMiner 1066). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S21 XP Hyd vs Canaan AvalonMiner 1066: how much does the efficiency gap matter?
The Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH while the Canaan AvalonMiner 1066 runs at 65.0 J/TH — a difference of 53.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 82% better efficiency (12.0 vs 65.0 J/TH).